Testicular Morphologies of Two Sympatric Podarcis Species

IF 0.5 4区 生物学 Q4 BIOLOGY Biology Bulletin Pub Date : 2024-05-31 DOI:10.1134/s106235902360592x
B. Baycan, D. Kurtul, B. Boran, C. N. Özgül, Ç. Gül, M. Tosunoğlu
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Abstract

The reproductive strategies of reptiles vary according to many factors. In lizards, intraspecific and interspecific competition, and environmental and seasonal factors affect their reproductive biology. This study aimed to conduct a comparative analysis of testis sizes in the sympatrically coexisting species, Podarcis muralis and Podarcis tauricus, located in Kofçaz, Kırklareli, Turkey, considering both intra-species and inter-species variations. Changes in body sizes and testis sizes according to months were monitored. As a result, it was determined that in both species, there was a positive correlation between body size and testis size, and that in P. tauricus, both body and testis sizes were higher compared to P. muralis, showing a significant difference. It was also observed that in the P. muralis species, the testis size reached its peak value in April (mean daily temperature 9.9°C), while in the P. tauricus species, it reached the highest value in May (mean daily temperature 15.5°C). It was found that the testis size in P. muralis reached its lowest value in August (mean daily temperature 23.8°C), while in P. tauricus, it was lowest in September (mean daily temperature 20.2°C). The fact that testis size is high in different months in these two sympatric species suggests that their active breeding periods differ.

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两个同域 Podarcis 物种的睾丸形态
摘要爬行动物的繁殖策略因多种因素而异。在蜥蜴中,种内和种间竞争以及环境和季节因素都会影响其生殖生物学。本研究旨在对位于土耳其克尔克拉雷利Kofçaz的同域共存物种Podarcis muralis和Podarcis tauricus的睾丸大小进行比较分析,同时考虑种内和种间的变化。研究人员监测了不同月份的体型和睾丸大小的变化。结果表明,在这两个物种中,体型和睾丸大小之间存在正相关,金牛鹦鹉的体型和睾丸大小均高于壁虎鹦鹉,两者之间存在显著差异。研究还发现,壁虎的睾丸大小在 4 月份达到最高值(日平均气温 9.9°C),而金牛的睾丸大小在 5 月份达到最高值(日平均气温 15.5°C)。研究发现,壁虎睾丸的最小值出现在 8 月份(日平均气温 23.8°C),而金牛睾丸的最小值出现在 9 月份(日平均气温 20.2°C)。这两个同域物种的睾丸大小在不同月份都很高,这表明它们的繁殖活跃期不同。
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来源期刊
Biology Bulletin
Biology Bulletin 生物-生物学
CiteScore
0.70
自引率
20.00%
发文量
84
审稿时长
4-8 weeks
期刊介绍: Biology Bulletin (Izvestiya Rossiiskoi Akademii Nauk – Seriya Biologicheskaya) is an interdisciplinary journal of general biology. It focuses on fundamental studies in the fields of cell biology, biochemistry, zoology, botany, physiology, and ecology. This journal publishes current materials of experimental studies and surveys on current problems in general biology. It also publishes information on scientific conferences and new books in the fields of general biology.
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