中国里氏龟种群结构与雄性黑化

T. Yabe
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引用次数: 23

摘要

在岐阜县西南部两个相邻的池塘对一个里夫龟种群进行了标记重捕研究。在1986年至1987年期间,共有111只海龟被标记,其中42只雄性,68只雌性和1只年轻个体。从年龄结构推测,女性的平均寿命比男性长。雌虫的甲壳长度大于雄虫,可达200mm以上,雄虫的甲壳长度为160mm左右。黑色素个体只发生在雄性中。亚黑化男性6 ~ 9岁,平均CL为140.3mm。黑化雄性年龄大于6岁,CL大于120mm。黑化男性平均CL为149.6mm。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Population Structure and Male Melanism in the Reeves' Turtle, Chinemys reevesii
Mark-recapture study on a population of Reeves' turtle, Chinemys reevesii, was conducted at two adjacent ponds in the southwestern part of Gifu Prefecture. A total of 111 turtles was marked during the period from 1986 to 1987, comprising 42 males, 68 females, and one young individual. It was speculated from the age structure that females lived longer on average than males. The females were larger than the males, growing to more than 200mm in carapace length (CL), whereas the males grew to about 160mm in CL. Melanistic individuals occurred only in males. Submelanistic males were six to nine years old and their mean CL was 140.3mm. Melanistic males were older than six years and larger than 120mm in CL. The mean CL of melanistic males was 149.6mm.
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