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	Foliar delta C-13 response patterns along a moisture gradient arising from genetic variation and phenotypic plasticity in grassland species of Inner Mongolia
	Liu Y. J. ; Niu H. S. ; Xu X. L.
	2013
关键词	Genetic Leymus chinensis plastic Stipa grandis WUE 13C carbon-isotope discrimination quantitative trait loci water-use efficiency leymus-chinensis leaf growth
英文摘要	Plants depend upon both genetic differences and phenotypic plasticity to cope with environmental variation over different timescales. The spatial variation in foliar delta C-13 levels along a moisture gradient represents an overlay of genetic and plastic responses. We hypothesized that such a spatial variation would be more obvious than the variation arising purely from a plastic response to moisture change. Leymus chinensis and Stipa spp. were sampled from Inner Mongolia along a dry-wet transect, and some of these species were transplanted to an area with a moisture gradient. For Stipa spp., the slope of foliar delta C-13 and mean annual precipitation along the transect was significantly steeper than that of foliar delta C-13 and mean annual precipitation after the watering treatment. For L.chinensis, there was a general decreasing trend in foliar delta(13)Cunder the different (increasing) watering levels; however, its populations showed an irregular relationship between foliar delta C-13 and moisture origin. Therefore, support for our hypothesis was obtained from Stipa spp., but not from L.chinensis.
出处	Ecology and Evolution
卷	3
期	2
页	262-267
收录类别	SCI
语种	英语
ISSN号	2045-7758
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30377]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Liu Y. J.,Niu H. S.,Xu X. L.. Foliar delta C-13 response patterns along a moisture gradient arising from genetic variation and phenotypic plasticity in grassland species of Inner Mongolia. 2013.

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