Waterbird data included in analyses.
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资源简介：
aData for the long-term population trend analyses includes data collected during semiannual waterbird counts across the state (Refuge and non-Refuge wetlands) for years spanning 1986–2007.bData for the seasonal occupancy analysis includes data collected only on Refuges for years spanning 1989–2013.
创建时间：
2015-12-02
