摘要
随着全球气候变化的日趋加剧,动物对环境变化的反应模式和机制引起了越来越多研究者的兴趣(Canale and Henry,2010)。能量的获取与消耗是动物生存的关键,同时也是维持体重平衡的关键(Wang et al.,2003)。消化系统表型可塑性是动物个体的适应性特征.
In order to explore differences of body compositions and digestive tract morphology in Eothenomys miletus from Hengduan Mountains at different areas. Samples were collected from five sites from the north to the south: Deqin,Shangri-La,Lijiang,Jianchuan and Ailao Mountain. Body mass,wet and dry masses of body components( including heart,lung,liver,spleen and kidney),masses and lengths of stomach,small intestine,large intestine and cecum were measured in the present study. The results showed that body mass was significantly different among the five different areas( F =3. 895,P〈0. 05); from lightest to heaviest: Deqin,Shangri-La,Lijiang,Jianchuan and Ailao Mountain. There were significant differences in wet mass of liver among different sites( F = 3. 895,P〈0. 05),with heaviest coming from the Deqin population,and the lightest from the Ailao Mountain population. Length of stomach showed significant differences among five areas( F = 3. 04,P〈0. 05),being significantly larger in Ailao Mountain in E. miletus. All of the above results showed that body mass,wet mass of liver and morphology of the gastrointestinal tract had significant differences that may be related to the gradual transition of environmental factors in Hengduan Mountains. In conclusion,E. miletus in different areas from Hengduan Mountains adapt to differing climate and environment conditions mainly by changing their body mass,organ masses and digestive tract morphology.
作者
张海姬
侯东敏
梅丽
谌立新
王政昆
朱万龙
ZHANG Haiji;HOU Dongmin;MEI Li;CHEN Lixin;WANG Zhengkun;ZHU Wanlong(Key Laboratory of Ecological Adaptive Evolution and Conservation on Animals-Plants in Southwest Mountain Ecosystem of Yunnan Province Higher Institutes College,School of Life Sciences of Yunnan Normal University,Kunming 650500,China)
出处
《兽类学报》
CAS
CSCD
北大核心
2018年第5期499-503,共5页
Acta Theriologica Sinica
基金
国家自然科学基金项目(31560126
31760118)
关键词
大绒鼠
横断山地区
身体组成
消化道形态
Body composition
Digestive tract morphology
Eothenomys miletus
Hengduan Mountain region