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颈槽蛇的地理变异
Geographic Variation of Snake Rhabdophis nuchalis (Squamata: Colubridae) in China
谢昕宏1,2, 刘芹2, 崔亮伟1*, 郭鹏2*
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DOI:10.11984/j.issn.1000-7083.20180279
作者单位:1. 西南林业大学生物多样性保护与利用学院, 云南省高校极小种群野生动物保育重点实验室, 昆明 650224;
2. 宜宾学院生命科学与食品工程学院, 四川宜宾 644007
中文关键字:颈槽蛇;形态学;地理变异
英文关键字:Rhabdophis nuchalis; morphology; geographic variation
中文摘要:地理变异是蛇类中较为常见的现象。颈槽蛇Rhabdophis nuchalis在中国具有广泛的地理分布,是研究地理变异的理想物种。统计分析采自中国各地的61号颈槽蛇标本外部形态特征,对其地理变异模式进行了研究。结果表明:来自云南省高黎贡山的种群与其他种群在眶后鳞数、腹鳞数、上唇鳞黑纹的数量和后颔片间是否有小鳞等形态特征上的差异有统计学意义。
英文摘要:Geographic variation (GV) is widely spread in snakes. Rhabdophis nuchalis, which is one of the colubrid snakes with broadly geographical distribution in China, provides ideal taxa to explore GV. Based on multivariate statistical analyses of external morphological characters recorded from 61 specimens of China, we examined GV patterns for this species. The results showed that the specimens from Gaoligong Mountains were significantly different from those from other populations in the number of postocular scales, ventral scales, black stripes in the supralabial and the small scales between the posterior chin-shields.
2019,38(2): 165-171 收稿日期:2018-09-17
分类号:Q959.6;Q958.2
基金项目:云南省中青年学术和技术带头人培养项目(2015HB047);云南林学一流学科建设项目(51600625);中国科学院先导项目(XDA20050201)
作者简介:谢昕宏,女,硕士研究生,研究方向:动物分类与进化,E-mail:2609567701@qq.com
*通信作者:郭鹏,男,教授,研究方向:动物分类与进化,E-mail:ybguop@163.com;崔亮伟,男,教授,研究方向:灵长类行为生态学和保护生物学,E-mail:2578162@qq.com
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