Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Links to maps of breeding distributions of bird species on grasslands and shrublands in the northern Great Plains. Maps can also be downloaded from *.zip files in HTML format.
A chapter of the publication: Land Use History of North America on general patterns of plant species diversity in North America that shows how these patterns have changed over time.
Article from Wildlife Monographs no. 100 (1988) on the relationships of wetland habitat dynamics and life history to the breeding distributions of the various species of ducks with information on research methods and references.
Catalog of bird species common to forest and rangeland habitats in the U.S. with natural histories including taxonomic information, range, and habitat descriptions to assist land managers in resource management. Text available as a *.zip file.
Occurrence, photos, and characteristics of some species of the colonial tunicate genus Didemnum, nuisance species that reproduce rapidly and foul marine habitats (including shellfish aquacultures and fishing grounds), ship's hulls, and maritime structure
Descriptions of fishes and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on fishes.
Descriptions of mammals and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on mammals.
Descriptions of reptiles and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on reptiles.
U.S. Department of the Interior |
U.S. Geological Survey