Please use this identifier to cite or link to this item: https://biore.bio.bg.ac.rs/handle/123456789/3580
Title: Reproductive characteristics of two Triturus species (Amphibia: Caudata)
Authors: Vučić, Tijana 
Ivanović, Ana 
Nikolić, Sonja 
Jovanović, Jovana
Cvijanović, Milena
Keywords: life history traits;hybrid zone;Salamandridae;Triturus
Issue Date: 17-Jun-2020
Rank: M23
Project: Diversity of the amphibians and reptiles on the Balkan Peninsula: evolutionary and conservation aspects 
Journal: Archives of Biological Sciences
Abstract: 
During three consecutive years, we compared the reproductive characteristics and oviposition dynamics of two crested newt species, Triturus ivanbureschi and T. macedonicus. These two well-defined species are of special interest because of complex interactions at their contact zone, which include hybridization, species replacement and asymmetric mitochondrial DNA introgression. In common garden experiments, females were introduced to conspecific males, to males of other species and to hybrid males. We monitored the total number and size of the deposited eggs, as well as the dynamics and duration of oviposition during three consecutive years. The number of deposited eggs of Triturus species was much higher than previously reported. Triturus macedonicus lay more eggs that were of larger size in comparison to T. ivanbureschi. Also, the onset of T. macedonicus oviposition was considerably delayed compared to T. ivanbureschi. These are fundamental data, important for understanding complex species interactions in their contact zones.
Description: 
Grants No. 451-03-68/2020 and 451-03-68/2020-14/200178
URI: https://biore.bio.bg.ac.rs/handle/123456789/3580
DOI: 10.2298/ABS200328026V
Appears in Collections:Journal Article

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