USGS: Science Topics: ecosystems

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Ecosystems

The interacting populations of plants, animals, and microorganisms occupying a certain area, and their relationship to the environment.

Subtopics:
Aquatic ecosystems (132 items)
Terrestrial ecosystems (100 items)
Wetland ecosystems (34 items)

Related topics:

Results 31 - 40 of 264 listed by similarity [list alphabetically]

Estuaries of the Greater Everglades Ecosystem: Laboratories of Long-term Change [More info]: Explains how we reconstruct past environmental conditions, especially salinity, to help guide ecosystem restoration efforts in this area.
Forest and Rangeland Ecosystem Science Center [More info]: Home page of the Forest and Rangeland Ecosystem Science Center, Corvallis, providing research and technical support for ecosystem management in the western U.S. Links to projects, field stations, fact sheets, partnerships, and publications.
Forest and Rangeland Ecosystem Science Center: Fact Sheets [More info]: Access to Forest and Rangeland Ecosystem Science Center fact sheets on fish, fish diseases, aquatic resources, and other projects and activities.
From ridge to reef--linking erosion and changing watersheds to impacts on the coral reef ecosystems of Hawai‘i and the Pacific Ocean [More info]: Explains how land processes on hills near the shoreline affect the health of coral reefs.
Gulf of Mexico deep-sea coral ecosystem studies, 2008-2011 [More info]: Deep-sea corals, also known as cold-water corals, have become a topic of interest due to conservation concerns over the impacts of trawling, exploration for oil and gas, and climate change.
Land-use planning for nearshore ecosystem services--the Puget Sound Ecosystem Portfolio Model [More info]: Describes the types of concerns and observations used to help area resource managers analyze actual or potential changes in this highly developed ecosystem.
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
Natural and human drivers of biodiversity in the Greater Yellowstone ecosystem [More info]: This study reconstructs past interactions among ecosystem factors, native species, and human land use in the Greater Yellowstone ecosystem to provide a context for future management to sustain both ecological and human communities.
Priority ecosystem studies initiative [More info]: Description of the priority ecosystems studies initiative with links to projects in Chesapeake Bay, Greater Yellowstone, Mojave Desert, Platte River, Salton Sea, San Francisco, and south Florida.
Recoverability and vulnerability of desert ecosystems [More info]: Research results (publications, photographs, maps) on ecological processes within the Mojave Desert Ecosystem to provide land managers with scientific understanding and tools needed to conserve and restore threatened desert landscapes.

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