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 390 listed alphabetically [list by similarity]
Current research at the Patuxent Wildlife Research Center [More info]
Search interface for current research activities at the Patuxent Wildlife Research Center, located in Maryland north of Washington DC
Data for giant constrictors - Biological management profiles and an establishment risk assessment for nine large species of pythons, anacondas, and the boa constrictor [More info]
Locations for nine species of large constrictors, from published sources, along with monthly precipitation and average monthly temperature for those locations. Shapefiles for each snake species studied.
PDF Decision-support systems for natural-hazards and land-management issues [More info]
Three mathematical models using information about the geographic distribution and character of land surface characteristics along with proposed modifications or plausible events to determine the likely costs and benefits of actions and events.
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.
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