variable circular plots

Animas Biological Studies (ABS) is a small organization based in Durango, Colorado, dedicated to wildlife conservation through applied scientific research. It specializes in evaluating impacts of land-use and land management practices on wildlife populations with an emphasis on birds, and collaborates with conservation organizations, federal and state agencies, tribes, environmental consultants and academic institutions.

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avian surveysbiological and environmental assessmentsbird bandingdistance samplingforest cover plotsNest Monitoringnoxious weed surveysvegetative surveyswetland vegetation monitoring