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A:
AIRD: Aquatic Invasions Research Directory - A free database designed to promote information transfer, coordination, and collaborative research on the invasion of aquatic ecosystems. [Smithsonian Institution, Smithsonian Environmental Research Center]

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]

C:
CSCOR: Center for Sponsored Coastal Ocean Research - Understanding and predicting the impacts of natural and anthropogenic influences on coastal regional ecosystems, communities, and economies. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

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)]

Climate Change Policy: Updates - Webcast - Webcast of a talk given at the Library of Congress by Dr. Peter C. Frumhoff, Ph.D., Union of Concerned Scientists, in November 2012. [U.S. Library of Congress (LOC)]

Coastal Shoreline Website - Informs you about the development of the Shoreline Data Content Standard and provides other shoreline information [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

Conservation and Water - The Office of Conservation and Water (ECW) coordinates the development of U.S. foreign policy approaches to conserving and sustainably managing the world's ecologically and economically important ecosystems, including forests, wetlands, drylands and coral reefs, and the species that depend on them. [U.S. Department of State]

E:
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)]

Ecosystem Research - EPA’s ecosystems research is working to protect ecosystems and the air and water resources that provide numerous benefits for humans and other living things. [U.S. Environmental Protection Agency (EPA)]

F:
Fire Research and Management Exchange System (FRAMES) - Interagency fire science program that facilitates the integration and retrieval of comprehensive data and information needed to support fire management and research. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Core Science Analytics & Synthesis]

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)]

G:
Gap Analysis Program (GAP) - Home page of the Gap Analysis Program (GAP) providing assessments of the conservation status of native vertebrate species and natural land cover types of the U.S. Links to projects, applications, status maps, and a searchable database [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

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 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)]

Green Roofs - Science Tracer Bullet - Finding aid from the Library of Congress [U.S. Library of Congress (LOC)]

Gulf of Mexico Integrated Science - 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, epipytes,and field trips. [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]

Health Risks of Atomic Bomb Exposure - Webcast of a presentation by Human geneticist William Jack Schull, outlining the health effects of exposure to atomic bomb radiation. [U.S. Library of Congress (LOC)]

I:
International Institute of Tropical Forestry (IITF) - Research on the sustainable use of forest resources, the rehabilitation of degraded lands, and the management and conservation of tropical forests, wildlife and watersheds [U.S. Department of Agriculture (USDA), Forest Service]

Invasive Plant Research Laboratory - Sustainable management strategies for control of aquatic and wetland weeds [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

L:
Laws and Policies - Office of Protected Resources - NOAA Fisheries - Mandates for the protection of endangered and threatened marine life, marine mammals, and the ecosystems upon which they depend. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

Long Term Ecological Research (LTER) Network - Investigates ecological processes over long temporal and broad spatial scales and promotes synthesis and comparative research across sites and ecosystems [U.S. National Science Foundation (NSF)]

M:
Mapping Water Use from Space - Webcast - Webcast of a talk at the Library of Congress. Martha Anderson, PhD., talks about using images from the Landsat satellite program to monitor water use and drought on U.S. farms. It is used to measure evapotranspiration, the total amount of water used in the process of growing crops. [U.S. Library of Congress (LOC)]

Missouri River InfoLink: a clearinghouse of Missouri River information - 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. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Mojave Ecosystem Database Program (MEDP) - Database enables accurate modeling of environmental factors and facilitates data driven analysis of the Mojave ecoregion [U.S. Department of the Interior (DOI); U.S. Department of Defense (DOD)]

N:
National Estuarine Research Reserve System - The National Estuarine Research Reserves System is a network of 27 areas representing different biogeographic regions of the United States that are protected for long-term research, water-quality monitoring, education and coastal stewardship. [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

National Invasive Species Information Center - Is a gateway to invasive species information; covering Federal, State, local, and international sources. [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS), National Agricultural Library (NAL)]

National Wildlife Research Center (NWRC) Research Library - Locate hard to find reports on species profiles, habitat suitability index, and community profiles [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Natural Resources Conservation Service (NRCS), Dept. of Agriculture - This site relates to general information about the Natural Resources Conservation Service and provides quick links to maps, facts, figures, data, tech information, soils, wetlands, grazing lands and buffers. You can also access materials on water quality [U.S. Department of Agriculture (USDA), Natural Resources Conservation Service (NRCS)]

North Appalachian Experimental Watershed Unit (NAEW) - Conducts research on hydrology, surface runoff, groundwater quality, and erosion in an agricultural context [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

Northern Plains Agricultural Research Laboratory - The NPARL mission is to develop ecologically based strategies, technologies, and products for the sustainable management of crops and rangeland, and natural resource systems. [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

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)]

P:
PORTAL to Global Environmental Datasets - Links to sources of data (and meta-data) on global spatial environmental/scientific data sets [U.S. Department of Commerce (DOC), National Oceanic and Atmospheric Administration (NOAA)]

R:
River Corridor and Wetland Restoration - Provides current information on wetland and river corridor restoration projects and provides a forum for information sharing [U.S. Environmental Protection Agency (EPA), Office of Water]

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)]

South Florida Ecosystem History Project - 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 [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

South Florida Information Access (SOFIA) data exchange - Provides links to the data, models and maps on the biology, ecology, geology, mapping, hydrololgy, and chemistry of research studies in southern Florida [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Southwest Watershed Research Center - Research is conducted in erosion & sedimentation, hydrology, decision support systems, remote sensing [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]

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)]

Trinity River National Wildlife Refuge - Information about the protection of a remnant of the bottomland hardwood forest ecosystem along the Trinity River. [U.S. Department of the Interior (DOI), U.S. Fish and Wildlife Service]

U:
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)]

W:
Water Quality: United States Department of Agriculture, Economic Research Service - This site presents the latest information on data products, resources and services. You can access the latest publications that pertain to economic aspects of agriculture and water quality. [U.S. Department of Agriculture (USDA), Economic Research Service (ERS)]

Watershed Protection - Information on protecting and restoring aquatic ecosystems and protecting human health [U.S. Environmental Protection Agency (EPA)]