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The North American Breeding Bird Survey (BBS) is a large-scale, long-term mon...
The Breeding Bird Survey (BBS) is a standardized and one of the rare long-term databases of ecological communities. The BBS permits us to understand long-term changes in North... -
USGS Land Cover Institute
The USGS and other agencies and organizations have produced land cover data to meet a wide variety of spatial needs. The USGS LCI has been established to provide access to, and...
