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Biogeographic regions
Geographic regions characterized chiefly by the dominant forms of plant life and the prevailing climate. [Adapted from American Heritage Dic. of the English Language, 4th ed.]
Alexandria Digital Library Feature Type Thesaurus
Subtopics:
Deserts (9 items)
Forests (8 items)
Grasslands (10 items)
Habitats (2 items)
Shrublands (2 items)
Tundras (2 items)
Wetlands (26 items)
Related topics:
Results 1 - 50 of 50 listed by similarity [list alphabetically]
An overview of coastal land loss with emphasis on the southeastern United States [New Window]
Comprehensive background information on coastal land loss, discussing the influence of waves and storms, the intrinsic characteristics of the shoreline materials, and the role of human activities.
Atchafalaya & Mississippi River Deltas study: a tale of two deltas [New Window]
Project of the Gulf of Mexico Integrated Science program that evaluates the transport and sedimentation of contaminates through the Mississippi River and Atchafalaya River delta to the near-shore Gulf of Mexico. Includes aerial photographs.
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 resource status and trends: Desert ecosystems [New Window]
Information concerning status and trends of biological resources, focusing on desert ecosystems
Biological resource status and trends: Forest ecosystems [New Window]
Information concerning status and trends of biological resources, focusing on Forest ecosystems
Biological resource status and trends: Grassland ecosystems [New Window]
Information concerning status and trends of biological resources, focusing on Grassland ecosystems
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.
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.
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.
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.
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).
Cryptobiotic soils: holding the place in place [New Window]
Describes biological soil crusts, with special reference to their role in resisting soil erosion, improving soil fertility, and increasing water infiltration in the deserts of the Colorado Plateau region.
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.
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.
Ecosystems of South Florida [New Window]
An overview with brief descriptions and photographs of some of South Florida's unique ecosystems.
Effects of management practices on grassland birds [New Window]
Links to grassland bird species with detailed descriptions and bibliographic database in *.zip files to download in ProCite 5, Rich Text Format or ASCII formats.
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.
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.
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.
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.
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.
International Polar Year 2007-2008 [New Window]
Scientific studies on the polar regions will receive greater attention during 2007-2008 as a result of USGS participation in the International Polar Year, coordinated in the US by the National Research Council, NSF, and NASA.
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.
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.
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.
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.
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.
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 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.
Savanna restoration bibliography [New Window]
A searchable, living bibliography on the subject of savannas and their restoration.
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) 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 Restoration Science Forum [New Window]
Discussions and posters about agriculture, ecology, hydrology, ecosystems, and resource management efforts in south 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.
Tampa Bay Estuary Interactive Mapping System (IMS) [New Window]
Interactive Mapping Service (IMS) is an Internet based Geographic Information System designed to provide users with online mapping capability of habitats, land use and land cover, and seagrass for areas of Tampa Bay.
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.
The Marine Realms Information Bank family of digital libraries: Access to free online information for coastal and marine science [New Window]
An introduction to three related USGS digital libraries: the general-purpose Marine Realms Information Bank (MRIB); the regionally focused Monterey Bay Science (MBS) Digital Library; and the topically focused Coastal Change Hazards (CCH) Digital Library.
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.
Tides and inflows in the mangroves of the Everglades (TIME) [New Window]
Links for the Tides and Inflows in the Mangroves of the Everglades (TIME) project on the effects of freshwater and tidal flows on the Everglades mangroves. With links to software & manuals, time data, photos, animations, and bibliography.
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.
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.
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.


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