The Ecology of the Caucasian Salamander (Mertensiella caucasica Waga) in a Local Population

608 9 2373 3 6786 document 2373 05_20.pdf application/pdf d0b02a56210b83d432462889f66e5611 MD5 1367485 2014-01-25 16:36:45 http://eprints.iliauni.edu.ge/608/1/05_20.pdf 608 1 1 application/pdf text en public

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published 2376 2 6802 document 2376 lightbox.jpg image/png dacc95007f582f083725b432f74a5f48 MD5 62996 2014-01-25 16:47:30 http://eprints.iliauni.edu.ge/608/3/lightbox.jpg 608 3 3 image/png other Thumbnails conversion from text to thumbnail_lightbox ge public

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http://eprints.org/relation/isVersionOf http://eprints.iliauni.edu.ge/id/document/2373 http://eprints.org/relation/isVolatileVersionOf http://eprints.iliauni.edu.ge/id/document/2373 http://eprints.org/relation/issmallThumbnailVersionOf http://eprints.iliauni.edu.ge/id/document/2373 archive 22 disk0/00/00/06/08 2014-01-27 11:57:45 2014-01-27 11:57:45 2014-01-27 11:57:45 article show david_tarkhnishvili@iliauni.edu.ge Tarkhnishvili David david_tarkhnishvili@iliauni.edu.ge Serbinova Irina The Ecology of the Caucasian Salamander (Mertensiella caucasica Waga) in a Local Population pub Evolution QEC QL ins5 public -The different aspects of ecology of Mertensiella caucasica Waga, 1876 were investigated in a local population from Borjomi Canyon (central Georgia) for five years (1985-1990). The aspects of the species' life cycle were more precisely determined. The main fecundity is about 16.9 eggs per female. There are about 2 years in a period from egg deposition (June to first half of July) to the end of metamorphosis in nature. Animals have spent most of the time in shelters after metamorphosis. They appear on the ground surface at night during the breeding period. Commonly the adults don't retreat to a great distance from population localities. Localities are situated in comparatively small plots (100-300m) along the streams. Estimation of adult animal number showed that the population consists of 1189 specimens (1989). Annual adult survival is higher than known values of most amphibians (approaches 0.77). Larval survival is 0.27-0.32 in the second year of life. The characteristics of demography (especially, low renewal rates) and spatial restriction in localities depends mostly on subUe constitution of the species (which is a result of allometric growth specifics). The small recent geographical range of M. caucasica is explained as a result of morphological and ecological peculiarities. General morphological constitution limits adaptive possibilities of any particular representative of die European salamander tribe. This is an explanation of quite high ecological similarity of M. caucasica and Chioglossa lusitanica. 1993-12 published Asiatic Herpetological Research 5 Asiatic Herpetological Research Society 147-145 TRUE 1051-3825 http://www.asiatic-herpetological.org/Archive/Volume%2005/05_20.pdf