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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
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Your Position :Home->Past Journals Catalog->2015 Vol.34 No.3

Comparison of the Internal Organs and Correlation of Organ Weights and Body Weights of Three Rodents in Alpine Meadow
Author of the article:ZHANG Shoudong1,3, YANG Chuanhua2, LIN Gonghua1, ZHANG Tongzuo1*, SU Jianping1*
Author's Workplace:1. Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China;
2. Modern Agricultural Technical School of Huzhou, Huzhou, Zhejiang Province 313023, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China
Key Words:alpine meadow; rodents; organ index; correlation coefficient; discrepancy; evolutionary adaptation
Abstract:Internal organs of animals play an essential role in their physiological function, and their adaptiveness to the environment can be reflected from the weights of internal organs and organ index. To further understand the adaptive strategy of the animals in Qinghai-Tibet Plateau to the living environment, the index of internal organs and the correlations between organ weights and body weights were investigated in three rodents in alpine meadow. The results showed that the heart and liver of plateau pika (Ochotona curzniae) indices were lower than those of plateau zokor (Eospalax baileyi) and root voles (Microtus oeconomus), and the root voles had the highest indices of spleen, lung and kidney, and the kidney index of plateau pika was higher than that of plateau zokor. All the livers were significantly correlated with their body weights, and significant correlations were found in the kidneys of plateau pika and root voles as well as the hearts of root voles. These results indicated that the variance in the indices of internal organs and the correlations between their organ weights and body weights of three rodents may result from combined evolutionary factors, such as adaptiveness to physical and energy environment, body size, pathogens, energy metabolism demands, etc.
2015,34(3): 424-428 收稿日期:2014-9-8
DOI:10.3969/j.issn.1000-7083.2015.03.020
分类号:Q959.837
基金项目:国家自然科学基金项目(31370405,31372197);青海省科技支撑计划项目(2014-NS-113, 2014-NS-118)
作者简介:张守栋(1989—),男,汉族,硕士研究生,研究方向:进化生态学,E-mail:zhangshoudong666@163.com
*通讯作者:张同作, 苏建平,E-mail:zhangtz@nwipb.cas.cn;jpsu@nwipb.cas.cn
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