Paper by Duane Chapman for the 6th International SPMD Workshop and Symposium on a semipermeable membrane device (SPMD) measures contaminants in water by mimicking the parts of fish that cause concentration of specific chemicals in fish tissues.
Report on the captive breeding program at Patuxent Wildlife Research Center to help save endangered whooping cranes. Site links to natural history information on whooping cranes, why they are endangered, cool facts on cranes, and a photo gallery.
This endangered species prefers native trees in large, continuous areas of riparian habitat. Armed with this information, resource managers may identify and preserve areas favorable to this population.
Homepage for Upper Midwest Environmental Science Center, LaCrosse, Wisconsin, with links to data library, geographical search, science programs, partnerships, long-term resource monitoring program, reports and publications, and education.
Report on use of strip-transect aerial surveys to obtain minimum manatee counts and distribution information in area of Ten Thousand Islands, Florida, with maps, diagrams, and information on method and results.
Review of current research on stock assessment of the Pacific walrus in the Chukchi and Bering Seas and interactions between walruses and their environment with links to walrus taxonomy, distribution, behavior, and relation to man
Identification manual with colored photos of species of puddle ducks, diving ducks, geese, mergansers, swans, cranes, herons, egrets, pelicans and cormorants. Also includes information on ordering print copy and downloading as *.zip file.