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大绒鼠及高山姬鼠体温调节和蒸发失水的日节律
引用本文:罗谦,柳鹏飞,王政昆,朱万龙,刘春燕,郭宪国,董文鸽.大绒鼠及高山姬鼠体温调节和蒸发失水的日节律[J].动物学杂志,2011,46(1):36-44.
作者姓名:罗谦  柳鹏飞  王政昆  朱万龙  刘春燕  郭宪国  董文鸽
作者单位:罗谦,柳鹏飞,王政昆,朱万龙,刘春燕,LUO Qian,LIU Peng-Fei,WANG Zheng-Kun,ZHU Wan-Long,LIU Chun-Yan(云南师范大学生命科学学院,生物能源持续开发利用教育部工程研究中心云南省能源与环境生物技术重点实验室,昆明,650092);郭宪国,董文鸽,GUO Xian-Guo,DONG Wen-Ge(大理学院病原与媒介生物研究所,云南,大理,671000)
基金项目:云南省科技强省重点项目,云南省教育厅重大项目,云南师范大学青年科研基金
摘    要:为比较横断山区同域分布物种大绒鼠(Eothenomys miletus)和高山姬鼠(Apodemus chevrieri)的日节律特征,对两种鼠在24 h中4个时间段(04:00~06:00时、10:00~12:00时、16:00~18:00时和22:00~24:00时)的体温和蒸发失水进行了测定.结果显示,大绒鼠、高...

关 键 词:大绒鼠  高山姬鼠  体温调节  蒸发失水  日节律
收稿时间:2010/7/14 0:00:00
修稿时间:2010/11/19 0:00:00

Daily Rhythms of Body Temperature Regulation and Evaporative Water Loss in Eothenomys miletus and Apodemus chevrieri
LUO Qian,LIU Peng-Fei,WANG Zheng-Kun,ZHU Wan-Long,LIU Chun-Yan,GUO Xian-Guo and DONG Wen-Ge.Daily Rhythms of Body Temperature Regulation and Evaporative Water Loss in Eothenomys miletus and Apodemus chevrieri[J].Chinese Journal of Zoology,2011,46(1):36-44.
Authors:LUO Qian  LIU Peng-Fei  WANG Zheng-Kun  ZHU Wan-Long  LIU Chun-Yan  GUO Xian-Guo and DONG Wen-Ge
Institution:LUO Qian LIU Peng-Fei WANG Zheng-Kun* ZHU Wan-Long LIU Chun-Yan GUO Xian-Guo DONG Wen-Ge
Abstract:To compare daily rhythms of Eothenomys miletus and Apodemus chevrieri which sympatric distributed in Hengduan Mountains region,their thermoregulation and evaporative water loss(EWL) were measured four times in 04:00-06:00,10:00-12:00,16:00-18:00,and 22:00-24:00 within 24 hours from 24 adult samples(12♀ and 12 ♂) for each species.E.miletus and A.chevrieri had a similar body temperature(Tb) circadian rhythm,their maximum body temperature,37.45 ± 0.17℃ and 37.30 ± 0.24℃,occurred at 04:00-06:00,respectively,and their minimum body temperature,35.77 ± 0.42℃ and 36.05 ± 0.11℃,occurred at 10: 00-12: 00.However,significant differences between the two species were found in nonshiveringthermogenesis(NST),basal metabolic rate(BMR),thermal conductance(C) and dry thermal conductance(Cdry).EWL appeared a significant difference only at 16:00-18:00.E.miletus had clear circadian rhythms in BMR and EWL.The NST circadian variation in A.chevrieri corresponded to the Tb oscillations,moreover the daily rhythms of C and Cdry were also synchronous with ambient temperature.Suffering high temperature and low temperature,the two species adapt to environmental conditions by taking the similar daily rhythms of Tb.Compared to E.miletus,A.chevrieri has a stronger physiological regulation mechanism to maintain water and energy balance.
Keywords:Eothenomys miletus  Apodemus chevrieri  Body temperature regulation  Evaporative water loss  Daily rhythms  
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