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Integration of Satellite Telemetry Data and Land Cover Imagery: A Study of Migratory Cranes in Northeast Asia

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Abstract:

Abstract

The present study describes a procedure for quantitatively analyzing satellite telemetry data to identify interspecific land use differences among four threatened crane species. The inherent inaccuracy of satellite telemetry data points, the temporal autocorrelation of those points, and the resolution of two land-cover imagery products from the IGBP-DISCover Global Land-Cover Characterization Project (derived from AVHRR data) were assessed and integrated in a GIS. Satellite telemetry is a system where animals are tracked using battery-operated transmitters and locations are calculated using triangulation from satellites. Using the variable spatial inaccuracy of the telemetry locations, each point was buffered using a radius based on the accuracy of the point, and then intersected with the land cover imagery. The research concluded that the methodology is valuable for studies of birds at a regional scale, with interspecific differences clearly evident, but that diurnal and nocturnal differences were not discernable due to the coarse resolution of both satellite telemetry and land-cover data.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/1467-9671.00161

Affiliations: 1: Department of Biological Sciences University of North Carolina, Wilmington 2: Laboratory of Biodiversity Science University of Tokyo 3: Department of Earth Sciences University of North Carolina, Wilmington

Publication date: March 1, 2003

bpl/tgis/2003/00000007/00000004/art00006
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