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European Journal of Wildlife Research

, Volume 57, Issue 5, pp 1115–1118 | Cite as

Comparing profile methods and site-occupancy modelling for the study of occurrence of an elusive species

  • Jonathan RollandEmail author
  • Mathieu Basille
  • Éric Marboutin
  • Jean-Michel Gaillard
Technical Notes

Abstract

Based on 1,053 signs of presence collected between 2002 and 2006 by a network of well-trained observers, we modelled the occurrence of the Eurasian lynx (Lynx lynx) in France using two methods. The Mahalanobis distance factor analysis (MADIFA) provided a measure of habitat suitability based on environmental covariates, and site-occupancy modelling provided estimates of both presence and detection probabilities over time. Environmental covariates included in the site-occupancy modelling markedly improved the fit of the lynx presence model. We found a strong correlation between habitat suitability scores estimated from the MADIFA and probabilities of presence estimated from the site-occupancy modelling, indicating that both methods provided a convergent assessment of lynx potential occurrence.

Keywords

Detection probability Eurasian lynx Lynx lynx MADIFA Presence Spatial distribution 

Notes

Acknowledgements

We thank Mark Kéry and two anonymous referees for their helpful comments that markedly improved our paper.

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Copyright information

© Springer-Verlag 2011

Authors and Affiliations

  • Jonathan Rolland
    • 1
    • 2
    Email author
  • Mathieu Basille
    • 2
    • 3
  • Éric Marboutin
    • 4
  • Jean-Michel Gaillard
    • 2
  1. 1.École Normale SupérieureParisFrance
  2. 2.Laboratoire de Biométrie et Biologie ÉvolutiveUniversité Lyon 1; CNRS, UMR5558VilleurbanneFrance
  3. 3.Chaire de Recherche Industrielle CRSNG-Université Laval en Sylviculture et Faune, Département de BiologieUniversité LavalQuébecCanada
  4. 4.Office National de la Chasse et de la Faune SauvageGièresFrance

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