The phenology of a rare salamander (Salamandra infraimmaculata) in a population breeding under unpredictable ambient conditions: a 25 year study

Michael R. Warburg

Abstract


This is a long-term study (1974-1999) on the phenology of the rare, xeric- inhabiting salamander Salamandra infraimmaculata in a small isolated population during the breeding season near the breeding ponds on Mt. Carmel. This is a fringe area of the genus’ south-easternmost Palaearctic distribution. Salamanders were captured during the 25 year long study. The first years up to the 1980s the total number of salamanders increased but during the last years there seems to have been a decline. Although this could be a phase in normal population cyclic oscillations nevertheless when compared with long-term data on a European Salamandra it does not seem so. The interpretation of the species’ status is dependent on numbers of salamanders captured as well as on the duration of the study. These subjects are reviewed and discussed in this paper.

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DOI: http://dx.doi.org/10.13128/Acta_Herpetol-2222




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