Journal Article 2 North American Breeding Bird Survey National Land Cover Database 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 abundance 1 agriculture 1 mehr ... anthropogenic 1 climate change 1 drought 1 dynamic occupancy models 1 extreme weather 1 global change 1 land cover change 1 pasture 1 temperate grassland 1 temporal scale 1 weniger ...