2011 Toolik Field Station Avian Point Count Data
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https://cmr.earthdata.nasa.gov/search/concepts/C1214598109-SCIOPS.html
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资源简介：
Weekly point count surveys were conducted at nineteen points along four routes near Toolik Field Station from late May to late July in 2011 using the methods described by the Alaska Landbird Monitoring Survey. At each point, an observer stood for ten minutes and recorded each individual bird detected, method of detection, and radial distance to the bird.
提供机构：
SCIOPS
