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This dataset contains maps of land cover patterns across the conterminous United States. Dataset Location: Ecological Archives Site Location: Lower 48, United Stated Sites Georeffereneced: Yes Timespan: 1991-1993 Methods: Images were collected from Landsat Thematic Mapper at a 30 m resolution and classified to land cover type and spatial filters...MORE
This is a paper published in PNAS about patterns of decilne in North American bumble bees that is quite broad in scope (netted and identified 9,006 bumble bees in the west and 7,832 in the east at 382 sites across North America between 2007 and 2009 and constructed a database...MORE