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Biological caracteristic and behaviour of species Triturus vulgaris L.(Ampibia, Caudata) in Central part of Codri


Author: Plop Larisa
Degree:doctor of biology
Speciality: 03.00.08 - Zoology
Year:2011
Scientific adviser: Ion Toderaş
doctor habilitat, professor, Institute of Zoology
Institution: Moldova State University
Scientific council:

Status

The thesis was presented on the 28 September, 2011
Approved by NCAA on the 22 December, 2011

Abstract

Adobe PDF document – 4.74 Mb / in romanian

Keywords

common newt, spatial distribution, biometrical parameters, biometric indexes, sexual dimorphism, nuptial colour, reproductive behaviour, embryonic stages, larval stages, growth, fecundity, reproductive success

Summary

PLOP Larisa "Biological caracteristic and behaviour of species Triturus vulgaris L. (Ampibia, Caudata) in Central part of Codri. PhD Thesis in biology, Chisinau, 2011. Key words: common newt, spatial distribution, biometrical parameters, biometric indexes, sexual dimorphism, nuptial colour, reproductive behaviour, embryonic stages, larval stages, growth, fecundity, reproductive success. Field of study: 03.00.08 - Zoology. Purpose of thesis: to establish a comprehensive system of knowledge on biology, ecology and ethology of common newt in the Central Forest ecosystems, to assess intrapopulation to perpetuate specific, ecological status and the development of effective methods of conservation. To achieve this goal, the following objectives were outlined: to assess the structure, spatial distribution, seasonal dynamics and population number, the specificity of the annual reproductive cycle based on abiotic and biotic factors of the habitats, behaviour and reproductive success, ecological status common newt populations in the ecosystems of Central Forest conservation and development measures. Theoretical significance. For the first time there was accomplished a comprehensive and fundamental study of biology, ecology and ethology of the common newt in natural ecosystems of the country to establish specific mechanisms to perpetuate the species intra-population strongly fluctuating environmental conditions. The results contribute to strengthening the concept of specificity of the common newt population reproduction strategy in different environmental conditions of ecosystems. Data regarding the nuptial behaviour of the common newt under natural conditions are mainly new on the local and regional levels and extend the essential concept of systems of courtship arsenal courting pictures of the genus Triturus. Applied value of the thesis. The results of scientific investigations and methodological support are important in achieving sustainable monitoring and restoration of common salamander population in the ecosystems of the country. Diagnostic tables of embryonic and larval stages under natural conditions, developed for the first time, are used by batracologists, ecologists, hydrobiologists and other scholars in the field of applied research hydrobiontes on natural ecosystems. Developed practical recommendations will be used in the Natural Reservation "Codrii" by specialists to improve the environmental status of the common newt population. Results of research are used in teaching in university, including theoretical courses and practical teaching of the Vertebrate Zoology, Moldova Fauna, and General Biology, Organic Ethology, fundamentals of applied Herpetology, eco-evolutionary Ethology.