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（帕拉斯，1771年）高海拔种群中的年龄结构、体型和两性异形

Age Structure, Body Size, and Sexual Dimorphism in a High-Altitude Population of (Pallas, 1771).

作者信息

Gül Serkan, Dursun Cantekin, Tabak Ceren, Büyüksofuoğlu Sümeyye, Özdemir Nurhayat

机构信息

Department of Biology, Faculty of Arts and Sciences, Recep Tayyip Erdoğan University, 53100 Rize, Türkiye.

Department of Biology, Faculty of Science, Karadeniz Technical University, 61080 Trabzon, Türkiye.

出版信息

Animals (Basel). 2024 Nov 11;14(22):3230. doi: 10.3390/ani14223230.

DOI:10.3390/ani14223230
PMID:39595282
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11590990/
Abstract

This study aimed to describe the morphological characteristics and age structure of a population sampled from a high altitude. For this purpose, a total of 54 adult frogs (33 males and 21 females) were collected from Şavşat district, Artvin province, Türkiye. The samples were aged based on skeletochronology method. Furthermore, von Bertalanffy growth curve models were constructed using SVL and weight data. To assess sexual size and shape dimorphism, the measurements of 23 different morphological characters were analyzed using univariate and multivariate statistical techniques. The mean SVL and weight were found to be 78.05 mm and 60.87 g for males and 93.95 mm and 109.61 g for females. The mean age was 3.67 years and 4.05 years for males and females, respectively. The maximum age was found to be 6 years for both sexes. Growth curve models revealed a significant relationship between age, SVL, and weight. A clear female-biased sexual size dimorphism was found in all morphological characters. However, SVL-adjusted values indicated that males had larger head and limb structures resulting from evolutional and sexual pressures associated with reproduction and male-male competition. The shape dimorphism was found only in forelimbs, and it was male-biased and was related to clasping in amplexus.

摘要

本研究旨在描述从高海拔地区采集的一个种群的形态特征和年龄结构。为此，从土耳其阿尔特温省萨夫萨特区共收集了54只成年青蛙（33只雄性和21只雌性）。样本根据骨骼年代学方法确定年龄。此外，使用体长（SVL）和体重数据构建了冯·贝塔朗菲生长曲线模型。为了评估两性异形的大小和形状，使用单变量和多变量统计技术分析了23个不同形态特征的测量数据。发现雄性的平均SVL和体重分别为78.05毫米和60.87克，雌性为93.95毫米和109.61克。雄性和雌性的平均年龄分别为3.67岁和4.05岁。两性的最大年龄均为6岁。生长曲线模型揭示了年龄、SVL和体重之间的显著关系。在所有形态特征中均发现明显的雌性偏向的两性大小异形。然而，经SVL调整的值表明，由于与繁殖和雄性间竞争相关的进化和性压力，雄性具有更大的头部和肢体结构。形状异形仅在前肢中发现，且是雄性偏向的，与抱对时的抱握有关。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/4f010151f271/animals-14-03230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/9f7a4867390b/animals-14-03230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/fa197de7e87f/animals-14-03230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/ed1501b2d21d/animals-14-03230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/9cabde600c19/animals-14-03230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/642148fa4b7d/animals-14-03230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/4f010151f271/animals-14-03230-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/9f7a4867390b/animals-14-03230-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/fa197de7e87f/animals-14-03230-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/ed1501b2d21d/animals-14-03230-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/9cabde600c19/animals-14-03230-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/642148fa4b7d/animals-14-03230-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc2c/11590990/4f010151f271/animals-14-03230-g006.jpg

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