Ring density data
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资源简介：
Data file of ring density scans of marked and unmarked red knots, with the columns "Year", "Yearday" (from 130 (10 May) to 150 (30 May)), "K" (total number of birds checked for marks during a scan) and "m" (the number of marked birds in the scan). Scans have been performed with replacement.
创建时间：
2019-01-01
