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    Description

    Population census size (NC) and effective population sizes (Ne) are two crucial parameters that influence population viability, wildlife management decisions, and conservation planning. Genetic estimators of both NC and Ne are increasingly widely used because molecular markers are increasingly available, statistical methods are improving rapidly, and genetic estimators complement or improve upon traditional demographic estimators. We review the kinds and applications of estimators of both NC and Ne, and the often undervalued and misunderstood ratio of effective-to-census size (Ne/NC). We focus on recently improved and well evaluated methods that are most likely to facilitate conservation. Finally, we outline areas of future research to improve Ne and NC estimation in wild populations.

    Publication Notes

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    Citation

    Luikart, Gordon; Ryman, Nils; Tallmon, David A.; Schwartz, Michael K.; Allendorf, Fred W. 2010. Estimation of census and effective population sizes: the increasing usefulness of DNA-based approaches. Conservation Genetics. 11: 355-373.

    Keywords

    population size estimation, noninvasive sampling, remote genetic monitoring, abundance, bottleneck, Ne/NC ratio, habitat fragmentation

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