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Field methods
Research procedures and instrumental means to measure, collect data and samples, and observe in the natural areas where the materials, phenomena, structures, or species being studied occur.
Subtopics:
Field experiments (9 items)
Field inventory and monitoring (382 items)
Field sampling (141 items)
Geolocation measurement (39 items)
Real-time monitoring and reporting (174 items)
Results 131 - 140 of 617 listed alphabetically [list by similarity]
PDF Flood inundation map library, Fort Kent, Maine [More info]
Severe flooding occurred in northern Maine from April 28 to May 1, 2008, and damage was extensive in the town. Aroostook County was declared a Federal disaster area. Our flood inundation maps were out of date, so we have updated them; this explains how.
PDF Floods of May 2006 and April 2007 in Southern Maine [More info]
Characteristics and consequences of some extreme storm events
PDF Floor of Lake Tahoe, California and Nevada [More info]
Postcard available for downloading and printing.
PDF Floristic Quality Index: An assessment tool for restoration projects and monitoring sites in coastal Louisiana [More info]
Explains how we assessed the quality of a wetland as indicated by its plant species composition and abundance for marsh and swamp sites, to summarize the effectiveness of restoration projects in Louisiana.
Fluvial geomorphology studies in Kansas [More info]
Report of completed studies that have investigated the response of river and stream channels in Kansas to a variety of human-caused and natural disturbances.
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.
Forest and Rangeland Ecosystem Science Center: Fact Sheets [More info]
Access to Forest and Rangeland Ecosystem Science Center fact sheets on fish, fish diseases, aquatic resources, and other projects and activities.
Fort Collins Science Center [More info]
Homepage of the Fort Collins Science Center in Colorado with links to programs in ecological research programs, staff directory, products library, news and events, and research features and spotlights.
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.
Frequent arousal from hibernation linked to severity of infection and mortality in bats with white-nose syndrome [More info]
By attaching data loggers to bats, we found bats infected with white-nose syndrome awoke from hibernation more frequently, which may contribute to increased mortality.
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