The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 05. Weather conditions, breeding date and population fluctuation in Rana dalmatina from central Romania

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Open Access

pp. 40-44
Authors: Hartel, Tibor

Abstract: As ectotherm vertebrates, amphibians are sensitive to weather conditions, which may influence the start of the breeding season, body condition and survival during the winter. If climatic conditions change at large spatial and temporal scales, this can have adverse effects on amphibians, including susceptibility to disease. In this study, I recorded the start of the breeding season (males and females separately) and monitored population size in a Rana dalmatina population over an 11-year period. I found no indication of an early extension of the breeding season or a significant population trend. Initiation of breeding and the size of the population were significantly negatively correlated with temperature and precipitation in February. The growth rate of the population is significantly related to density. This result suggests that if the climate change results in drier springs, this population of R. dalmatina may be adversely affected.

Keywords: TÂRNAVA MARE BASIN, BREEDING, CLIMATIC CONDITIONS

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