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Estimating Orangutan Densities Using the Standing Crop and Marked Nest Count Methods: Lessons Learned for Conservation

Spehar, Stephanie N.; Mathewson, Paul D.; Wich, Serge A.; Marshall, Andrew J.; Kühl, Hjalmar; Meijaard, Erik


Reliable estimates of great ape abundance are needed to assess distribution, monitor population status, evaluate conservation tactics, and identify priority populations for conservation. Rather than using direct counts, surveyors often count ape nests. The standing crop nest count (SCNC) method converts the standing stock of nests into animal densities using a set of parameters, including nest decay rate. Nest decay rates vary greatly over space and time, and it takes months to calculate a...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Biotropica
DOI: 10.1111/j.1744-7429.2010.00651.x


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