Abstract
Quantifying dispersal, a fundamental biological process, is far from simple. Here, both direct and indirect methods were employed to estimate dispersal in an endangered butterfly species. A high and significant correlation between the dispersal patterns, generated by an inverse power function fitted to capture-mark-recapture (CMR) data on the one hand, and population genetic analyses on the other hand, was observed. Stepping-stone type movements were detected by both methods, evidence for the importance of connectivity in the studied metapopulation. These results are particularly relevant to those population and conservation biology studies where quantifying dispersal is essential for the elaboration of successful management actions.
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Acknowledgements
We thank L. Mousson and B. Gerard for help with field work, E. Meglécz for unpublished information, L. Dhondt for help with lab work and M. Evrard for the graphics, O. Ronce and F. Rousset and two anonymous reviewers for insightful comments. This work was funded by the Catholic University Louvain through a “teaching assistant” (mandat d’assistant) grant to S.V., by a grant from the European Commission “Training and Mobility of Researchers” programme on “survival and evolution of species in fragmented landscapes” (TMR-FRAGLAND) to M.B., by a grant from the Ministère de la Région Wallonne to M.B. and by a grant from the Office of Scientific, Technical and Cultural Affairs (Belgian Federal Government) to M.B. Special capture licenses for B. aquilonaris and site access were provided by the Ministère de la Région Wallonne. This is contribution BRC050 from the Biodiversity Research Centre.
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Vandewoestijne, S., Baguette, M. Demographic versus genetic dispersal measures. Popul Ecol 46, 281–285 (2004). https://doi.org/10.1007/s10144-004-0197-5
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DOI: https://doi.org/10.1007/s10144-004-0197-5