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Ecological processes
Dynamic biogeochemical interactions that occur among and between biotic and abiotic components of the biosphere.
Subtopics:
Algal blooms (3 items)
Bioaccumulation (5 items)
Biogeochemical cycling (14 items)
Biological productivity (1 items)
Contaminant transport (25 items)
Dispersal (organisms) (2 items)
Ecological competition (2 items)
Ecosystem functions (16 items)
Eutrophication (6 items)
Extinction and extirpation (3 items)
Habitat alteration (13 items)
Migration (organisms) (4 items)
Pollination (3 items)
Succession (biological) (1 items)
Transpiration (3 items)
Related topics:


Results 31 - 40 of 100 listed by similarity [list alphabetically]
Flagstaff Field Center [More info]
Homepage for the Flagstaff Field center with links to space science, water and ice studies, earth sciences, biological resources, Grand Canyon Monitoring and Research Center, outreach & education, data and software, and images.
Flying by Night: USGS Scientists Put Technology to Work on Bats [More info]
Short description of techniques used to monitor migration patterns and behavior of bats in New Mexico.
PDF Forecasting the effects of land-use and climate change on wildlife communities and habitats in the lower Mississippi Valley [More info]
Describes the analytical process by which spatial scientific information contributes to forecasts and models in support of regional and local decision-making.
Genetics and molecular tools [More info]
Describes the value of molecular biology genetic tools in enhancing the delineation of the genetic diversity and the effects of environmental degradation on living species. Links to research, which differentiated two species of sage-grouse.
Geologic framework and process of the Lake Pontchartrain Basin [More info]
Field methods, topics of investigation, shoreline changes, publications, and satellite imagery related to geologic and hydrologic processes affecting Lake Pontchartrain and adjacent lakes which form a large estuary in the Gulf Coast region.
Geospatial Multi-Agency Coordination (GeoMAC) wildland fire perimeters, 2008 [More info]
Where the fires were, as GIS data in shapefile format, geographic coordinates, NAD83.
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.
PDF Hawaiian duck's future threatened by feral mallards [More info]
The greatest threat to the future of the Koloa maoli as a unique species is cross-breeding with the introduced Mallard duck. This type of threat is termed genetic extinction.
Hurricane Katrina photographs August 30, 2005 [More info]
Photographic survey of the impacts of Hurricane Katrina on the barrier islands, barrier shoreline, and the Mississippi River Delta along the Louisiana coastline. Primary focus is on the ecosystems such as fish, rookeries, and seagrass beds.
Hydrologic studies in the Upper Klamath Basin, Oregon [More info]
Overview of Klamath ecological research and links to USGS Klamath studies on ground water, nutrients, sediment oxygen demand, and fish response to water quality, sucker ecology, publications, bibliographies, and data.
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