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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 111 - 120 of 132 listed by similarity [list alphabetically]
Tampa Bay Estuary Interactive Mapping System (IMS) [More info]
Interactive Mapping Service (IMS) is an Internet based Geographic Information System designed to provide users with online mapping capability of habitats, land use and land cover, and seagrass for areas of Tampa Bay.
Tampa Bay Study [More info]
Overview of interdisciplinary research on the Tampa Bay estuary of the Gulf of Mexico with links to digital library, interactive mapping, reports, posters, water chemistry maps, meetings and conferences, scientist directory, and field trips.
The Columbia River Research Laboratory [More info]
Describes the research carried out here, with special emphasis on fish and the people and equipment used to study them.
The Gulf of Mexico Hypoxic Zone [More info]
Information and links to USGS and other Federal agency monitoring and research concerning the hypoxic zone in the northern Gulf of Mexico occurring along the Louisiana-Texas coast.
The Marine Realms Information Bank family of digital libraries: Access to free online information for coastal and marine science [More info]
An introduction to three related USGS digital libraries: the general-purpose Marine Realms Information Bank (MRIB); the regionally focused Monterey Bay Science (MBS) Digital Library; and the topically focused Coastal Change Hazards (CCH) Digital Library.
PDF The Palmyra Atoll Research Consortium [More info]
Palmyra Atoll in the tropical Pacific is a "living laboratory" for multi-disciplinary research on coral reef ecosystems, insular terrestrial ecosystems, climate change, and the lingering effects of Cold War nuclear testing.
The role of climate in estuarine variability [More info]
Article from American Scientist on study of the San Francisco Bay estuary as a component of the global climate system showing that natural fluctuations might be mistaken for anthropogenic trends affecting waterflow and salinity.
The South Florida environment-- a region under stress [More info]
This report serves as an environmental review and framework for developing USGS programs in the south Florida ecosystem, especially the Everglades and its watershed, and stresses the critical role of water in natural and human environment.
The U.S. Geological Survey and the Chesapeake Bay - the role of science in environmental restoration [More info]
Summary of a circular on USGS environmental research and Chesapeake Bay with links to full document. Includes discussion of the problems of the estuary, restoration efforts, water quality, and effects on ecosystem.
PDF Two decades of research at Crater Lake [More info]
Research brief for resource managers on the ecology of Crater Lake.
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