[1]梁潇方,计 翔.北草蜥(Takydromus septentrionalis)种群间形态与咬合力的差异性分化[J].南京师大学报(自然科学版),2021,44(01):104-110.[doi:10.3969/j.issn.1001-4616.2021.01.015]
　Liang Xiaofang,Ji Xiang.Differentiation of Morphology and Bite Force AmongPopulations of Takydromus septentrionalis[J].Journal of Nanjing Normal University(Natural Science Edition),2021,44(01):104-110.[doi:10.3969/j.issn.1001-4616.2021.01.015]
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北草蜥(Takydromus septentrionalis)种群间形态与咬合力的差异性分化()
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《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

卷:
第44卷
期数:
2021年01期
页码:
104-110
栏目:
·生态学·
出版日期:
2021-03-15

文章信息/Info

Title:
Differentiation of Morphology and Bite Force AmongPopulations of Takydromus septentrionalis
文章编号:
1001-4616(2021)01-0104-07
作者:
梁潇方; 计 翔
南京师范大学生命科学学院,江苏 南京 210023
Author(s):
Liang Xiaofang; Ji Xiang
School of Life Sciences,Nanjing Normal University,Nanjing 2l0023,China
关键词:
北草蜥; 咬合力; 性状进化; 两性异形
Keywords:
Takydromus septentrionalis; bite force; character phylogeny; sexual dimorphis
分类号:
Q149
DOI:
10.3969/j.issn.1001-4616.2021.01.015
文献标志码:
A
摘要:
形态、功能与生态之间的关系对于理解生物表型进化和生态进化的过程至关重要. 物种间和种群间的性状进化是多重因素共同作用的结果. 脊椎动物的咬合力(bite force)在其饮食习惯、配偶竞争、领地占有、防御侵略者等方面发挥着重要作用. 本文以北草蜥(takydromus septentrionalis)为研究对象探究生存环境因子对其形态和咬合力的影响,测量并分析了北草蜥5个种群的性状,并通过不同种群的形态和咬合力以及两性异形的研究,探究种群间形态和咬合力存在差异的原因. 结果表明:北草蜥的陆地种群随着所在地区年均温的降低,蜥蜴的形态大小和咬合力呈现递增的趋势,而岛屿种群则不符合这个规律; 北草蜥的头部尺寸与咬合力数值呈显著正相关,头部尺寸、张口尺寸和咬合力具有明显的两性异形现象.
Abstract:
The relationship between form,function and ecology is very important for us to understand the process of phenotypic evolution and ecological evolution in biological organisms. Trait evolution between species and populations is the result of multiple factors. The Bite force of a vertebrate plays an important role in its life,mainly including eating habits,mate competition,territorial possession,defense against invaders and so on. In this study,the northern grass lizard(Takydromus septentrionalis)was used as a subject to explore the influence of living environmental factors on lizard morphology and bite force. After measuring the morphological traits of five populations,it was made a comparative analysis,on the differences in morphology and bite force between populations by studying the morphology,bite force and sexual dimorphism between different populations. The results showed that with the morphological size and bite force of the lizard increase as the average annual temperature of the land population decreases,however,the island population did not show this phenomenon. A significant positive correlation between the head size and the bite force of the lizard was found,and the obvious sexual dimorphism of head size,mouth opening and bite force of the lizard was also detected.

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备注/Memo

备注/Memo:
收稿日期:2020-05-27.
基金项目:国家自然科学基金项目(31870390).
通讯作者:计翔,教授,研究方向:动物生理生态学. E-mail:xiangji150@hotmail.com
更新日期/Last Update: 2021-03-15