USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS
You are here: Categories > Topics > Population and community ecology
Help
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 141 - 150 of 268 listed by similarity [list alphabetically]
PDF Lake monitoring field manual [More info]
Handbook on monitoring methods for lake management, including program design, sampling methods and protocol, biota and chemical sampling methods, laboratory methods, preservation of data and samples, glossary, and bibliography. (PDF file, 92 pp.)
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.
Leetown Science Center [More info]
Homepage for the Leetown Science Center in West Virginia conducting research on aquatic and terrestrial organisms and their supporting ecosystems with links to directions, general description, library, projects, fact sheets, and facilities.
Limber pine communities [More info]
Report on status and trends of limber pine communities with references.
Louisiana coastal land loss [More info]
Homepage for Louisiana coastal land loss, including links to press release, animation of wetland loss, and PDF digital images of land change maps.
PDF Macroinvertebrate and algal community sample collection methods and data collected at selected sites in the Eagle River watershed, Colorado, 2000-07 [More info]
Macroinvertebrate data collected by USGS or USFS from 73 sites from 2000 to 2007 and algal data collected from up to 26 sites between 2000 and 2001 in the Eagle River watershed, with emphasis on methods of sample collection and data processing.
Managing habitat for grassland birds: a guide for Wisconsin [More info]
Guide to identification, selection, and management of grassland habitats in Wisconsin to conserve the populations of grassland birds. Includes glossary, references, bird lists, graphs, and maps.
PDF Mapping grasslands suitable for cellulosic biofuels in the Greater Platte River Basin, United States [More info]
Study to identify grasslands that may be suitable for cellulosic feedstock production. Producing ethanol from non-cropland areas such as grassland will minimize the effects of biofuel developments on global food supplies.
PDF Mapping perennial vegetation cover in the Mojave Desert [More info]
Field data and satellite images allow us to make a calibrated model of percent vegetation cover, which we can use to inform scientific investigations and land management efforts.
Maps of distribution and abundance of selected species of birds on uncultivated native upland grasslands and shrubsteppe in the northern Great Plains [More info]
Links to maps of breeding distributions of bird species on grasslands and shrublands in the northern Great Plains. Maps can also be downloaded from *.zip files in HTML format.
Result pages:FirstPrevious ... 9 10 11 12 13 14 15 16 17 18 19 20 ... NextAll
Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=319&b=140&n=10
Page Contact Information: Ask USGS