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Field sampling
Collecting pieces or specimens or making measurements or observations at determined intervals or areas. Results may be used as representative of the whole research area or population.
Subtopics:
Animal tracking (12 items)
Capturing (animals) (12 items)
Drilling and coring (16 items)
Plant and animal tagging (5 items)
Plot sampling (2 items)
Sexing (plants & animals) (2 items)
Specimen collecting (10 items)
Transect sampling (1 items)
Water sampling (42 items)

Fish inventories (6 items)


Results 11 - 20 of 105 listed by similarity [list alphabetically]
Apoidea -- Bees and Sphecid Wasps [New Window]
Guide to the identification, biology, and ecology of bees and sphecid wasps, mostly in eastern North America.
Arctic National Wildlife Refuge, 1002 Area, petroleum assessment, 1998, including economic analysis [New Window]
Arctic National Wildlife Refuge (ANWR) 1002 area's petroleum resource assessment. Text available in PDF and HTML formats.
Arsenic in ground water of the United States [New Window]
Information on arsenic in United States ground water largely as a result of minerals dissolving from weathered rocks and soils. Includes links to publications, data, maps, and links to other sites with information on arsenic.
Avian Influenza: Information and on-going research at the USGS Alaska Science Center [New Window]
Maps and information about potential spread of avian influenza in migratory birds in Alaska. Includes descriptions and photos of the waterfowl that are being monitored.
Bat research in California [New Window]
Brief review of bat research in the San Francisco Bay area and southern California providing land managers with information on the occurrence and status of bat species with links to bat inventories for California and related material.
Bedrock and soil geochemistry from Voyageurs National Park, Minnesota [New Window]
Maps and text (Word or PDF format) and database (Excel or HTML format) for bedrock, forest floor, and mineral soil sampling in Voyageurs National Park, Minnesota to establish the background and baseline geochemistry and terrestrial mercury sources.
Biogeochemical and geohydrologic processes in a landfill-impacted alluvial aquifer, Norman, Oklahoma [New Window]
Discussion and links to research for the multi-disciplinary investigation on the Norman Landfill located on alluvium associated with the Canadian River in central Oklahoma.
Biosolids, Animal Manure, and Earthworms: Is There a Connection? [New Window]
Research findings and examples of application to real problems--how household contaminants accumulate in and effect the environment
Bird Banding Laboratory: the North American Bird Banding Program [New Window]
Bird banding is used to study the movement, survival and behavior of birds. The Bird Banding Laboratory Site has links to the value, procedure and history of bird banding, how to report bird bands (English & Spanish), and resources for birders.
PDF Buck Island Reef National Monument Sea Turtle Research Program: Sea turtle nesting research & monitoring protocols manual [New Window]
Manual for research program on the nesting habits of sea turtles of the Virgin Islands, with descriptions of species, nesting behavior, observation methods, record keeping, tagging, and tissue sample collection. (PDF file, 121 pp.)
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