A:
AGRICOLA (AGRICultural OnLine Access) - Search a bibliographic database of citations to the literature of agriculture [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]

Abandoned Mine Lands (AML) - 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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Access USGS - San Francisco Bay and Delta - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Alaska Science Center - Biological Science Office - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Amphibian Malformations and Declines - Information on amphibian malformations and links to resources. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), National Wildlife Health Center]

B:
Biological Resources of the USGS - Homepage for the Biological Resources Discipline of the USGS providing links to scientific programs, organization, and special features [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

C:
Center for Coastal & Watershed Studies - St. Petersburg, Florida - Homepage for the Center for Coastal & Regional Marine Studies with links to newsletter, projects, products, location, and contacts [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Center for Coastal Environmental Health and Biomolecular Research (CCEHBR) - Conducts interdisciplinary research to resolve issues related to coastal ecosystems health and environmental quality, including public health impacts [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS)]

Center for Coastal Fisheries and Habitat Research (CCFHR) - Provides information necessary to enhance recreational and commercial fishery [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS)]

Cheetah: Science Reference Guide - A research and finding aid from the Science Reference Service at the Library of Congress [U.S. Library of Congress (LOC)]

Chesapeake Bay Activities - Information on USGS studies of Chesapeake Bay, the nations largest estuary, concerned with water quality, ecosystem history and change, vital habitat and biological resources,and land use studies [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Columbia Environmental Research Center (CERC) - Website for the Columbia Environmental Research Center with links to staff, publications, databases, field stations, and projects including those on the Rio Grande, burrowing owls, sea turtles, and geospatial technology [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Coral Reef Data & Information (CoRIS) - Provides a coral reef data and information management system that integrates biological data from reef ecosystem monitoring and research programs [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), The National Oceanographic Data Center (NODC)]

D:
DOE Office of Biological and Environmental Research (BER) - Advances environmental and biomedical knowledge that promotes national security through improved energy production, development, and use [U.S. Department of Energy (DOE), Office of Science (SC), Office of Biological and Environmental Research (BER)]

Distributed Active Archive Center (DAAC) for Biogeochemical Dynamics - Data related to biogeochemical dynamics which are the result of the interactions between the biological, geological, and chemical components of the Earth's environment [U.S. Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]

E:
Earth Day: Selected Resources - Science Reference Guide - Finding guide from the Library of Congress, Science Reference Section [U.S. Library of Congress (LOC)]

Earth’s Water Cycle in a Changing Climate - Webcast of a presentation at the Library of Congress by Peter Hildebrand, chief of the Hydrospheric and Biospheric Sciences Laboratory at NASA Goddard Space Flight Center. [U.S. Library of Congress (LOC), Science, Technology and Business Division]

Eastern Oregon Agricultural Research Center (EOARC) - Develop agricultural and natural resource strategies that maintain or enhance intermountain forest and shrub steppe ecosystems [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Ecology Group - Develops efficient approaches to ecosystem characterization, monitoring, and adaptive management [U.S. Department of Energy (DOE), Pacific Northwest National Laboratory (PNNL)]

Environmental Monitoring and Assessment Program (EMAP) - Develop the tools necessary to monitor and assess the status and trends of national ecological resources [U.S. Environmental Protection Agency (EPA)]

F:
Forest and Rangeland Ecosystem Science Center (FRESC) - Home page of the Forest and Rangeland Ecosystem Science Center, Corvallis, Oregon, providing research and technical support for ecosystem management in the western U.S. Links to projects, field stations, fact sheets, partnerships, and publications [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Free Air CO2 Enrichment (FACE) - An ecosystem platform to study the effects of elevated atmospheric carbon dioxide concentrations on terrestrial systems. [U.S. Department of Energy (DOE), Brookhaven National Laboratory (BNL)]

G:
Global Warming & Climate Change: Science Tracer Bullet - updated Feb. 2011 - Finding guide from the Library of Congress, Science Reference Service [U.S. Library of Congress (LOC)]

Great Lakes Environmental Research Laboratory (GLERL) - Conducts integrated, interdisciplinary environmental research in support of resource management and environmental services in coastal and estuarine water, with special emphasis on the Great Lakes [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Ocean Service (NOS), National Centers for Coastal Ocean Science]

Great Lakes Science Center - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

H:
Harmful Algal Blooms (HABs) - Provides information on Red Tides. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA), National Centers for Coastal Ocean Science]

L:
Leetown Science Center - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

N:
National Activities of the USGS Biological Resources Discipline - Links to national programs, including biomonitoring, bird banding, gap analysis, integrated taxonomy, breeding birds, nonindigenous species, and vegetation mapping. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

National Wetlands Inventory Center (NWI) - Generates information about the characteristics, extent and status of the Nation's wetlands and deepwater habitats [U.S. Department of the Interior (DOI), U.S. Fish and Wildlife Service]

National Wetlands Research Center, Lafayette, Louisiana - Homepage with links to general information, staff, issues and capabilities, library, publications and data [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Northern Prairie Wildlife Research Center, Jamestown, ND - Homepage with links to news, biological resources - resources finder, announcements, general information, help and feedback, projects, and send a postcard activity [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

O:
Oak Ridge National Environmental Research Park - An outdoor laboratory with field research sites on which are located maintenance and support facilities sufficient to permit sophisticated and well-instrumented environmental experiments [U.S. Department of Energy (DOE), Oak Ridge National Laboratory (ORNL)]

On-line data and reports on acid rain, atmospheric deposition, and precipitation chemistry - Access to map of data collection sites of the National Atmospheric Deposition Program/National Trends Network (NADP/NTN)with links to other maps and reports on wet atmospheric deposition (chemicals deposited via rain, sleet and snow). [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Our dynamic desert landscape - 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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Geologic Division, Western Region Earth Surface Processes Team]

P:
Patuxent Wildlife Research Center - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

R:
Rocky Mountain Research Station - Improve management, protection, and use of forests and rangelands [U.S. Department of Agriculture (USDA), Forest Service]

S:
SOFIA, South Florida Information Access, Integrated Science - Provides scientific information access in support of research, decision-making, and resource management for the South Florida ecosystem restoration effort. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Status and Trends - Inventory, distribution, abundance, productivity, health, and variable changes to our living resources. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

T:
The Cheetah: A Race for Survival. Webcast - A Webcast of a presentation by Dr. Laurie Marker. She is the Founder and Executive Director of the Cheetah Conservation Fund, headquartered in the Republic of Namibia. [U.S. Library of Congress (LOC)]

U:
U.S. Agency for International Development's Environment and Global Climate Change Programs - Descriptions of USAID's Environment and Global Climate Change programs on biodiversity, biotechnology, climate change, energy, forestry, land management, pollution prevention, and water programs. [U.S. Agency for International Development (USAID)]

USGS Biocomplexity Thesaurus - A collection of biodiversity terms and their relationships, in the areas of Aquatic Sciences and Fisheries, Life Sciences, Pollution, Sociology, Ecotourism , and Fire Science. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Core Science Analytics & Synthesis Program]

Upper Midwest Environmental Sciences Center (UMESC), Lacrosse, Wisconsin - Homepage with links to data library, geographical search, science programs, partnerships, long term resource monitoring program, reports and publications, and education [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

V:
Vegetation Characterization Program, USGS-National Park Service (NPS) - A cooperative effort to classify, describe, and map vegetation communities in over 270 U.S. national park units with links to overview, standards, products, and applications [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Core Science Analytics & Synthesis]

W:
Watershed Ecology - A training module [U.S. Environmental Protection Agency (EPA)]

Western Ecological Research Center (WERC) - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Western Fisheries Research Center - Expertise in fish health research [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Wetlands, oceans, watersheds - The area that drains to a common waterway [U.S. Environmental Protection Agency (EPA)]