PIF
Landbird Population Estimates Database 
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USER GUIDE
This document describes the content of the Partners in Flight (PIF) Population
Estimates Database (http://www.rmbo.org/pif_db/laped/about.aspx),
which provides population estimates for North American landbirds at several
geographic scales. It also provides details about how the estimates were
derived, some information on potential uses of the data and caveats, and future
directions for revising these estimates.
Click here
to dowload the complete guide.
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Copyright 2007 Rocky Mountain Bird Observatory. All Rights Reserved.
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