2ndPA_BirdAtlas_bird_counts
收藏官方服务：
资源简介：
Point Count bird data for Second Atlas of Breeding Birds in Pennsylvania (2004-2009), Wilson et al. 2012. Wilson, A.M., D.W. Brauning and R.S. Mulvihill (eds). 2012. Second Atlas of Breeding Birds in Pennsylvania. Penn State Press, University Park, PA. NOTE: Count duration was 6 minutes and 15 seconds (5 times 75 second time bands) Singing birds were recorded in time bands There were two distance bands: <75 m, > 75 m (unlimited) Data for 33, 766 point count locations.
创建时间：
2019-01-01
