干旱区生态环境知识资源中心(Arid): Food restriction affects maternal investment but not neonate phenotypes in a viviparous lizard

Arid

	Food restriction affects maternal investment but not neonate phenotypes in a viviparous lizard
	Wang Yang; Zeng Zhigao; Ma Liang; Li Shuran; Du Weiguo
来源期刊	Zoological Research
ISSN	2095-8137
出版年	2017
卷号	38 期号:2 页码:81-87
英文摘要	Food availability significantly affects an animal's energy metabolism, and thus its phenotype, survival, and reproduction. Maternal and offspring responses to food conditions are critical for understanding population dynamics and life-history evolution of a species. In this study, we conducted food manipulation experiments in field enclosures to identify the effect of food restriction on female reproductive traits and postpartum body condition, as well as on hatchling phenotypes, in a lacertid viviparous lizard from the Inner Mongolian desert steppe of China. Females under low-food availability treatment(LFT)had poorer immune function and body condition compared with those under high-food availability treatment(HFT). The food availability treatments significantly affected the litter size and litter mass of the females, but not their gestation period in captivity or brood success, or the body size, sprint speed, and sex ratio of the neonates. Females from the LFT group had smaller litter sizes and, therefore, lower litter mass than those from the HFT group. These results suggest that female racerunners facing food restriction lay fewer offspring with unchanged body size and locomotor performance, and incur a cost in the form of poor postpartum body condition and immune function. The flexibility of maternal responses to variable food availability represents an important life strategy that could enhance the resistance of lizards to unpredictable environmental change.
英文关键词	Eremias multiocellata Food availability Hatchling Lizard Reproductive output
类型	Article
语种	英语
开放获取类型	DOAJ Gold, Green Published
收录类别	CSCD
WOS研究方向	Zoology
CSCD记录号	CSCD:5978324
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/335790
作者单位	Wang Yang, Institute of Zoology, Chinese Academy of Sciences, Key Laboratory of Animal Ecology and Conservational Biology,Chinese Academy of Sciences, Beijing 100101, China.; Zeng Zhigao, Institute of Zoology, Chinese Academy of Sciences, Key Laboratory of Animal Ecology and Conservational Biology,Chinese Academy of Sciences, Beijing 100101, China.; Ma Liang, Institute of Zoology, Chinese Academy of Sciences, Key Laboratory of Animal Ecology and Conservational Biology,Chinese Academy of Sciences, Beijing 100101, China.; Li Shuran, Institute of Zoology, Chinese Academy of Sciences, Key Laboratory of Animal Ecology and Conservational Biology,Chinese Academy of Sciences, Beijing 100101, China.; Du Weiguo, Institute of Zoology, Chinese Academy of Sciences, Key Laboratory of Animal Ecology and Conservational Biology,Chinese Academy of Sciences, Beijing 100101, China.
推荐引用方式 GB/T 7714	Wang Yang,Zeng Zhigao,Ma Liang,et al. Food restriction affects maternal investment but not neonate phenotypes in a viviparous lizard[J],2017,38(2):81-87.
APA	Wang Yang,Zeng Zhigao,Ma Liang,Li Shuran,&Du Weiguo.(2017).Food restriction affects maternal investment but not neonate phenotypes in a viviparous lizard.Zoological Research,38(2),81-87.
MLA	Wang Yang,et al."Food restriction affects maternal investment but not neonate phenotypes in a viviparous lizard".Zoological Research 38.2(2017):81-87.