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Life sciences
Branches of science that study living and fossil organisms.
Subtopics:
Anatomy and physiology (6 items)
Aquatic biology (53 items)
Biochemistry (11 items)
Botany (25 items)
Developmental biology (2 items)
Ecology (133 items)
Ecotoxicology (63 items)
Genetics (8 items)
Marine biology (21 items)
Microbiology (12 items)
Morphology (biological) (1 items)
Mycology (2 items)
Parasitology (2 items)
Pathology (26 items)
Systematics and taxonomy (15 items)
Zoology (121 items)
Related topics:


Results 191 - 200 of 426 listed by similarity [list alphabetically]
Gulf of Mexico Estuaries Integrated Science Strategy [More info]
A white paper describing a plan for USGS research in Gulf of Mexico estuaries, developed in 2001 using Tampa Bay as an example with links to program strategy and design.
Gulf of Mexico Integrated Science [More info]
Website of the Gulf of Mexico Integrated Science program to understand the framework and processes of the Gulf of Mexico using Tampa Bay as a pilot study. Links to publications, digital library, water chemistry maps, epiphytes, and field trips.
PDF Hawaiian duck's future threatened by feral mallards [More info]
The greatest threat to the future of the Koloa maoli as a unique species is cross-breeding with the introduced Mallard duck. This type of threat is termed genetic extinction.
Historical interrelationships between population settlement and farmland in the conterminous United States, 1790 to 1992 [More info]
Chapter from Land Use History of the North America on the results of a study to understand the interactions of population growth, urbanization, and agricultural activity over time.
Historical landcover changes in the Great Lakes region [More info]
Results of a study that provides a regional vegetation history of the Great Lakes area during the last 150 years compared to the preceding 1,000 years.
History and ecology of mangroves in the Dry Tortugas [More info]
Fact sheet on the historic and current conditions of mangroves of Dry Tortugas National Park, a cluster of islands and coral reefs west of Key West, Florida. Mangroves and nesting frigate bird colonies are at risk to destruction by hurricanes.
Human Health Database [More info]
Central site providing links to USGS databases and homepages providing significant data and information on research related to human health.
Hurricane Katrina photographs August 30, 2005 [More info]
Photographic survey of the impacts of Hurricane Katrina on the barrier islands, barrier shoreline, and the Mississippi River Delta along the Louisiana coastline. Primary focus is on the ecosystems such as fish, rookeries, and seagrass beds.
Identifying predators and fates of grassland passerine nests using miniature video cameras [More info]
Description of the use of a miniature video-camera system deployed at nests of passerine species in North Dakota to videotape predation of eggs or nestlings by animals such as mice, ground squirrels, deer, cowbirds and others.
PDF Illustrated field guide for assessing external and internal anomalies in fish [More info]
Links to PDF version of the field guide.
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