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.
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 annelids and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on annelids.
Descriptions of bryozoans and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on bryozoans.
Descriptions of coelenterates and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on coelenterates.
Descriptions of crustaceans and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on crustaceans.
Descriptions of mollusks and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on mollusks.
Descriptions of sponges and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on sponges.
Descriptions of tunicates and examples of the deleterious effects of nonindigenous species, with links to distribution maps, species lists and related information on tunicates.
Brief report on sidescan sonar data, sediment sampling, and submersible and video photography studies of destruction of deep-water coral pinnacles where fish spawn off east-central Florida in the Oculina Bank in order to restore and protect the habitat.
U.S. Department of the Interior |
U.S. Geological Survey