Variation in Populus euphratica foliar carbon isotope composition and osmotic solute for different groundwater depths in an arid region of China (EI)

CORC > 寒区旱区环境与工程研究所 > 中科院寒区旱区环境与工程研究所（未分类） > 期刊论文

	Variation in Populus euphratica foliar carbon isotope composition and osmotic solute for different groundwater depths in an arid region of China (EI)
	Si J.; Feng Q.; Yu T.; Zhao C.; Li W.
刊名	Environmental Monitoring and Assessment
	2015
卷号	11 页码:187
英文摘要	Water use efficiency (WUE) is an important trait associated with plant acclimation caused by water deficits, and 13C is a good surrogate of WUE under conditions of water deficits. Water deficiency also enhances the accumulation of compatible solutes in the leaves. In this study, variations in foliar 13C values and main osmotic solutes were investigated. Those included total soluble sugar (TSS), sucrose, free proline, glycine betaine (GB), and inorganic ionic (K+, Ca2+, and Cl) content of Populus euphratica for different groundwater depths in a Ejina desert riparian forest, China. Results indicated that foliar 13C values in the P. euphratica for different groundwater depths ranged from 29.14 0.06 to 25.84 0.04 . Foliar 13C signatures became richer as groundwater levels declined. TSS, sucrose, free proline, GB, and K+were accumulated in P. euphratica foliage with developing plant growth and increasing groundwater depth. Ca2+and Clcontent increased under stronger P. euphratica transpiration rates for shallower groundwater depths (12.5m) and decreased for deeper groundwater depths (greater than 3.0m). Moreover, correlations between 13C, osmotic solutes, and groundwater depths showed that the primary osmotic solutes were TSS, sucrose, proline, GB, and K+. Correlations also showed that 13C was not only a useful measure for P. euphratica-integrated WUE but also could be used as an indicator reflecting some physiological osmotic indexes. 2015, Springer International Publishing Switzerland.
收录类别	EI
语种	英语
内容类型	期刊论文
源URL	[http://ir.casnw.net/handle/362004/27025]
专题	寒区旱区环境与工程研究所_中科院寒区旱区环境与工程研究所（未分类）_期刊论文
推荐引用方式 GB/T 7714	Si J.,Feng Q.,Yu T.,et al. Variation in Populus euphratica foliar carbon isotope composition and osmotic solute for different groundwater depths in an arid region of China (EI)[J]. Environmental Monitoring and Assessment,2015,11:187.
APA	Si J.,Feng Q.,Yu T.,Zhao C.,&Li W..(2015).Variation in Populus euphratica foliar carbon isotope composition and osmotic solute for different groundwater depths in an arid region of China (EI).Environmental Monitoring and Assessment,11,187.
MLA	Si J.,et al."Variation in Populus euphratica foliar carbon isotope composition and osmotic solute for different groundwater depths in an arid region of China (EI)".Environmental Monitoring and Assessment 11(2015):187.