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A pattern-based tool for long-term, large-sample capture-mark-recapture studies of fire salamanders Salamandra species (Amphibia: Urodela: Salamandridae)

Research output: Contribution to journalA1: Web of Science-article


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Original languageEnglish
JournalActa Herpetologica
Issue number1
Pages (from-to)55-63
Publication statusPublished - 2017


Solid population studies depend on reliable capture-mark-recapture (CMR) methodology. The available
methods for such studies on amphibians are often invasive, unsuitable for long-term studies, time-consuming and/
or expensive. We present a new software tool, connected to a MS Access database, ManderMatcher, for CMR study
of fire salamanders (Salamandra salamandra and related species) by means of a robust matching algorithm using 44
pattern characteristics. Metadata related to standardised counts (e.g., weather and lunar variables) as well as a myriad
of individual sighting variables can be entered and saved as well. Application of the presented method to a database
of 9,397 sighting records gathered over a period of eight years, as well as a random sample validation, demonstrate
the accuracy of the applied matching algorithm. Differences with other methods are discussed. The program is made
freely available for download and widespread application is encouraged, especially given the contemporary context of
a fungal disease threatening survival of fire salamander populations.

EWI Biomedical sciences

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