Trace elements are inorganic chemicals occurring in small amounts in nature. This web site of the National Water Quality Assessment links to U.S. data, publications, news, and other sites on trace metals, metalloids and radionuclides in water.
Overview of three research programs including determining levels of mercury at selected sites in water, sediment and fish, mercury emissions into the atmosphere, and mercury cycling in the Everglades National Park, Florida.
Coordinates our efforts to address challenges resulting from climate change and to empower natural resource managers with rigorous scientific information and effective tools for decision-making.
Descriptions of amphibians and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on amphibians.
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.
Brief descriptions of programs of research on aquatic nonindigenous plants and animals at the Florida Integrated Science Center with links to descriptions, videos, posters, and reports on various exotic plant and animals species.
Descriptions of reptiles and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on reptiles.
We estimate population growth rates by collecting hair at natural bear rubs along trails, roads, and fence and power lines, and analyzing the DNA from the hair.