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Bridging the gaps between non-invasive genetic sampling and population parameter estimation

European Journal of Wildlife Research volume 57, pages 1–13 (2011)Cite this article

Abstract

Reliable estimates of population parameters are necessary for effective management and conservation actions. The use of genetic data for capture–recapture (CR) analyses has become an important tool to estimate population parameters for elusive species. Strong emphasis has been placed on the genetic analysis of non-invasive samples, or on the CR analysis; however, little attention has been paid to the simultaneous overview of the full non-invasive genetic CR analysis, and the important insights gained by understanding the interactions between the different parts of the technique. Here, we review the three main steps of the approach: designing the appropriate sampling scheme, conducting the genetic lab analysis, and applying the CR analysis to the genetic results; and present a synthesis of this topic with the aim of discussing the primary limitations and sources of error. We discuss the importance of the integration between these steps, the unique situations which occur with non-invasive studies, the role of ecologists and geneticists throughout the process, the problem of error propagation, and the sources of biases which can be present in the final estimates. We highlight the importance of team collaboration and offer a series of recommendations to wildlife ecologists who are not familiar with this topic yet but may want to use this tool to monitor populations through time.

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Acknowledgements

We thank K. Griffin, P. Ciucci, and J. Boulanger for helpful comments on the first draft of this paper. F. Marucco was supported by the Regione Piemonte, Progetto Lupo Piemonte, Parco Naturale Alpi Marittime. M. Schwartz was supported by a PECASE award during the writing of this manuscript.

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Authors and Affiliations

  1. Progetto Lupo Piemonte, Centro Gestione e Conservazione Grandi Carnivori, Piazza Regina Elena 30, Valdieri, 12010, Italy

    Francesca Marucco

  2. Department of Human and Animal Biology, University of Roma “La Sapienza”, Rome, Italy

    Luigi Boitani

  3. Wildlife Biology Program, Department of Ecosystem and Conservation Sciences, University of Montana, Missoula, MT, 59812, USA

    Daniel H. Pletscher

  4. USDA Forest Service Rocky Mountain Research Station, 800 East Beckwith Ave, Missoula, MT, 59801, USA

    Michael K. Schwartz

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  1. Francesca Marucco
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  2. Luigi Boitani
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  4. Michael K. Schwartz
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Correspondence to Francesca Marucco.

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Communicated by C. Gortázar.

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Marucco, F., Boitani, L., Pletscher, D.H. et al. Bridging the gaps between non-invasive genetic sampling and population parameter estimation. Eur J Wildl Res 57, 1–13 (2011). https://doi.org/10.1007/s10344-010-0477-7

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  • DOI: https://doi.org/10.1007/s10344-010-0477-7

Keywords

  • Capture-mark-recapture
  • Genetic
  • Molecular tagging
  • Non-invasive
  • Population size