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Life sciences
Branches of science that study living and fossil organisms.
Subtopics:
Anatomy and physiology (6 items)
Aquatic biology (44 items)
Biochemistry (5 items)
Botany (24 items)
Cell biology (1 items)
Developmental biology (1 items)
Ecology (112 items)
Ecotoxicology (54 items)
Genetics (4 items)
Marine biology (15 items)
Microbiology (11 items)
Morphology (biological) (3 items)
Mycology (2 items)
Parasitology (3 items)
Pathology (18 items)
Systematics and taxonomy (16 items)
Zoology (94 items)
Related topics:
Results 1 - 343 of 343 listed by similarity [list alphabetically]
PDF Beyond the Golden Gate--oceanography, geology, biology, and environmental issues in the Gulf of the Farallones [New Window]
A geologic and oceanographic study of the waters and Continental Shelf of Gulf of the Farallones adjacent to the San Francisco Bay region. The results of the study provide a scientific basis to evaluate and monitor human impact on the marine environment.
Contaminant Biology Program [New Window]
The Contaminant Biology Program investigates contaminant exposure and effects on fish, wildlife, and other organisms, their habitat and ecosystems. Links include description of projects, research centers, and news.
Ohio District's Microbiology Program [New Window]
Overview of microbiology projects related to water quality investigating bacteria, viral and protozoan pathogens and indicators in the environment with links to publications, analytical and field methods, laboratory, and current projects.
PDF Biological soil crusts: webs of life in the desert [New Window]
Fact sheet on the need to protect biological soil crusts in the desert. These crusts are most of the soil surface in deserts not covered by green plants and are inhabited by cyanobacterium (blue-green algae) and other organisms useful to the ecosystem.
Alaska Science Center - Biological Science Office [New Window]
Homepage for programs of the Biological Science Office at the Alaska Science Center in Anchorage on birds, mammals, ecosystems and habitats, fish and fisheries, and other biological subjects.
Available products of the Patuxent Wildlife Research Center [New Window]
Available publications and products, order form and product archives of the Patuxent Wildlife Research Center.
PDF Avian influenza (in Field manual of wildlife diseases) [New Window]
Chapter 22 from "Field manual of wildlife diseases" providing basic information about avian influenza viruses.
Biological Informatics Program [New Window]
The Biological Informatics Program develops and applies innovative information technologies and practices to the management of biological data, information, and knowledge resulting from research.
Biological Resources [New Window]
Homepage for the Biological Resources Discipline of the USGS providing links to scientific programs, organization, and special features.
Biological and ecotoxicological characteristics of terrestrial vertebrates residing in estuaries [New Window]
Biomonitoring of Environmental Status and Trends (BEST) program is designed to assess and monitor the effects of environmental contaminants on biological resources with links to detailed information on specific species.
Biological characterization [New Window]
Homepage for biological characterization activities with links to: Gap Analysis Program, Vegetation Mapping Programs, Land Use History of North America, and Integrated Taxonomic Information System.
Biological resource status and trends: Aquatic invasive organisms [New Window]
Information concerning status and trends of biological resources, focusing on aquatic invasive organisms
Biological resource status and trends: Contaminants in animals [New Window]
Information concerning status and trends of biological resources, focusing on contaminants in animals
Biological resource status and trends: Contaminants in plants [New Window]
Information concerning status and trends of biological resources, focusing on contaminants in plants
Biological soil crusts [New Window]
Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
Current research at the Patuxent Wildlife Research Center [New Window]
Search interface for current research activities at the Patuxent Wildlife Research Center, located in Maryland north of Washington DC
Ecological risk assessment of toxic substances in the South Florida ecosystem: wildlife effects and exposure assessment [New Window]
Project summaries and publications on wildlife contaminant exposures and prediction and monitoring of future restoration-driven exposures within the South Florida ecosystems.
Emerging diseases in wildlife [New Window]
News releases on adenovirus, West Nile Virus, foot and mouth disease, iridovirus, chronic wasting disease, and other emerging health issues in wildlife.
Field manual of wildlife diseases: general field procedures and diseases of birds [New Window]
Manual listing field procedures for bird specimen collecting, bacterial, fungal, parasitic, and viral diseases, biotoxins, chemical toxins, common and scientific names of birds, and glossary. Manual can be downloaded or viewed in PDF format.
Florida Integrated Science Center - biological science poster presentations [New Window]
Poster presentations for Center for Aquatic Resource Studies projects related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
Forum on Wildlife Telemetry - Innovations, Evaluations, and Research Needs [New Window]
Papers from Forum on Wildlife Telemetry, Snowmass Village, CO, 1997 about innovations in transmitting and receiving systems, attachment techniques, collection of data using telemetry, data processing and analysis. Available as *.zip file to download.
Geospatial technologies in biological informatics [New Window]
Homepage for geospatial technologies activities with links to Biological Resources Division Geospatial Technology programs and GIS laboratories, and support for GPS users.
History and natural history of the Patuxent Wildlife Research Center [New Window]
Links to pages on the history and natural history of Patuxent Wildlife Research Center.
Marine reserves and biological habitats: Monterey Bay, California [New Window]
Brief description of the research program to inventory the natural resources of Monterey Bay National Marine Sanctuary with links to cruises, and publications and products, including an internet map server, imagery, and geologic descriptions.
NBII: National Biological Information Infrastructure [New Window]
Portal of the National Biological Information Infrastructure (NBII) with links to diverse biological databases, information products, and analytical tools contributed by NBII cooperating organizations and agencies.
National Biological Information Infrastructure (NBII) Metadata Clearinghouse [New Window]
The NBII Metadata Clearinghouse contains standardized metadata-based descriptions to assist in locating and accessing useful biological data sets, information products, and applications software in a distributed network of cooperating data sources.
National Wildlife Health Center [New Window]
The National Wildlife Health Center (NWHC) is a biomedical laboratory assessing the impact of disease on wildlife and identifying the role of various pathogens in wildlife losses. Site has links to news, programs, publications and metadata.
National Wildlife Health Center (NWHC) West Nile Virus Project [New Window]
National Wildlife Health Center study of the West Nile Virus to learn the current geographic extent, to understand how the virus moves between birds, mosquitoes, and humans, and to predict future movements of the virus.
National Wildlife Heath Center (NHWC) publications and metadata [New Window]
Links to National Wildlife Health Center (NWHC) publications, metadata, manuals to download, and technical publications related to wildlife health and disease.
Northern Prairie Wildlife Research Center [New Window]
Homepage for the Northern Prairie Wildlife Research Center, Jamestown, ND, with links to announcements, science prgorams, biological resources finder, publications search option, contacts, and answers to common questions about the Center
Northern prairie biological resources [New Window]
Retrieval system to locate websites on publications and compilations on biological resources. Searches can be made by type, such as checklists, distribution, and regional overviews, by taxon, and by geography, including global, U.S., and Canada.
Patuxent Wildlife Research Center [New Window]
Core web page from America's first wildlife experiment station and a leading wildlife management refuge, the Patuxent Wildlife Research Center, Laurel, Maryland with links to projects, publications, library, contacts, and how to get there.
Patuxent Wildlife Research Center monitoring program [New Window]
Entry to biomonitoring projects studying the status and trends of the nation's environmental resources and programs studying amphibians and birds. Links to long-term programs, resources and references, and related links.
Patuxent Wildlife Research Center software archive [New Window]
Programs developed at Patuxent Research Center (PWRC) and elsewhere for the analysis of animal populations for wildlife biologists and managers with downloadable software, source, and users' manuals.
Patuxent Wildlife Research Center: Populations [New Window]
Descriptions of projects and resources on wildlife population ecology at the Patuxent Wildlife Research Center with links to research activities, long-term programs, and resources and references.
Patuxent's effects of ecological processes and human impacts on biological resources--invasive species [New Window]
List and brief abstracts on research projects on invasive species, the ecology of introduced species, and developing management strategies at Patuxent Wildlife Research Center.
Pautuxent Wildlife Research Center - Wetlands and other communities [New Window]
List and brief abstracts on projects at Patuxent Wildlife Research Center researching wetland ecology and ecosystem management in Eastern United States.
Scientists discover analog for extraterrestrial life in Idaho Hot Springs [New Window]
Report on a community of microscopic organisms, Archaea, found deep in an Idaho hot spring living on hydrogen and carbon dioxide that could possibly exist on other planets. Includes links to related studies, investigators, and microbiology.
Status and trends of biological resources [New Window]
Description of the Status and Trends program, which monitors the abundance, distribution, productivity, and health of the Nation's living resources, detecting and evaluating changes in these variables over time.
Status and trends of biological resources program [New Window]
This program integrates monitoring programs that track the abundance distribution, productivity, and health of the Nation's plants, animals, and ecosystems.
Status and trends of the Nation's biological resources [New Window]
This report is major publication on national biological resources that compiles and presents status and trends information for use by resource managers and the public. Presents detail information on ecosystems, plants, and animals.
Summary report of nonindigenous aquatic species in U.S. Fish and Wildlife Service Region 4 [New Window]
Report prepared for the U.S. Fish and Wildlife Service with descriptions of exotic aquatic species introduced in the southeast United States with information on populations, geographic distribution, and origins.
USGS Wildlife and Terrestrial Resources Program [New Window]
Homepage of the USGS Wildlife and Terrestrial Resources Program with links to projects, centers, and cooperative research units.
What's new at the Patuxent Wildlife Research Center (Maryland) [New Window]
Links to news articles on scientific activities at Patuxent Wildlife Research Center, located in Maryland, north of Washington DC.
26th Annual Eastern Fish Health Workshop [New Window]
Workshop with papers on diseases, treatment, disease resistance, and immunology of fish, shrimp, corals, and lobsters.
PDF A science strategy to support management decisions related to hypoxia in the northern Gulf Of Mexico and excess nutrients in the Mississippi River Basin [New Window]
The report describes a strategy for monitoring, modeling, and research activities to support management decisions to improve water-quality conditions in the Mississippi River Basin, reduce hypoxia in the northern Gulf of Mexico, and improve conditions for
Abandoned Mine Lands (AML) [New Window]
Homepage of the Abandoned Mine Lands (AML) initiative programs supporting actions to remedy contaminations associated with hard rock mining. Includes data from the Upper Animas River and Boulder River, bibliography of reports, and pictures.
Access USGS - San Francisco Bay and Delta [New Window]
Main page for accessing links for information and data on the San Francisco Bay estuary and its watershed with links to highlights, water, biology, wetlands, hazards, digital maps, geologic mapping, winds, bathymetry and overview of the Bay.
Acute toxicity database [New Window]
The following database summarizes the results from aquatic acute toxicity tests conducted by the USGS CERC located in Columbia, Missouri.
Agricultural chemicals [New Window]
Overview of the Toxic Substances Hydrology Program role in investigating the occurrence and fate of agricultural chemicals with links to investigations, headlines, on-line fact sheets, new publications, bibliographies and photo gallery.
PDF Algal toxins [New Window]
Chapter of Field Manual of Wildlife Diseases on algal toxins, red tide toxins, phycotoxins, dinoflagellates, cyanobacterium, and bird mortality due to algal toxicosis.
Amphibian Research and Monitoring Initiative [New Window]
Homepage for the Dept. of the Interior's Initiative coordinated by the USGS, for amphibian (frogs, toads, salamanders and newts) monitoring, research, and conservation. Links to National Atlas for Amphibian Distribution, photos, and interactive map serve
Amphibian declines and deformities [New Window]
Amphibian population declines and deformities due to various causes including land use change, viruses, and fungi. Links to USGS press releases, answers to FAQs (HTML and PDF versions) and photos with downloadable files.
Amphibian malformation and decline [New Window]
Frog malformation studies at the USGS National Wildlife Health Center in Madison, Wisconsin to document scope and to determine the causes of the observed malformations.
Amphibians & reptiles of the southeastern United States and the U.S. Virgin Islands [New Window]
Links to information on species of frogs, toads, and salamanders located in the southeastern United States and the U.S. Virgin Islands, with information on appearance, habitats, calls, and status, plus photos, glossary, and provisional data.
PDF Amphibians of Olympic National Park [New Window]
Fact sheet (PDF format) on amphibians in Olympic National Park and overview of the habitat, the decline in populations, and rare amphibians in the Pacific Northwest including the giant salamander and tailed frog.
PDF Analyzing land use change in urban environments [New Window]
Describes the USGS Urban Dynamics Research Program that studies landscape changes resulting from the growth of metropolitan regions over time.
Animal feeding operations, effects on hydrologic resources and the environment: proceedings [New Window]
Papers from a 1999 symposium on the possible effects on water resources and the environment of large agricultural feeding operations for pigs, chickens, and cattle, with links to other meetings, bibliography, and research studies. (Also as PDF files)
Apoidea -- Bees and Sphecid Wasps [New Window]
Guide to the identification, biology, and ecology of bees and sphecid wasps, mostly in eastern North America.
Aquatic Ecology Branch, Leetown Science Center [New Window]
Programs of the Aquatic Ecology Branch on landscape ecology and GIS, molecular genetics, environmental contaminants, stream ecology, and other aspects of aquatic ecology in eastern United States.
Arsenic Studies group [New Window]
Main page for the Arsenic Studies group with links to arsenic related announcements, conferences, bibliography, workshops, and symposiums.
Arsenic in ground water of the United States [New Window]
Arsenic is a naturally occurring element in rocks, soils, and the waters in contact with them. It is found in ground water as the result of minerals dissolving from weathered rocks and soils. This site links to data, maps, and more.
Arsenic in ground water of the United States [New Window]
Information on arsenic in United States ground water largely as a result of minerals dissolving from weathered rocks and soils. Includes links to publications, data, maps, and links to other sites with information on arsenic.
Assessing the impact of urban sprawl on soil resources in the United States using nighttime "city lights" satellite images and digital soils maps [New Window]
Paper from Land Use History of North America giving results of a study to estimate the extent of developed land in the United States and the impact of development on soil resources.
Assessing the impacts of climate variability and change on the Nation's resources [New Window]
Site for a USGS project under the U.S. Global Change Research Program for a national assessment of the impacts of climate variability and change on resources with links to impacts in Alaska, western U.S., public lands, and water resources.
Atlas of the spawning and nursery areas of Great Lakes fishes [New Window]
Atlas recording spawning and nursery areas of fish in the Great Lakes and associated rivers listed by area and then by species. A 14-volume atlas in PDF format. Published in 1982 by the U.S. Fish and Wildlife Service.
Avian Influenza: Information and on-going research at the USGS Alaska Science Center [New Window]
Maps and information about potential spread of avian influenza in migratory birds in Alaska. Includes descriptions and photos of the waterfowl that are being monitored.
Avian influenza news and disease information [New Window]
News regarding US efforts to monitor the spread of highly pathogenic avian influenza, with links to bulletins, FAQ list, field guides, and other resources.
Bat research in California [New Window]
Brief review of bat research in the San Francisco Bay area and southern California providing land managers with information on the occurrence and status of bat species with links to bat inventories for California and related material.
Bibliography of fire effects and related literature applicable to the ecosystems and species of Wisconsin [New Window]
The bibliography provides citations pertinent to the effects of fire and its prescribed use on the ecosystems and species of Wisconsin and the upper Midwest. Three separate subject indexes are provided: general, species, and geographic location.
Biocomplexity Thesaurus [New Window]
Browsable online access to the CSA/NBII Biocomplexity Thesaurus developed in 2002-2003 through a partnership between the NBII and CSA as a merger of five thesauri.
Biodiversity and land-use history of the Palouse bioregion: pre-European to present [New Window]
Study of the processes by which the conversion occurred of the Palouse bioregion from perennial native grass, shrub, and forest vegetation to agriculture and the interactions between human cultures and environment.
Biogeochemical and geohydrologic processes in a landfill-impacted alluvial aquifer, Norman, Oklahoma [New Window]
Discussion and links to research for the multi-disciplinary investigation on the Norman Landfill located on alluvium associated with the Canadian River in central Oklahoma.
Bird Banding Laboratory: the North American Bird Banding Program [New Window]
Bird banding is used to study the movement, survival and behavior of birds. The Bird Banding Laboratory Site has links to the value, procedure and history of bird banding, how to report bird bands (English & Spanish), and resources for birders.
Bird Conservation Node [New Window]
The Bird Conservation Node facilitates rapid access to North American bird population and habitat data maintained by a broad coalition of Federal, state, and non-governmental partners in conservation. Includes life history, range, and habitats.
Bird Point Count Database [New Window]
Perform custom searches for bird count and bird habitat data or enter your bird count and vegetation data.
Bird checklists of the United States [New Window]
Geographical access to multiple bird checklists developed by others that indicate the seasonal occurrence of birds in a given area. A Record Documentation Form to document supporting details of rare bird observations is also available.
PDF Born of fire: restoring sagebrush steppe [New Window]
USGS Forest and Rangeland Ecosystem Science Center: fact sheet in Adobe PDF about the studies to restore sagebrush steppe
Boston Harbor Studies: the fate of sediments and contaminants in Massachusetts Bay [New Window]
Boston Harbor/Massachusetts Bay Studies research project conducted as part of Boston Harbor cleanup to predict the fate of contaminants and sediments introduced to Massachusetts' coastal waters from sources that include Boston sewage outfall.
Boston Harbor ecosystems [New Window]
This web site is an outgrowth of an agreement between the USGS and the New England Aquarium, designed to summarize and make available results of scientific research. It will also present educational material of interest to wide audiences.
Botany [New Window]
Major NBII website with links to USGS and non-USGS websites on botanical science, paleobotany, plant functions, species, applied plant science, gardening, collections and organizations, botany for kids and teachers, and references.
Breeding Bird Atlas manager [New Window]
Data management system for Breeding Bird Atlas projects in Maryland and the District of Columbia and in Vermont.
PDF Bryophytes and lichens, small but indispensable forest dwellers [New Window]
Description of bryophytes (mosses, liverworts, and hornworts) and lichens (dual organisms of a fungus and an alga or a cyanobacterium) that are part of forest ecosystems in the Pacific Northwest with information on habitat and conservation.
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [New Window]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
Butterflies and moths of North America [New Window]
Information on species of butterflies in North America with photos, checklists, distribution maps, aids to identification, and references.
California Information Node (CAIN) [New Window]
California Information NODE (CAIN) of the National Biological Information Infrastructure collects data and information resources critical to the study of California's diverse ecosystems, with an initial emphasis on invasive species issues.
Center for Coastal & Watershed Studies - St. Petersburg/Tampa, Florida [New Window]
Homepage for the Florida Center for Coastal & Watershed Studies in St. Petersburg, Tampa, and the U.S. Virgin Islands with links to a newsletter Sound Waves, research projects by area and topic, publications, data sets, news, and contacts.
Central Region [New Window]
Entry to USGS Central Region programs with links to Biological Resources, Geology, National Mapping, Water Resources, Office of Central Region Services, emergency information, and records of a Rockies field trip, and clickable map to state programs.
Central Southwest/Gulf Coast Information Node (CSWGCIN) [New Window]
Central Southwest/Gulf Coast Information Node (CSWGCIN) of the National Biological Information Infrastructure (NBII) is a gateway to biological information on Arkansas, Louisiana, Oklahoma, Texas, and the Gulf of Mexico Coast.
Changing patterns in the number of species in North American floras [New Window]
A chapter of the publication: Land Use History of North America on general patterns of plant species diversity in North America that shows how these patterns have changed over time.
Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida [New Window]
Identification of epiphytes (plants obtaining moisture and nutrients from the air and rain and usually living on another plant) on seaweed in Tampa Bay, Florida. Abstract of symposium presentation with photos.
Chesapeake Bay activities [New Window]
Information on USGS studies of Chesapeake Bay, the nation's largest estuary, concerned with water quality, ecosystem history and change, vital habitat and biological resources, and land use studies.
Chronic Wasting Disease [New Window]
Information on National Wildlife Center research on Chronic Wasting Disease, a disease affecting the nervous system of elk, white-tailed deer and mule deer.
Classification of natural ponds and lakes in the glaciated prairie region [New Window]
Presents a wetland classification system that reflects seasonal, regional, and local variations in the environment.
Classification of wetlands and deepwater habitats of the United States [New Window]
Detailed publication on the classification system for an inventory of wetlands and deepwater habitats of the United States used to describe ecological taxa and arrange them in a system useful to resource managers.
Coastal Prairie Research Program, National Wetlands Research Center [New Window]
Coverage of the Coastal Prairie Ecology Research (CPER) Team, National Wetlands Research Center, providing scientific information to aid the conservation, management, and restoration of ecosystems in the greater coastal prairie region.
Coastal ecosystems [New Window]
Coastal ecosystem research at the Western Ecological Research Center with summaries of current projects and fact sheets on research studies (PDF format).
Coastal habitats in Puget Sound [New Window]
Declines in fish and wildlife populations, water-quality issues, and changes in coastal habitats have prompted this USGS study of the region's nearshore life and environment. Includes links to data from published reports.
Columbia Environmental Research Center (CERC) online databases [New Window]
Links to Columbia Environmental Research Center online databases with text, data, and metadata on toxicity, Missouri River, biomonitoring of environmental status and trends, contaminants, and sediments.
Columbia Environmental Research Center (CERC) publications [New Window]
Links to electronic publications of the Columbia Environmental Research Center (CERC) including journal articles and full-text publications accessible by publication series and subjects.
Columbia River USGS Interdisciplinary Science Explorer WebSite [New Window]
Web site for an Internet Map Service (IMS) serving base cartographic data, USGS data, science applications and real time modelling analyses for the Columbia River basin using geospatial analysis technology.
Construction and installation of dendrometer bands for periodic tree-growth measurements [New Window]
Use and function of dendrometer bands to make short-term repeated measurements of tree-stem growth. Photo illustrations of procedures and equipment.
Contaminant exposure and effects--terrestrial vertebrates (CEE-TV) database [New Window]
The information provided in the CEE-TV database profiles available geo-referenced information on contaminant exposure and effects in terrestrial vertebrates along the U. S. coasts. The database utilizes Microsoft's Access 2000 for Windows.
Conte Anadromous Fish Laboratory [New Window]
Describes the Conte Anadromous Fish Laboratory of the Leetown Science Center, which performs research directed towards restoration and protection of anadromous fish with lists of research projects and facilities.
Contributions of the Conservation Reserve Program to populations of breeding birds in North Dakota [New Window]
Assessment of the importance of the Conservation Reserve Program in preventing the decline of grassland breeding birds by preserving grassland habitats in North Dakota. Published as Wilson Bulletin v. 107 no. 4, pp. 709-718 (1995).
Crater Lake Data Clearinghouse [New Window]
The Crater Lake Data Clearinghouse website is a gateway to information and data on Crater Lake with links to data downloads of bathymetry, maps and imagery, a fly-by movie, photos, and information on geology, maps, history, and biota.
Data visualization tools used in studies of the upper Mississippi River and nearby areas [New Window]
Interactive maps and databases showing geospatial, biologic, and ecological aspects of the upper Mississippi River. Includes water quality, fish species, and vegetation distribution as well as geographic reference information.
Desert tortoise research at Western Ecological Research Center (WERC) [New Window]
Links to research studies, conservation information, and general information on desert tortoises at the Western Ecological Research Center in Sacramento, California.
Detecting Amphibian-Killing Fungus Helps Scientists Study Amphibian Declines [New Window]
Research findings and examples of application to real problems--a new method to track down amphibian disease in the environment.
Determinants of breeding distributions of ducks [New Window]
Article from Wildlife Monographs no. 100 (1988) on the relationships of wetland habitat dynamics and life history to the breeding distributions of the various species of ducks with information on research methods and references.
Diatoms: applications [New Window]
Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Digital representation of tree species range maps from "Atlas of United States trees" by Elbert L. Little, Jr. (and other publications) [New Window]
Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Discovery for Recovery: an International Pintail Recovery Initiative (Pinsat) [New Window]
Using satellite telemetry and field studies to track pintail ducks during spring migration north from California's Central Valley plus pintails in New Mexico and Texas. Includes links to migration maps, journal, duck calls, and field methods.
Dragonflies and damselflies (Odonata) of the United States [New Window]
Manual on dragonflies and damselflies (Odonata), with links to photo thumbnails, checklists, distribution maps, and other Odonata information.
Duckdata: a bibliographic data base of North American waterfowl (Anatidae) and their wetland habitat [New Window]
Comprehensive bibliography on the ecology, conservation, and management of North American waterfowl and their wetland habitats. Facilitates searching or downloading as *.zip files and use with ProCite utility.
Earthshots, satellite images of environmental change [New Window]
Satellite images of geographic areas of interest, cities, deserts, glaciers, geologic features, disaster areas, water bodies, and wildlife linked with articles, maps, and other images such as AVHRR, photographs, and special project images.
Earthworms of North Dakota [New Window]
Species maps, aggregate map, earthworm diagram, species photos, and bibliography of earthworm species found in North Dakota
Ecological studies in the National Water-Quality Assessment (NAWQA) Program [New Window]
Description of cooperative ecological research associated with the National Water-Quality Assessment program with links to current projects, download data, publications, and publications on biological sampling, habitat and laboratory protocols.
PDF Educational materials from the U.S. Geological Survey product list [New Window]
Access to major webpages of USGS educational publications in various formats and on USGS research in the earth and life sciences.
PDF Effects of wastewater on forested wetlands [New Window]
Study of the effects of the practice of cycling municipal nutrient-enriched wastewater from holding ponds through forested wetlands. Studies were in the Cypiere Perdue Swamp, Louisiana, and the Drummond Bog, Wisconsin.
Electronic Natural History Museum (ENHM): the world of natural history on your computer [New Window]
The Electronic Natural History Museum Project is a collaborative effort among government agencies, natural history collections and museums, and universities for providing access to data on specimens in natural history museum collections.
Endocrine Disruption [New Window]
Curent research about endocrine disruption, the ability of environmental contaminants to affect reproductive and developmental processes.
Endocrine Disruption Found in Fish Exposed to Municipal Wastewater [New Window]
Research findings and examples of application to real problems--cause and potential effects of wastewater on fish in streams is explored.
Environment [New Window]
Links to USGS activities in the environment theme area, including anthropogenic and natural contaminants, ecosystems, energy, human health, global change, etc. Also includes links to environment-related fact sheets.
Environmental Affairs Program [New Window]
The USGS reviews and prepares technical comments on environmental impact statements and establishes policies to implement the National Environmental Policy Act (NEPA). Site has links to environmental laws and regulations including NEPA.
Environmental mercury mapping, modeling, and analysis [New Window]
Online tools for mapping mercury data in the environment, with downloadable data from monitoring studies
Environmental studies of the World Trade Center area after the September 11, 2001 attack [New Window]
Report describing the results of an interdisciplinary environmental study of the World Trade Center (WTC) area after the attack on September 11, 2001. The investigations included imaging spectroscopy mapping and laboratory analysis.
Fact sheet: Coping with diseases at bird feeders [New Window]
Describes four communicable diseases (salmonellosis, trichomoniasis, aspergillosis, and avian pox) that can be passed from bird to bird at bird feeders and gives eight relatively easy steps that people can take to prevent or minimize disease.
Field guide to amphibian larvae and eggs of Minnesota, Wisconsin, and Iowa [New Window]
Field guide to identify amphibian species from the larvae and eggs. Available to download in Adobe PDF or UMESC format.
Field guide to the reptiles and amphibians of coastal Southern California [New Window]
Field guide to identify the reptiles and amphibians of coastal Southern California with glossary and map.
Field methods: capture and marking of pintails [New Window]
Method of tracking pintail ducks by capturing with rocket nets or swim-in traps and attaching telemetry devices that allow satellite tracking. Includes video of rocket nets.
Fire ecology research [New Window]
Study of wildland fire history and fire ecology such as plants in the Sierra Nevada forests, California shrublands, the Mojave, and Sonoran deserts to develop management techniques that will reduce hazards.
Fish Health Branch, Leetown Science Center [New Window]
The Fish Health Branch, Leetown Science Center, investigates fish health and disease issues associated with genetics, pathogens and environmental stress. With links to workshops, leaflets, and announcements relating for fish health.
Fish passage through dams in large temperate floodplain rivers: an annotated bibliography [New Window]
Report describes an electronic database of annotated citations relevant to fish passage through dams. Document may be searched using the search form or downloaded as an Endnote, Microsoft Word, or WordPerfect
Fisheries and Aquatic Resources [New Window]
The Fisheries and Aquatic Resources (FAR) node of the National Biological Information Infrastructure (NBII) provides access to fisheries and aquatic resources information via the Internet.
Fisheries projects, Alaska Science Center [New Window]
Homepage with links to Alaska research projects on fisheries by species: salmon, trout, Pacific halibut, forage fish, other fish species, and aquatic invertebrates.
Fisheries: Aquatic and endangered resources program [New Window]
This program is focused on the study of fishes, fisheries, aquatic invertebrates, and aquatic habitats, and evaluates factors that affect aquatic organism health, population fitness, biological diversity, and aquatic community and habitat function.
Florida Integrated Science Center - Gainesville [New Window]
Florida Integrated Science Center at Gainesville is the Center for Aquatic Resource Studies in Florida and southeastern United States. Site has links to projects on manatees, contaminants, invasive plants and animals, Everglades, and aquatic resources.
Forest and Rangeland Ecosystem Science Center [New Window]
Home page of the Forest and Rangeland Ecosystem Science Center, Corvallis, providing research and technical support for ecosystem management in the western U.S. Links to projects, field stations, fact sheets, partnerships, and publications.
Forest and Rangeland Ecosystem Science Center: Fact Sheets [New Window]
Access to Forest and Rangeland Ecosystem Science Center fact sheets on fish, fish diseases, aquatic resources, and other projects and activities.
Forest and rangeland birds of the United States: natural history and habitat use [New Window]
Catalog of bird species common to forest and rangeland habitats in the U.S. with natural histories including taxonomic information, range, and habitat descriptions to assist land managers in resource management. Text available as a *.zip file.
Fort Collins Science Center [New Window]
Homepage of the Fort Collins Science Center in Colorado with links to programs in ecological research programs, staff directory, products library, news and events, and research features and spotlights.
Fragile environments: San Francisco Bay wetlands [New Window]
Overview with links to studies on the effects of human activity on the San Francisco estuary with loss of historic fresh and saltwater tidal marshes reducing habitats, introducing contaminants in waste, and creating dredging problems.
Free-living and parasitic copepods (including Branchiurans) of the Laurentian Great Lakes [New Window]
Manual of taxonomic keys, location, and descriptive details of free-living and parasitic copepods in the Great Lakes. Viewing requires screen resolution of 1024 x 768 or above.
From microbes to mammals - invasive species [New Window]
Articles from the July/August issue of People, Land & Water, the employee news magazine of the Dept. of the Interior, on lost natural resources, loss of biodiversity, and damage to our biological heritage by invasive plants, animals, and microbes.
Galloway Township, New Jersey research site, Toxic Substances Hydrology Program [New Window]
This site provides information on investigations of hydrocarbons in the unsaturated zone and shallow ground water at a gasoline-spill site in Galloway Township, N.J., with links to research projects, mathematical models, and photos.
Galveston Bay Wetland Inventory Project [New Window]
Links to reports, partners, principal investigators, maps, aerial photos, and contacts for the Galveston Bay Wetland Inventory Project.
Genetics and molecular tools [New Window]
Describes the value of molecular biology genetic tools in enhancing the delineation of the genetic diversity and the effects of environmental degradation on living species. Links to research, which differentiated two species of sage-grouse.
Geologic studies of coral reef habitats: remote sensing applications to coral reef environments [New Window]
Use of remotely sensed images and spatial data to help map and study coral reef environments. Web page deals with the remote sensing work done for the Pacific Ocean component of the USGS coral reef project.
Giant Canada goose flocks in the United States [New Window]
Review of the size of breeding populations of Giant Canada geese by states in the Mississippi, Atlantic, Central, and Pacific flyways and the management problems caused by rapid increases of local breeding populations.
Global change research: a focus on mountain ecosystems [New Window]
Overview of interdisciplinary research studies in Glacier National Park to understand how this mountain wilderness responds to present climatic variability and other external stressors, such as air pollution, and links to detailed reports.
Great Lakes Science Center [New Window]
Site for Great Lakes Science Center, Ann Arbor, which provides information about biological resources in the Great Lakes Basin. Links to personnel, publications, data, library, facilities, research vessels, Great Lakes issues, and research.
Great Lakes Science Center research vessels [New Window]
Description of ships used for Great Lakes research by scientists at the Great Lakes Science Center.
Grizzly bear and black bear ecology [New Window]
Summaries of research projects on black bear and grizzly ecology and ecosystems supporting the populations and bibliography of related publications.
Gulf of Mexico Estuaries Integrated Science Strategy [New Window]
A white paper describing a plan for USGS research in Gulf of Mexico estuaries, developed in 2001 using Tampa Bay as an example with links to program strategy and design.
Gulf of Mexico Integrated Science [New Window]
Website of the Gulf of Mexico Integrated Science program to understand the framework and processes of the Gulf of Mexico using Tampa Bay as a pilot study. Links to publications, digital library, water chemistry maps, epiphytes, and field trips.
Historical interrelationships between population settlement and farmland in the conterminous United States, 1790 to 1992 [New Window]
Chapter from Land Use History of the North America on the results of a study to understand the interactions of population growth, urbanization, and agricultural activity over time.
Historical landcover changes in the Great Lakes region [New Window]
Results of a study that provides a regional vegetation history of the Great Lakes area during the last 150 years compared to the preceding 1,000 years.
History and ecology of mangroves in the Dry Tortugas [New Window]
Fact sheet on the historic and current conditions of mangroves of Dry Tortugas National Park, a cluster of islands and coral reefs west of Key West, Florida. Mangroves and nesting frigate bird colonies are at risk to destruction by hurricanes.
Human Health Database [New Window]
Central site providing links to USGS databases and homepages providing significant data and information on research related to human health.
Hurricane Katrina photographs August 30, 2005 [New Window]
Photographic survey of the impacts of Hurricane Katrina on the barrier islands, barrier shoreline, and the Mississippi River Delta along the Louisiana coastline. Primary focus is on the ecosystems such as fish, rookeries, and seagrass beds.
IABIN Pollinators Thematic Network [New Window]
An international effort to monitor, manage, and conserve wild pollinators that is currently in the planning stage.
Identifying predators and fates of grassland passerine nests using miniature video cameras [New Window]
Description of the use of a miniature video-camera system deployed at nests of passerine species in North Dakota to videotape predation of eggs or nestlings by animals such as mice, ground squirrels, deer, cowbirds and others.
PDF Illustrated field guide for assessing external and internal anomalies in fish [New Window]
Links to PDF version of the field guide.
Impounded river systems [New Window]
Article from Status and Trends of the Nation's Biological Resources on the serious impacts to river systems due to damming and flow regulation, and rehabilitation, monitoring, and research on such rivers.
Informatics [New Window]
Homepage for informatics activities with links to: Information Collection Management, Information Access Models and Analytical Tools, Technical Infrastructure, and Information Management programs.
Information management [New Window]
Links to information collection, discovery, products, and policies of the USGS. Also links to information management-related fact sheets.
Insects, arachnids, & annelids [New Window]
Website for links to USGS and non-USGS websites with information on insects, arachnids, and annelids suitable for students and arranged by grade levels.
Interagency Grizzly Bear Study Team (IGBST) [New Window]
Description of research program for immediate and long-term management of grizzly bears (Ursus arctos horribilis) inhabiting the Greater Yellowstone Ecosystem. Includes links to reports in PDF format and cooperating organizations.
Invasive Species Information Node [New Window]
The Invasive Species Information Node (ISIN) of the National Biological Information Infrastructure (NBII) creates a central repository for information pertaining to the identification, description, management, and control of invasive species.
Invasive species and emerging diseases program [New Window]
This program provides management-oriented research and delivers information needed to prevent, detect, control, and eradicate invasive species, and to restore impaired ecosystems.
Invasive species research [New Window]
Links to research projects that will improve the ability to detect, monitor, and predict the effects of invasive species, including exotic animals, on native ecosystems of the Pacific Southwest (California, Nevada, Utah, and Arizona).
Lake Clark sockeye salmon research projects [New Window]
Summary of research on salmon fish resources in the Lake Clark area in Alaska with links to scientific projects, Native Alaskan intern program, lake core analysis, radio telemetry, genetics, subsistence fishing, and research staff.
PDF Lake monitoring field manual [New Window]
Handbook on monitoring methods for lake management, including program design, sampling methods and protocol, biota and chemical sampling methods, laboratory methods, preservation of data and samples, glossary, and bibliography. (PDF file, 92 pp.)
Land use history of North America (LUHNA) [New Window]
Report prepared with NASA on the importance of a historical context for understanding ongoing changes in land cover and land use in North America and the effect on the environment. Site contains primarily contents of a book edited by T.D. Sisk.
Landscape changes in the southwestern United States: techniques, long-term data sets, and trends [New Window]
This study illustrates some approaches for reconstructing landscape change.
Leetown Science Center [New Window]
Homepage for the Leetown Science Center in West Virginia conducting research on aquatic and terrestrial organisms and their supporting ecosystems with links to directions, general description, library, projects, fact sheets, and facilities.
Leetown Science Center (LSC) Fact sheets [New Window]
Links to Leetown Science Center (LSC) fact sheets on fish, fish diseases, aquatic resources, and other projects and activities.
Leetown Science Center (LSC): view research information by principal investigator [New Window]
Links to Leetown Science Center (LSC) projects and activities listed by principal investigator.
Leetown Science Center current research projects [New Window]
Links to information and data on current research projects in fish health and aquatic ecology at the Center.
Limber pine communities [New Window]
Report on status and trends of limber pine communities with references.
Major fossil groups [New Window]
Discusses how fossils can be grouped and studied by size, habitat type, and phylogenetic groups. Shows how fossil classification groups are used to solve geologic problems at the USGS.
Major occupations and qualifications [New Window]
Information for students on major professions within the USGS with general descriptions of work and qualifications needed for biologists, cartographers, computer professionals, geologists and geophysicists, ecologists, and hydrologists.
Managing habitat for grassland birds: a guide for Wisconsin [New Window]
Guide to identification, selection, and management of grassland habitats in Wisconsin to conserve the populations of grassland birds. Includes glossary, references, bird lists, graphs, and maps.
Maps of distribution and abundance of selected species of birds on uncultivated native upland grasslands and shrubsteppe in the northern Great Plains [New Window]
Links to maps of breeding distributions of bird species on grasslands and shrublands in the northern Great Plains. Maps can also be downloaded from *.zip files in HTML format.
Maps of the distribution and occurrence of ground water quality constituents and early 1970's land use in New Jersey [New Window]
Links to maps of New Jersey showing nitrate levels, pesticides, Total Volatile Organic Compounds (VOCs), and radium in wells and land use of the 1970s.
Marine Realms Information Bank: topic search, geographic search [New Window]
Searching by geography and topics to locate scientific information about oceans, lakes, marine environments and coastal environments.
Marine nuisance species: colonial tunicates of the genus Didemnum (a sea squirt) [New Window]
Occurrence, photos, and characteristics of some species of the colonial tunicate genus Didemnum, nuisance species that reproduce rapidly and foul marine habitats (including shellfish aquacultures and fishing grounds), ship's hulls, and maritime structure
Mayflies of the United States [New Window]
Links to checklists and species maps showing the distribution of mayflies in the United States with links to other information websites on mayflies and reference list.
Mercury contamination of aquatic ecosystems [New Window]
Fact sheet on mercury bioaccumulation and cycling in the environment. Also available in PDF format.
Mercury in stream ecosystems - publications [New Window]
Publications dealing with the occurrence, methods of monitoring, and changes in the concentration of mercury within streams and nearby areas
Mercury in the environment [New Window]
Fact sheet on mercury and the environment, including toxic effects, risk to people and wildlife, sources of mercury, environments where methylmercury is a problem, and mercury contamination.
Midcontinent Agricultural Chemical Research Program [New Window]
Homepage for the research on occurrence, movement, flux, fate, and effects of agricultural chemicals, such as pesticides, in 25 states by the Midcontinent Agricultural Chemical Research Project (MACRP) with links to study results and publications.
PDF Miscellaneous fungal diseases [New Window]
Chapter of Field Manual of Wildlife Diseases on miscellaneous fungi with information on fungal skin and subcutaneous lesions or mycosis primarily in birds.
Missouri River InfoLink: a clearinghouse of Missouri River information [New Window]
Portal for Missouri River Infolinks, a clearinghouse to multiple links giving Missouri information, photo gallery, river weather forecast, projects and features, maps, meetings, history, and science research.
Monitoring grizzly bear populations using DNA [New Window]
Description of project monitoring the status of Greater Glacier National Park Area's grizzly bear and black bear populations using genetic techniques on DNA from bear hair or scats without handling bears, with photos and discussion of methods.
More than broken jars and roof tiles: the environmental legacy of a Roman mineral industry at Plasenzuela, Extremadura, Spain [New Window]
Adaptation of a poster presented at Metals in Antiquity Symposium, Harvard, September 10-13, 1997.
Moths of North America [New Window]
Homepage for information on moths of North America with life history and habitats, photos, checklists, distribution maps, submitting new county records, identification tips, common questions, and references.
Mountain Prairie Information Node (MPIN) [New Window]
The Mountain Prairie Information Node (MPIN) provides scientific information about natural resources on public lands in the Northern Rockies region, Greater Yellowstone ecosystem and Glacier National Park. Was the Northern Rockies Information Node.
NPElement: A database of lichen elemental concentrations in the U.S. national parks [New Window]
Database providing concentration of heavy metals, nutrients, and trace elements in 75 species of lichens sampled in 43 national park units in 24 states.
NPLichen: A database of lichens in the U.S. national parks [New Window]
Web interface for a database of documented occurrences of lichens in units of the U. S. National Park System. The records were obtained from the scientific literature, from National Park Service reports, and from selected herbaria.
National Water Quality Assessment urban studies portal [New Window]
Multiple studies addressing urban water-quality issues, to describe biological, chemical, and physical characteristics of urban water resources over time, and relate those characteristics to natural processes and human activities
National Water-Quality Assessment (NAWQA) Program [New Window]
Primary homepage for the National Water Quality Assessment (NAWQA) Program studying water quality in river, aquifer and coastal water basins throughout the nation. Links to reports, data, models, maps and national synthesis studies.
National Water-Quality Assessment (NAWQA) Program: protocols for the analysis of algal samples collected [New Window]
Summary of protocols describing procedures for laboratory analysis of algae samples collected by the U.S. Geological Survey's National Water Quality Assessment Program (NAWQA). Includes full document to be downloaded in PDF format.
National Water-Quality Assessment data warehouse [New Window]
Data warehouse for national water quality program with links to chemical, biological, and physical data for water, sediment and animal tissues, nutrient, pesticide, and VOC levels, streamflow, and ground water levels from national study units.
National Wetlands Research Center [New Window]
Homepage for the National Wetlands Research Center, Lafayette, Louisiana with links to general information, staff, issues and capabilities, library, publications and data.
National Wetlands Research Center (NWRC) publications and research products [New Window]
List of National Wetlands Research Center, Lafayette, Louisiana publications.
National analysis of trace elements in ground water, streams, stream and reservoir sediment, and fish and clam tissue across the United States [New Window]
Trace elements are inorganic chemicals occurring in small amounts in nature. This web site of the National Water Quality Assessment links to U.S. data, publications, news, and other sites on trace metals, metalloids and radionuclides in water.
National assessment of mercury in aquatic ecosystems [New Window]
Overview of three research programs including determining levels of mercury at selected sites in water, sediment and fish, mercury emissions into the atmosphere, and mercury cycling in the Everglades National Park, Florida.
National geologic studies of benthic habitats, northeastern United States : Stellwagen Bank National Marine Sanctuary Region off Boston, Massachusetts [New Window]
Geological research of the Stellwagen Bank National Marine Sanctuary sea floor are presented in the form of maps, posters, fact sheets, sonar images, and bottom photographs.
Natural Hazards - Wildfires [New Window]
Overview of fire-related hazards for the fire management community and fire effects on the landscape with links to capabilities and programs, directory, and link to other agencies involved in wildfire research and management.
Natural and human drivers of biodiversity in the Greater Yellowstone ecosystem [New Window]
This study reconstructs past interactions among ecosystem factors, native species, and human land use in the Greater Yellowstone ecosystem to provide a context for future management to sustain both ecological and human communities.
Nearshore Benthic Habitat Project [New Window]
Homepage for the Nearshore Benthic Habitats Project for mapping geophysical characterization of the coastal sea floor to identify benthic fish and shellfish habitat with links to research cruises and preliminary results.
New York State pesticide monitoring homepage [New Window]
Data on presence and distribution of pesticides in surface and ground water of New York State.
Nonindigenous Plants and Animals Program [New Window]
Brief descriptions of programs of research on aquatic nonindigenous plants and animals at the Florida Integrated Science Center with links to descriptions, videos, posters, and reports on various exotic plant and animals species.
Nonindigenous aquatic species alert system [New Window]
Reports indicating locations where non-indigenous aquatic organisms have been collected. Includes RSS feed you can subscribe to.
North American Amphibian Monitoring Program (NAAMP) [New Window]
The North American Amphibian Monitoring Program (NAAMP) is a long-term monitoring program designed to track the status and trends of frog and toad populations with links to data access, protocol, and how to volunteer as an observer.
North American Breeding Bird Survey (BBS) [New Window]
North American Breeding Bird Survey (BBS) is a cooperative program that monitors the status and trends of North American bird populations. Includes files of results, analyses, route collection maps and raw data.
North Dakota furtakers: educational manual [New Window]
Trapping education manual for the beginning or inexperienced trapper intended to provide information on North Dakota's predators and furbearing animals and the basics on how to trap them using good trapping skills and sound fur management.
Northern Appalachian Field Lab, Leetown Science Center [New Window]
Description of scientific focus and research at the Northern Appalachian Field Lab on mining land use impacts and mediation, aquatic ecology, effects of dam removal, and invasive plant and animal species.
Northern Divide Grizzly Bear Project [New Window]
Project to assess the grizzly bear population size, trend, and survival in the Northern Continental Divide Ecosystem (NCDE) in Montana to improve the long-term survival for this threatened species. With description, DNA identification means and photos.
Northern Rocky Mountain Science Center [New Window]
Northern Rocky Mountain Science Center (NRMSC) based at Bozeman, Montana conducts research to help natural resources management in the Northern Rocky Mountains with field stations at West Glacier and Missoula. Links to staff, programs, and partners.
Nutrient dynamics and biochemical cycling [New Window]
Briefly describes research efforts to better understand nutrient dynamics and biogeochemical cycling in ecosystems and how these properties are altered by large-scale human activities.
Online guide to the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico [New Window]
Field guide describing the geology and paleontology of the continental Cretaceous-Tertiary boundary in the Raton basin, Colorado and New Mexico.
PDF Operational guidelines for geological fieldwork in areas endemic for Coccidioidomycosis (Valley Fever) [New Window]
Report giving operational guidelines that will lower the risk of coccidioidomycosis (Valley fever) for individuals who work outdoors in areas where the disease is endemic.
Osage-Skiatook Petroleum Environmental Research Project, Lake Skiatook, Osage County, Oklahoma [New Window]
Study of the effects on the environment of hydrocarbons and produced water (brines) at Skiatook Lake, Osage Reservation, Oklahoma, with links to maps, photos, and data.
PDF Ospreys in Oregon and the Pacific Northwest [New Window]
Fact sheet in Adobe PDF about ospreys in Oregon and the Pacific Northwest
Our dynamic desert landscape [New Window]
Overview of studies of fragile and active landscape of the American Southwest deserts, including projects on geologic mapping, surface processes, remote sensing research, ecological processes, and earthquake hazard applications.
Pacific Basin Information Node (PBIN) [New Window]
Pacific Basin Information Node provides access to studies of biological resources associated with the Pacific Basin including tropical and subtropical islands and the surrounding marine environment.
Pacific Island Ecosystems Research Center [New Window]
Geographical isolation of the Hawaiian Islands has resulted in the evolution of endemic species unique in the world. Research at the Center aims at preventing the further extinction of these species. Links to projects, publications and other data.
Pacific Northwest Information Node [New Window]
Pacific Northwest Information Node is a regional information network of the National Biological Information Infrastructure intended to provide access to information and services relevant to forest resources in the Pacific Northwest.
Paleontological analyses [New Window]
Links to USGS capabilities in paleontological analyses of fossils such as mollusks, diatoms, palynomorphs, ostracodes, calcareous nannofossils, etc. Includes descriptive information, technique, equipment, and contacts for each fossil group.
Parking-lot sealcoat: A major source of PAHs in urban and suburban environments [New Window]
Explanation of chemical contaminants released into aquatic environments by popular sealcoating compounds used in parking lots, with frequently-asked questions, links, and contact information.
Pathways of metal transfer from mineralized sources to bioreceptors [New Window]
A synthesis of the Mineral Resources Program's past and future research directions in the western U.S. on metal contamination due to mineral deposits and mining and the environmental effects on living organisms. Chapters 1, 4, and 6 as PDF files.
Patuxent Bird Identification InfoCenter [New Window]
A presentation of bird photographs, songs, identification tips, distribution maps, and life history information for North American birds, and a forum for commentary and discussion on birds.
Patuxent Fact Sheets [New Window]
Access to Patuxent Wildlife Research Center fact sheets (PDFs) providing summaries of center studies on coastal ecosystems, birds, amphibians, taxonomy and other subjects and on center activities including partners and volunteer program.
Patuxent bird population studies [New Window]
Links to ornithology programs at Patuxent Wildlife Research Center, Laurel, MD, including large scale survey analysis of bird populations, research tools, datasets and analyses, bird identification, and seasonal bird lists.
Patuxent plant list and herbarium collection [New Window]
List of plant specimens and photo gallery of plants in the collection of the herbarium at the Patuxent Wildlife Research Center, a reference collection of plants occurring in the area lying between Baltimore, Maryland and Washington D.C.
Pesticides in Midwestern rivers, 1989-2002 [New Window]
Overview of aspects of research on pesticides and herbicides in Midwestern rivers with collection of data, results over a period of time, online publications, and bibliography.
Photographs of the Picher Mining District (Ottawa County, Oklahoma) [New Window]
Description and photos related to the Picher Mining District in Oklahoma, once a primary U.S. source of lead and zinc and now the largest superfund site in the U.S. with millions of cubic yards of mine tailings (locally known as "chat") remaining.
Picturing science: online science tours [New Window]
Photographs of landscapes, earth history, waterways, wildlife, changing worlds, and earth scientists. Requires Macromedia Shockwave Player plugin to view. Links to Popular products and List of USGS image collections.
Platte River Program, a USGS Place-Based Studies Program [New Window]
Site for the Platte River Program in Nebraska an area that is a critical staging area for migratory waterbirds of the Central Flyway. Includes links to color-infrared aerial photos, 1938 historic aerial photos, and Cottonwood Ranch research site.
Polar Bear research at the Alaska Science Center [New Window]
Ecological studies of polar bears including population dynamics, dependence on sea ice, and tracking methods.
Pollinators [New Window]
News and references about domesticated and wild bees, butterflies, moths, birds, bats and other animals that play a crucial role in the pollination of flowering plants.
Pollution and waste disposal [New Window]
Lists priority survey areas and objectives of these programs.
Post-fire burn assessment by remote sensing on Federal lands [New Window]
Remote sensing and field sampling techniques to support national assessment of burned areas
Potential effects of anthropogenic greenhouse gases on avian habitats and populations in the Northern Great Plains [New Window]
Report on effects of the increase of atmospheric carbon dioxide on plants and animals, especially birds, in the Great Plains including effects of carbon dioxide fertilization, ultraviolet radiation, climate change, and harmful effects on bird habitats.
Presettlement and contemporary vegetation patterns along two navigation reaches of the Upper Mississippi River [New Window]
Study to reconstruct presettlement vegetation patterns along two navigation reaches of the Upper Mississippi.
Priority ecosystem studies initiative [New Window]
Description of the priority ecosystems studies initiative with links to projects in Chesapeake Bay, Greater Yellowstone, Mojave Desert, Platte River, Salton Sea, San Francisco, and south Florida.
Protecting the Nation's coral reefs [New Window]
Report on problems in preserving coral reef ecosystems with links to information on the interagency U.S. Coral Reef Task Force, press releases, reports, and NOAA coral reef sites.
Radio-tracking amphibians: lessons from implant and external attachment procedures [New Window]
Paper from Forum on Wildlife Telemetry, Snowmass Village, CO, 1997, describes technique for implanting radio-transmitters for tracking amphibians such as frogs with telemetry.
Raptor Information System (RIS) [New Window]
The Raptor Information System (RIS) is a keyword catalog of over 32,000 references about the biology and management of birds of prey. Search by author, title, keyword, year of publication, or species.
Recoverability and vulnerability of desert ecosystems [New Window]
Research results (publications, photographs, maps) on ecological processes within the Mojave Desert Ecosystem to provide land managers with scientific understanding and tools needed to conserve and restore threatened desert landscapes.
PDF Reintroduction of whooping cranes: the ultra (light) in animal training experience [New Window]
Article on experiment to teach migration routes to birds using ultralight aircraft as a means to reintroduce a migratory flock of whooping cranes to the eastern United States.
PDF Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [New Window]
Resources for banders [New Window]
Links to bird banding manual, banding associations, equipment and suppliers, bibliography, band size lookup, recapture database, bander services, aging and sexing birds, longevity records, Canadian atlas of bird banding and other resources.
Reston Stable Isotope Laboratory [New Window]
The Reston Stable Isotope Laboratory conducts research on the use of isotope ratio measurements in studies of water resources and environmental quality.
Restoration Ecology for Southeast ecosystems [New Window]
Overview of research at the Restoration Ecology facility on sustainable restoration of South Florida's greater Everglades and coastal ecosystems. Includes links study of birds, snails, and alligators, ecological modeling, photos, and posters.
Restoration Technologies Branch, Leetown Science Center [New Window]
The Restoration Technologies Branch (RT) responds to client needs for bioengineering research/technical assistance in reducing pollution. Current projects are on hydropower generation, control of exotic species, and acid mine drainage.
River corridor habitat dynamics, Lower Missouri River [New Window]
Detailed description of The Lower Missouri River Corridor Habitat Dynamics Project studying river habitat in a heavily engineered river.
River inventory and monitoring [New Window]
Links to science programs on upper Midwest river inventory and monitoring with links to databases on macroinvertebrates, fisheries, vegetation, water quality, bathymetry, floodplain forest, wildlife, sediment, contaminants and nutrients.
PDF SAGEMAP: a web-based spatial dataset for sage grouse and sagebrush steppe management in the Intermountain West [New Window]
Links to fact sheet describing the database of spatial information on sage grouse and sagebrush habitats.
Sago pondweed (Potamogeton pectinatus L.): a literature review [New Window]
Literature review of sago pondweed, a submersed angiosperm that attracts waterfowl, but is also a nuisance plant that clogs irrigation systems. Includes classification, distribution, habitat, physiology, management, and economics.
Salvinia molesta, Salvinia weevil, Salvinia minima [New Window]
Life history and identification of Salvinia species, a floating, rootless tree fern and a noxious aquatic weed. Site includes posters, instructions on submitting sightings, how to subscribe to a listserv on the weed, and a bibliography.
San Francisco Bay change detection and mapping: use of Landsat Thematic Mapper Multitemporal images to detect and map changes in the San Francisco Bay area [New Window]
Remote sensing images of San Francisco Bay and Delta region.
Savanna restoration bibliography [New Window]
A searchable, living bibliography on the subject of savannas and their restoration.
Science challenge questions and answers [New Window]
Report giving a collection of 196 questions and answers on Earth and planetary sciences, such as volcanoes, earthquakes, hydrology, cartography, biology, and minerals for general audiences. Also information on obtaining an audio-CD copy.
Science education and USGS [New Window]
Information for students and teacher or for anyone curious about natural science. Includes project ideas, homework help, lesson plans, careers, and fun activities.
Scientists in action! [New Window]
Website with brief articles on careers in the natural sciences with examples of work of USGS scientists from responding to disasters, studying national parks, sampling the ocean floor, and protecting wildlife.
Sea otter research at Western Ecological Research Center (WERC) [New Window]
Webpage on research on sea otters (Euhydra lutris) in the nearshore environment of the eastern Pacific Ocean with information on status of otters on the coast of Alaska, Washington, and California and link to fact sheet in PDF format.
Social science in natural resource management [New Window]
Describes how social scientists and natural resource managers work together to develop cooperation and public help in solving complex natural resource issues. Links to the use of public surveys in a project for black-tailed prairie dog management.
South Florida Ecosystem History Project [New Window]
Project is designed to integrate studies from a number of researchers compiling data from terrestrial, marine, and freshwater ecosystems within south Florida. Links to publications, maps, posters, and data of studies.
South Florida Information Access (SOFIA) [New Window]
Portal of the South Florida Information Access (SOFIA) system providing multiple links to projects, products, information, and data for research, decision-making, and resource management of the South Florida ecosystem restoration effort.
South Florida Information Access (SOFIA) data exchange [New Window]
Provides links to the data, models and maps on the biology, ecology, geology, mapping, hydrology, and chemistry of research studies in southern Florida.
South Florida Information Access (SOFIA) projects by region [New Window]
Listing of South Florida Information Access (SOFIA) projects by region
South Florida Information Access (SOFIA) projects by topic [New Window]
Links to explore South Florida and the Everglades ecosystem projects arranged by topic and subtopic, including proposals, project summaries, scopes of work, work plans, publications, and contacts.
South Florida Information Access (SOFIA) publications [New Window]
A variety of publications including fact sheets, open file reports, circulars, and posters, are available on the South Florida Information Access (SOFIA) site.
South Florida Restoration Science Forum [New Window]
Discussions and posters about agriculture, ecology, hydrology, ecosystems, and resource management efforts in south Florida.
South Florida Restoration Science Forum: Invasive exotic species [New Window]
Posters on the distribution and control of nonindigenous species introduced into southern Florida.
South Florida Virtual Tour [New Window]
A pictorial overview for general audiences of key landscapes and ecosystems in South Florida; includes extensive references and links to past and current research activities relating to the South Florida ecosystem restoration effort.
Southeastern Amphibian Research and Monitoring Initiative [New Window]
Overview of the Southeastern Amphibian Research and Monitoring Initiative, annual report, field methods and protocols, statistical design and analysis, glossary, projects, and lists of frogs, toads and salamanders.
Southern Appalachian Field Branch, Leetown Science Center [New Window]
Cooperative research in the biological, geophysical, and social sciences with emphasis on upland ecosystems in the southern Appalachian Highlands.
Southern Appalachian Information Node (SAIN) [New Window]
Gateway to southern Appalachian biological information with links to virtual area tours, species, data and models, partners, air and water quality, maps, invasive species, wild boar control, species identification, and news items.
Southwest Information Node (SWIN) [New Window]
The Southwest Information Node of the National Biological Information Structure (NBII) provides links to research data, maps, and information on public lands including plant and animal natural resources, ecosystems, and invasive species.
Standardized National Vegetation Classification System [New Window]
Document on the National Vegetation Classification Standard with information on applications, background, development, characteristics, nomenclature standards, relationship to other classifications, and how to do vegetation mapping.
Stoneflies of the United States [New Window]
Links to checklists and species maps showing the distribution of stoneflies in the United States with links to other information websites on stoneflies and reference list.
Student employment in the U.S. Geological Survey [New Window]
The U.S. Geological Survey (USGS) offers diverse employment opportunities for students in biology, hydrology, computer science, cartography, geology, and other fields. Site provides links to student programs and how to apply.
PDF Studies and trends of selected inland lakes of the Great Lakes Cluster National Parks [New Window]
Report on the status of the biota and ecological factors of the inland lakes of the Great Lakes Cluster Parks: Indiana Dunes, Sleeping Bear Dunes,and Pictured Rocks National Lakeshores and Isle Royale and Voyageurs National Parks. (PDF file, 321 p.)
Studies of polluted sediment offshore Los Angeles [New Window]
Overview of studies of marine sediment on the continental shelf south of Los Angeles contaminated with DDT and PCBs from past sewage effluent discharges with links to research on Santa Monica Bay, Los Angeles Shelf and Palos Verdes Peninsula.
PDF Summary and analysis of the U.S. government bat banding program [New Window]
Analysis of the program with a detailed study of the best collection of data available from it. Includes recommendations for future studies of bats.
PDF Surveillance for asian H5N1 avian influenza in the United States [New Window]
General description of US government efforts to monitor the occurrence of highly pathogenic avian influenza in wild migratory birds.
Survival of adult female northern pintails in Sacramento Valley, California [New Window]
Report on the population of northern pintails between 1979 and the 1990s in Sacramento Valley, California, including methods of study including radio telemetry, causes of mortality, morphometrics, survival rates, and management implications.
Tadpoles of the United States and Canada: a tutorial and key [New Window]
Key and tutorial to identify species of tadpoles from North America with color photographs.
Tampa Bay Study [New Window]
Overview of interdisciplinary research on the Tampa Bay estuary of the Gulf of Mexico with links to digital library, interactive mapping, reports, posters, water chemistry maps, meetings and conferences, scientist directory, and field trips.
Tampa Bay estuary digital library [New Window]
Database entry page to search keywords and product type (document, map, data, metadata, photos, video, animation, aerial photo) for information on the Tampa Bay estuary and related research studies.
Terrestrial, freshwater, and marine ecosystems program [New Window]
Program studies focus on understanding the factors which control ecosystem structure, function, condition, and the provision of goods and services.
The Baltimore-Washington Regional Collaboratory Land-Use History Research Program [New Window]
A description of research activities of the Baltimore-Washington Regional Collaboratory urban growth in the Chesapeake region.
The South Florida environment-- a region under stress [New Window]
This report serves as an environmental review and framework for developing USGS programs in the south Florida ecosystem, especially the Everglades and its watershed, and stresses the critical role of water in natural and human environment.
The U.S. Geological Survey and the Chesapeake Bay - the role of science in environmental restoration [New Window]
Summary of a circular on USGS environmental research and Chesapeake Bay with links to full document. Includes discussion of the problems of the estuary, restoration efforts, water quality, and effects on ecosystem.
The Virtual Fish: Semipermeable Membrane Device (SPMD) basics [New Window]
Paper by Duane Chapman for the 6th International SPMD Workshop and Symposium on a semipermeable membrane device (SPMD) measures contaminants in water by mimicking the parts of fish that cause concentration of specific chemicals in fish tissues.
PDF The avian influenza H5N1 threat [New Window]
Describes highly pathogenic avian influenza and explains why this wildlife disease is of concern to health scientists and the public. Diagram shows potential pathways by which the disease could be transmitted to other animals, including humans.
The carbon cycle in lakes of the Upper Mississippi Basin [New Window]
Summary of part of the USGS interdivisional Mississippi Basin Carbon project that will study the changes in climate and the environment through carbon cycle changes recorded in lake sediments in the Upper Mississippi River Basin.
The challenges of capturing and tagging manatees along west coastal Florida [New Window]
Description of method of capturing and tagging manatees in western Florida for tracking by satellite telemetry. Presented at a forum on telemetry.
The whooping crane report [New Window]
Report on the captive breeding program at Patuxent Wildlife Research Center to help save endangered whooping cranes. Site links to natural history information on whooping cranes, why they are endangered, cool facts on cranes, and a photo gallery.
Tiger beetles of the United States [New Window]
Links to checklists and species maps showing the distribution of tiger beetles in the United States with links to photographs, other information websites on invertebrates, and reference list.
Tools for learning about birds [New Window]
Links to pictures, songs and identification of birds of the United States, Canada, and Central America plus seasonal bird maps and a quiz on birds.
Toxic Substances Hydrology Program [New Window]
Homepage for the Toxic Substances Hydrology Program, which provides scientific information on contaminated sites and on human and environmental health. Links to news, topical information, investigations, meetings, publications, and photos.
PDF Toxicity and bioavailability of metals in the Missouri River adjacent to a lead refinery [New Window]
Report (PDF format) on an evaluation of the potential environmental impacts of contaminated ground water from a metals refinery adjacent to the Missouri River in Omaha, Nebraska testing water and sediments for contaminants and toxicity.
Trichloroethylene (TCE) in fractured bedrock, Naval Air Warfare Center, Trenton, N.J. [New Window]
Research on contamination by trichloroethylene (TCE) in fractured rock at the Naval Air Warfare Center in Trenton, N.J. with links to site description, bibliography, online reports, and findings.
PDF Two decades of research at Crater Lake [New Window]
Research brief for resource managers on the ecology of Crater Lake.
U.S. - Mexico Border Environmental Health Initiative: interactive maps [New Window]
Geographic and scientific information focused on health issues in the area of the US-Mexico border
U.S. Geological Survey (USGS) [New Window]
Homepage for the U.S. Geological Survey, Department of the Interior, serving as portal to all USGS information with search options, USGS in the news, most frequently requested topics, and access to major categories of USGS information.
USGS activities in Nevada [New Window]
Homepage for USGS projects in Nevada with links to geography, biology, geology and water projects, news items, customers, Frequently Asked Questions (FAQs), education, recreation, data, studies, and publications on Nevada.
USGS activities in Texas [New Window]
Brief summaries of USGS projects in Texas including water quality monitoring, digital mapping, energy resources, U.S.-Mexico border mapping, fish and wildlife health, Kemp's Ridley sea turtle, and conditions affecting water quality.
USGS fact sheets [New Window]
Access and listing of popular USGS publications listed by themes: resources, hazards, environment, information management, and states, and also by scientific discipline.
USGS image collections [New Window]
Homepage to access a large number of photograph collections on many subjects including national parks, ecosystems, plants and animals, and geologic features.
USGS mine drainage activities [New Window]
Listing of USGS research and monitoring projects on mine drainage, in order to promote cooperation and collaboration among scientists working on problems related to mining and the environment.
USGS recreation site: your science gateway for safe and vital enjoyment of the outdoors [New Window]
Gateway to useful USGS websites for recreation in nature watching and exploring, boating, camping, climbing, fishing, hiking, biking, and hunting, with links to maps, real-time streamflow, geology, photos, and plant and animal information.
USGS-National Park Service (NPS) Vegetation Mapping Program [New Window]
The USGS-NPS Vegetation Mapping Program is a cooperative effort with the National Park Service (NPS) to classify, describe, and map vegetation communities in over 270 U.S. national park units with links to overview, standards, products, and applications.
Upper Midwest Environmental Science Center (UMESC) [New Window]
Homepage for Upper Midwest Environmental Science Center, LaCrosse, Wisconsin, with links to data library, geographical search, science programs, partnerships, long-term resource monitoring program, reports and publications, and education.
Use of remote sensing to study and monitor wetland restoration at the Sonoma Baylands in San Francisco Bay [New Window]
Digital satellite images, digitized aerial photographs, and ground-based digital camera photographs monitoring the changes in wetland restoration.
Use of remotely sensed image data to automatically map wind erosion vulnerability (eolian mapping) and rainfall mapping [New Window]
Links to remote sensing images monitoring wind erosion and rainfall in Arizona.
Using remote sensing to detect active dust storms and map areas vulnerable to eolian erosion [New Window]
Links to remote sensing images monitoring dust storms and wind erosion.
Vegetation sampling and classification of Great Smoky Mountains National Park (Cades Cove and Mount Le Conte quadrangles): final report [New Window]
Report of a pilot study to classify vegetation communities in parts of the Smoky Mountains National Park by sampling vegetation in selected areas with information on field methods and data analysis and lists of communities identified.
Volunteer for a changing world [New Window]
Volunteer opportunities with U.S. Geological Survey research programs.
Walrus research at the Alaska Science Center [New Window]
Review of current research on stock assessment of the Pacific walrus in the Chukchi and Bering Seas and interactions between walruses and their environment with links to walrus taxonomy, distribution, behavior, and relation to man
Waste disposal and contaminant migration in the arid Southwest: Amargosa Desert Research Site, Nevada [New Window]
Links to studies at the Amargosa Desert Research Site by the USGS Toxic Substances Hydrology Program studying the subsurface migration and fate of contaminants in arid environments. Links to news, remediation, photos, bibliography and techniques.
Water resources of Washington State - projects/studies [New Window]
List of links to USGS research and studies on the water resources of Washington, which can be searched by subject, basin and county.
Waterfowl identification in the Central Flyway [New Window]
Identification manual with colored photos of species of puddle ducks, diving ducks, geese, mergansers, swans, cranes, herons, egrets, pelicans and cormorants. Also includes information on ordering print copy and downloading as *.zip file.
West Nile Virus maps [New Window]
Map showing which states are positive for West Nile Virus. Clicking on state outline links to state West Nile Virus or public health website. Site also has links to other West Nile Virus maps.
West Nile virus [New Window]
Informational site provides links to data, news updates, information, and maps related to outbreaks of the West Nile virus and mosquito-borne encephalitis in the United States.
Western Ecological Research Center (WERC) [New Window]
Links to research at the field stations of the Western Ecological Research Center with direct links to web pages for wildlife videos, satellite telemetry, fire ecology, invasive species, herpetology field guide, and coastal ecosystems.
Western Ecological Research Center (WERC) - outreach [New Window]
Links to highlights, news releases, and fact sheets about Western Ecological Research Center (WERC) research and activities; brief summaries of published research; you can see and listen online as WERC scientists discuss their studies.
Western Ecological Research Center products [New Window]
Western Ecological Research Center (WERC) publications and products search web page. Any products, which are available to download, appear as links. The links may be *.html, *.zip, *.pdf files or other file types.
Western Fisheries Research Center (WFRC) [New Window]
Brief description of the Western Fisheries Research Center in Seattle devoted to research on fish populations and aquatic ecosystems of the West. Links to research programs, laboratory locations, publications, and map services.
Western Fisheries Research Center - Our research: aquatic ecosystems [New Window]
Links to reports of aquatic ecosystems research at the Western Fisheries Research Center (WFRC) emphasizing the understanding of ecological processes for aquatic systems, including river basins, riparian areas, wetlands, and estuaries.
Western lake catchment systems - Bear Lake region, Idaho-Utah [New Window]
Homepage for project on Bear Lake, Idaho-Utah, to study past climate change and effect on lake catchment basins. Includes link to summary, personnel, geology, methods used including coring and seismic surveying, and publications.
Wetland restoration bibliography [New Window]
This bibliography is intended to provide scientists, managers, educational institutions (or students), and policy-makers with online access to current information on wetland restoration.
Wetlands Ecology Branch, National Wetlands Research Center [New Window]
Information on the NWRC Wetlands Ecology Branch, which conducts research related to sustainable management and restoration of the nation's coastal saltwater wetlands, freshwater wetlands, submerged aquatic ecosystems, and coastal prairie.
Whitebark pine communities [New Window]
Report on status and trends of whitebark pine communities with references to related publications.
Wildland fire managers site [New Window]
Site with GIS maps of western wildfire areas with some access limited to wildland fire managers.
Wildland fire research [New Window]
Thematic descriptions of research to meet the varied needs of the fire management community and to understand the role of fire in the landscape including fire management support, studies of postfire effects, and fire history and ecology.
Woods Hole Coastal and Marine Geology Field Center [New Window]
Site with links to projects of the field center of the Woods Hole Coastal Marine Geology Program on underwater areas between shorelines and the deep ocean, off the U.S. East Coast, the Gulf of Mexico, and in parts of the Caribbean and Great Lakes.


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