Bobolink US Breeding Range

Jul 12, 2016
Uploaded by Dan Lambert
Description:
We defined a species range as a coarse representation of the total areal extent of a species or the geographic limits within which a species can be found (Morrison and Hall 2002). To represent these geographic limits, we used a national database of standardized 12-digit hydrological units (HUCs; U.S. Geological Survey and U.S. Department of Agriculture, Natural Resources Conservation service 2009). Ranges maps were compiled and attributed with information from SWReGAP, SEGAP, NatureServe, and IUCN. Each range map contains information regarding occurrence/presence, origin, reproductive use, and seasonal use.
Data Provided By:
Layer created by Rosalind Renfrew with data provided by the U.S. Geological Survey Gap Analysis Program
Content date:
not specified
Citation:
U.S. Geological Survey Gap Analysis Program. 2011. National GAP vertebrate species range data. http://gapanalysis.usgs.gov/species
Contact Organization:
US Geological Survey
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not specified
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None
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About the Uploader

Dan Lambert
Ecologist with High Branch Conservation Services

I am a wildlife ecologist and conservation project leader with expertise in research, monitoring, and stewardship of vulnerable species and habitats.My work focuses on developing science-based, collaborative approaches to conservation challenges from coastal wetlands to mountain forests. I have led...