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Aquatic ecosystems
Communities of interdependent organisms living primarily in or on water.
Subtopics:
Benthic ecosystems (3 items)
Estuarine ecosystems (27 items)
Freshwater ecosystems (29 items)
Marine ecosystems (37 items)

Planktonic ecosystems (4 items)
Related topics:
Results 11 - 20 of 132 listed alphabetically [list by similarity]
Biological resource status and trends: Inland water ecosystems [More info]
Information concerning status and trends of biological resources, focusing on inland water ecosystems
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: Marine ecosystems [More info]
Information concerning status and trends of biological resources, focusing on marine ecosystems
Biological resource status and trends: Ocean and sea ecosystems [More info]
Information concerning status and trends of biological resources, focusing on oceanic ecosystems
Biological resource status and trends: Reef ecosystems [More info]
Information concerning status and trends of biological resources, focusing on reef 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
Boston Harbor ecosystems [More info]
This web site is an outgrowth of an agreement between the USGS and the New England Aquarium, designed to summarize and make available results of scientific research. It will also present educational material of interest to wide audiences.
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [More info]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
Characterization of macroalgal epiphytes on Thalassia testudinum in Tampa Bay, Florida [More info]
Identification of epiphytes (plants obtaining moisture and nutrients from the air and rain and usually living on another plant) on seaweed in Tampa Bay, Florida. Abstract of symposium presentation with photos.
Chesapeake Bay activities [More info]
Information on USGS studies of Chesapeake Bay, the nation's largest estuary, concerned with water quality, ecosystem history and change, vital habitat and biological resources, and land use studies.
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