Using a combination of techniques to control or direct the use of resources and limit population size to reach a predetermined goal, such as sustainability.
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.
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.
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.
Information on coal on federally owned public lands with links to database and maps for federal coal ownership of the United States, Rocky Mountains and Great Plains, and Colorado Plateau.
Studies by the USGS documenting the extent of surface-water and ground water degradation associated with coal mining in Pennsylvania and the effects of mining and reclamation practices. Includes map of mine sites.
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.
Crustal imaging and characterization home with links to projects on earth science technologies including geophysical, geochemical, and isotope studies, online publications and data, and newsletter Minerals News.
Links to research studies, conservation information, and general information on desert tortoises at the Western Ecological Research Center in Sacramento, California.
Digital image maps documenting the amount of change in open space between 1984 and 1997 within the study area and document where these changes have occurred in order to effectively evaluate change in big game habitat.
U.S. Department of the Interior |
U.S. Geological Survey