Homepage for biological characterization activities with links to: Gap Analysis Program, Vegetation Mapping Programs, Land Use History of North America, and Integrated Taxonomic Information System.
Information concerning status and trends of biological resources, focusing on forbs, herbaceous flowering plants that are not grasses, such as clover, sunflower, and milkweed
Description of a research project that evaluated environmental contaminants and their effects on species and lands under stewardship of the Department of the Interior.
Bird banding is used to study the movement, survival and behavior of birds. The Bird Banding Laboratory Site has links to the value, procedure and history of bird banding, how to report bird bands (English & Spanish), and resources for birders.