An Integrated Sampling and Analysis Approach for Improved Biodiversity Monitoring |
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Authors: | Amielle A DeWan and Elise F Zipkin |
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Institution: | (1) Conservation Planning, Defenders of Wildlife, 1130 17th Street N.W., Washington, DC 20036-4604, USA;(2) USGS Patuxent Wildlife Research Center, 12100 Beech Road, Laurel, MD 20708, USA |
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Abstract: | Successful biodiversity conservation requires high quality monitoring data and analyses to ensure scientifically defensible
policy, legislation, and management. Although monitoring is a critical component in assessing population status and trends,
many governmental and non-governmental organizations struggle to develop and implement effective sampling protocols and statistical
analyses because of the magnitude and diversity of species in conservation concern. In this article we describe a practical
and sophisticated data collection and analysis framework for developing a comprehensive wildlife monitoring program that includes
multi-species inventory techniques and community-level hierarchical modeling. Compared to monitoring many species individually,
the multi-species approach allows for improved estimates of individual species occurrences, including rare species, and an
increased understanding of the aggregated response of a community to landscape and habitat heterogeneity. We demonstrate the
benefits and practicality of this approach to address challenges associated with monitoring in the context of US state agencies
that are legislatively required to monitor and protect species in greatest conservation need. We believe this approach will
be useful to regional, national, and international organizations interested in assessing the status of both common and rare
species. |
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