Locating Waterfowl Observations on Aerial Surveys

We modified standard aerial survey data collection to obtain the geographic location for each waterfowl observation on surveys in Alaska during 1987-1993. Using transect navigation with GPS (global positioning system), data recording on continuously running tapes, and a computer data input program,...

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Bibliographic Details
Published in:Wildlife Society bulletin 1995-07, Vol.23 (2), p.148-154
Main Authors: Butler, William I., Hodges, John I., Stehn, Robert A.
Format: Article
Language:English
Subjects:
Aircraft
Animal populations
Birds
Geese
Geodetic position
Geographic information systems
Geographical surveys
Global positioning systems
Navigation
Observation aircraft
Perceptual localization
Surveys
Waterfowl
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Summary:We modified standard aerial survey data collection to obtain the geographic location for each waterfowl observation on surveys in Alaska during 1987-1993. Using transect navigation with GPS (global positioning system), data recording on continuously running tapes, and a computer data input program, we located observations with an average deviation along transects of 214 m. The method provided flexibility in survey design and data analysis. Although developed for geese nesting near the coast of the Yukon-Kuskokwim Delta, the methods are widely applicable and were used on other waterfowl surveys in Alaska to map distribution and relative abundance of waterfowl. Accurate location data with GIS analysis and display may improve precision and usefulness of data from any aerial transect survey.
ISSN:0091-7648
1938-5463