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Landbird population trends in mountain and historical parks of the North Coast and Cascades Network: 2005–2016 synthesis [研究报告]
National Park Service. 2018-01-01
Ray, Chris;  Saracco, James F.;  Holmgren, Mandy;  Wilkerson, Robert L.;  Siegel, Rodney B.;  Jenkins, Kurt J. kurt_jenkins@usgs.gov;  Ransom, Jason I.;  Happe, Patricia J.;  Boetsch, John R.;  Huff, Mark H.
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