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Ecology
Study of the relations between living plants and animals and their environment.
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Results 51 - 60 of 133 listed by similarity [list alphabetically]
Forum on Wildlife Telemetry - Innovations, Evaluations, and Research Needs [More info]
Papers from Forum on Wildlife Telemetry, Snowmass Village, CO, 1997 about innovations in transmitting and receiving systems, attachment techniques, collection of data using telemetry, data processing and analysis. Available as *.zip file to download.
PDF 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 Estuaries Integrated Science Strategy [More info]
A white paper describing a plan for USGS research in Gulf of Mexico estuaries, developed in 2001 using Tampa Bay as an example with links to program strategy and design.
Historical interrelationships between population settlement and farmland in the conterminous United States, 1790 to 1992 [More info]
Chapter from Land Use History of the North America on the results of a study to understand the interactions of population growth, urbanization, and agricultural activity over time.
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.
PDF Impacts of Low-Flow and Stream-Temperature Changes on Endangered Atlantic Salmon - Current Research [More info]
Recent physical changes over time, including trends toward earlier snowmelt runoff, decreasing river ice, and increasing spring water temperatures, may affect salmon populations; we want to know how important these effects are.
PDF Integrating agriculture and conservation [More info]
We conducted a national landowner survey, evaluated short-term vegetation responses to land management practices (primarily grazing, haying, and burning), and initiating a long-term vegetation monitoring study for wetland buffers.
Interagency Grizzly Bear Study Team (IGBST) [More info]
Description of research program for immediate and long-term management of grizzly bears (Ursus arctos horribilis) inhabiting the Greater Yellowstone Ecosystem. Includes links to reports in PDF format and cooperating organizations.
Invasive crayfish in the Pacific Northwest [More info]
These organisms have negative effects on local ecosystems, but we don't yet know how extensively they have spread. Here is a key to help people identify them.
Invasive species research [More info]
Links to research projects that will improve the ability to detect, monitor, and predict the effects of invasive species, including exotic animals, on native ecosystems of the Pacific Southwest (California, Nevada, Utah, and Arizona).
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