USGS: Science Topics: aquatic biology

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Aquatic biology

The scientific study of organisms living in or near water. This term is to be used for the science of 'aquatic biology' and for biological studies in fresh and brackish water. For marine biological studies, use 'marine biology'.

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Results 11 - 20 of 53 listed by similarity [list alphabetically]

An experiment to control nonnative fish in the Colorado River, Grand Canyon, Arizona [More info]: We removed non-native fish from a section of the river and the endangered native species humpback chub increased in abundance. But it is not yet clear that decreased competition explains the rebound in population.
Classification of wetlands and deepwater habitats of the United States [More info]: Detailed publication on the classification system for an inventory of wetlands and deepwater habitats of the United States used to describe ecological taxa and arrange them in a system useful to resource managers.
Columbia Environmental Research Center (CERC) online databases [More info]: Links to Columbia Environmental Research Center online databases with text, data, and metadata on toxicity, Missouri River, biomonitoring of environmental status and trends, contaminants, and sediments.
Columbia Environmental Research Center (CERC) publications [More info]: Links to electronic publications of the Columbia Environmental Research Center (CERC) including journal articles and full-text publications accessible by publication series and subjects.
Columbia River USGS Interdisciplinary Science Explorer WebSite [More info]: Web site for an Internet Map Service (IMS) serving base cartographic data, USGS data, science applications and real time modelling analyses for the Columbia River basin using geospatial analysis technology.
Data visualization tools used in studies of the upper Mississippi River and nearby areas [More info]: Interactive maps and databases showing geospatial, biologic, and ecological aspects of the upper Mississippi River. Includes water quality, fish species, and vegetation distribution as well as geographic reference information.
Environmental Monitoring and Assessment Program Western Pilot Project - Conditions of North Dakota Perennial Streams for Water Chemistry and Mercury in Fish Tissue, 2000-2003 [More info]: Sixty-five sampling sites, selected by a statistical design to represent lengths of perennial streams in North Dakota, were chosen to be sampled for water chemistry and mercury in fish tissue to establish unbiased baseline data.
Fish Health Branch, Leetown Science Center [More info]: The Fish Health Branch, Leetown Science Center, investigates fish health and disease issues associated with genetics, pathogens and environmental stress. With links to workshops, leaflets, and announcements relating for fish health.
Fish passage through dams in large temperate floodplain rivers: an annotated bibliography [More info]: Report describes an electronic database of annotated citations relevant to fish passage through dams. Document may be searched using the search form or downloaded as an Endnote, Microsoft Word, or WordPerfect
Fragile environments: San Francisco Bay wetlands [More info]: Overview with links to studies on the effects of human activity on the San Francisco estuary with loss of historic fresh and saltwater tidal marshes reducing habitats, introducing contaminants in waste, and creating dredging problems.

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