Data on Population Dynamics of Three Syntopic Newt Species from Western Romania
Journal Title: Ecologia Balkanica - Year 2011, Vol 3, Issue 2
Abstract
We studied the population dynamics of three syntopic newt species [Mesotriton alpestris (Laurenti, 1768), Lissotriton vulgaris (Linnaeus, 1758) and Triturus cristatus (Laurenti, 1768)] in Zarand Mountains (Arad County, Romania). M. alpestris had the shortest aquatic phase, approximately two months, out of which the nuptial display was 2-3 weeks long. L. vulgaris and T. cristatus spent three months in the habitat, having a nuptial display of 2-3 weeks for L. vulgaris, and of 4-5 weeks for T. cristatus. M. alpestris had the highest degree of reproductive synchronization, while this was the lowest at T. cristatus. Males from all three species had a higher affinity for the aquatic habitat than females. The population size was estimated at 769 for L. vulgaris, 588 for T. cristatus, and 294 for M. alpestris. Balanced sex ratio was observed in the peak of breeding activity for all species.
Authors and Affiliations
Alfred-S. Cicort-Lucaciu, Nicoleta-R. Radu, Cristiana Paina, Severus-D. Covaciu-Marcov, Istvan Sas
Keywords
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