Explains biological soil crusts, organism-produced soil formations commonly found in semiarid and arid environments, with special reference to their biological composition, physical characteristics, and ecological significance.
Fact sheet on the need to protect biological soil crusts in the desert. These crusts are most of the soil surface in deserts not covered by green plants and are inhabited by cyanobacterium (blue-green algae) and other organisms useful to the ecosystem.
Poster presentations for Center for Aquatic Resource Studies projects related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
Portal of the National Biological Information Infrastructure (NBII) with links to diverse biological databases, information products, and analytical tools contributed by NBII cooperating organizations and agencies.
The NBII Metadata Clearinghouse contains standardized metadata-based descriptions to assist in locating and accessing useful biological data sets, information products, and applications software in a distributed network of cooperating data sources.