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Comparison of skull morphology among Chinese white-bellied rat (Niviventer confucianus) populations from five mountains in China
Author(s): 
Pages: 171-176
Year: Issue:  2
Journal: Acta Theriologica Sinica

Abstract: 种群分化是物种形成过程中的关键一步,通过形态特征进行种内变异的探讨对揭示微进化过程具有积极意义.本文以社鼠头骨为材料,通过SPSS统计分析软件对采集自我国中西部5大山系的250号标本头骨形态变量进行了判别函数分析,结果表明秦岭与四川各山系之间社鼠头骨已发生完全分化,而在四川各山系之间,除邛崃和相岭山系外,其余各山系社鼠头骨形态已分化明显.腭长、上颌齿隙长等变量是各山系社鼠头骨样本发生分化的主要变量...
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