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]

F:
FS INFO - National Forest Service Library catalog--indexing forestry and natural resources literature, including many full-text links. [U.S. Department of Agriculture (USDA), Forest Service]

Fish On-Line: A Web-accessible Database of Aquatic Biological Data - Idaho fish community map data collected as part of discrete or on-going water quality assessments in Idaho rivers and streams. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Forest & Rangeland Ecosystems Science Center-Snake River Field Station]

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)]

N:
National Streamflow Information Program - Home page describing the operation and maintenance of 7000 streamgages, overview of the program, system for collection of streamflow data, maintaining of historic streamflow data, and available reports [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS)]

Nonindigenous Aquatic Species Database - A central repository for spatially referenced biogeographic accounts of introduced aquatic species. [U.S. Department of the Interior (DOI), U.S. Geological Survey (USGS), Southeast Ecological Science Center]

O:
Observing the Living Oceans from Space. Webcast - A Webcast of a presentation by Gene Feldman, NASA Goddard Space Flight Center. [U.S. Library of Congress (LOC)]

S:
Southeast Watershed Research Laboratory - Focuses on the Coastal Plain. Develops scientific understanding and technologies of watershed systems essential to maintaining or enhancing the environmental and natural resource base required for the agricultural economy [U.S. Department of Agriculture (USDA), Agriculture Research Service (ARS)]