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研究报告 [3]
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The effects of management practices on grassland birds—Rates of Brown-headed Cowbird (<i>Molothrus ater</i>) parasitism in nests of North American grassland birds [研究报告]
10.3133/pp1842PPU.S. Geological Survey. 2019-01-01
Shaffer, Jill A. jshaffer@usgs.gov;  Igl, Lawrence D. ligl@usgs.gov;  Johnson, Douglas H.
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The effects of management practices on grassland birds—An introduction to North American grasslands and the practices used to manage grasslands and grassland birds [研究报告]
10.3133/pp1842AU.S. Geological Survey. 2019-01-01
Shaffer, Jill A. jshaffer@usgs.gov;  DeLong, John P.
View/Download：5/0
 
The influence of local- and landscape-level factors on wetland breeding birds in the Prairie Pothole Region of North and South Dakota [研究报告]
10.3133/ofr20171096U.S. Geological Survey. 2017-01-01
Igl, Lawrence D. ligl@usgs.gov;  Shaffer, Jill A. jshaffer@usgs.gov;  Johnson, Douglas H. douglas_h_johnson@usgs.gov;  Buhl, Deborah A. dbuhl@usgs.gov
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