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
Help
Population and community ecology
Interactions of a single species (population) or an association of different species (community) occupying a particular region, including their biotic and abiotic environments.
Subtopics:
Animal behavior (27 items)
Biodiversity (26 items)
Biogeography (73 items)
Community ecology (13 items)
Ecosystems (264 items)
Habitats (30 items)
Phenology (11 items)
Population dynamics (35 items)
Symbiosis (1 items)

Radar ecology (2 items)
Related topics:


Results 101 - 110 of 385 listed alphabetically [list by similarity]
PDF Demography of the Pryor Mountain wild horses, 1993-2007 [More info]
Population size, foaling, deaths, age structure, sex ratio, age-specific survival rates, and more over a 14 year time span. This information will help land and wildlife managers find the best maintenance and conservation strategies.
Desert tortoise research at Western Ecological Research Center (WERC) [More info]
Links to research studies, conservation information, and general information on desert tortoises at the Western Ecological Research Center in Sacramento, California.
Deserts, geology and resources [More info]
Online edition of booklet describing desert geology and mineral resources.
PDF Detailed seafloor habitat mapping to enhance marine-resource management [More info]
We conduct systematic imaging of reef habitats in order to provide regulatory agencies with information they need to decide whether those reefs should be designated as protected areas.
PDF Detecting Evidence of Climate Change in the Forests of the Eastern United States [More info]
The relation between seasonal forest change and weather is being tracked and analyzed by comparing precise field observations to regional patterns shown in long-term satellite imagery.
Determinants of breeding distributions of ducks [More info]
Article from Wildlife Monographs no. 100 (1988) on the relationships of wetland habitat dynamics and life history to the breeding distributions of the various species of ducks with information on research methods and references.
Diatoms: applications [More info]
Use of diatoms in biostratigraphy, coastal and estuarine studies, paleoceanology, paleoliminology, earthquake studies, environmental quality and forensic studies. Includes listing of USGS diatom projects and links to other diatom websites.
Digital representation of tree species range maps from "Atlas of United States trees" by Elbert L. Little, Jr. (and other publications) [More info]
Maps of the ranges of tree species in North America compiled by Elbert Little and others were digitized for use in USGS vegetation and climate modeling studies. Can be downloaded as ArcView shapefiles and in PDF graphic files.
Dragonflies and damselflies (Odonata) of the United States [More info]
Manual on dragonflies and damselflies (Odonata), with links to photo thumbnails, checklists, distribution maps, and other Odonata information.
Duckdata: a bibliographic data base of North American waterfowl (Anatidae) and their wetland habitat [More info]
Comprehensive bibliography on the ecology, conservation, and management of North American waterfowl and their wetland habitats. Facilitates searching or downloading as *.zip files and use with ProCite utility.
Result pages:FirstPrevious ... 5 6 7 8 9 10 11 12 13 14 15 16 ... 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?thcode=2&term=921&b=100&n=10&order=alpha
Page Contact Information: Ask USGS