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Freshwater ecosystems
Biological communities and habitats that exist in lakes, rivers, ponds, and other bodies of water that are not salty.
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River ecosystems (3 items)
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Results 1 - 10 of 26 listed by similarity [list alphabetically]
Biological resource status and trends: Lake ecosystems [More info]
Information concerning status and trends of biological resources, focusing on lake ecosystems
Biological resource status and trends: River and stream ecosystems [More info]
Information concerning status and trends of biological resources, focusing on river and stream ecosystems
Mercury in stream ecosystems - publications [More info]
Publications dealing with the occurrence, methods of monitoring, and changes in the concentration of mercury within streams and nearby areas
PDF Relations among geology, physiography, land use, and stream habitat conditions in the Buffalo and Current River systems, Missouri and Arkansas [More info]
PDF Assessment of least tern and piping plover habitats on the Missouri River using remote sensing [More info]
Analysis and modeling of multispectral imagery helps to predict the suitability of sand bars for nesting of these migratory birds.
Biological resource status and trends: Inland water ecosystems [More info]
Information concerning status and trends of biological resources, focusing on inland water ecosystems
PDF 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.
Farm ponds as critical habitats for native amphibians [More info]
Constructed farm ponds represent significant breeding, rearing, and overwintering habitat for amphibians in the Driftless Area Ecoregion of Minnesota, Wisconsin, and Iowa. Links to fact sheet, brochure, annual reports, field manual, and final report.
Great Lakes Science Center [More info]
Site for Great Lakes Science Center, Ann Arbor, which provides information about biological resources in the Great Lakes Basin. Links to personnel, publications, data, library, facilities, research vessels, Great Lakes issues, and research.
Lake Tahoe Data Clearinghouse [More info]
This website is a gateway to information and data on Lake Tahoe with links to Lake Tahoe Initiative, geography, history, lake facts, GIS Data, DEM, DOQ, DLG imagery, bathymetry, satellite imagery, land cover, census, soils, pictures, and general maps.
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