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Publication Type J
Authors Cui, YQ; Ma, JY; Sun, W; Sun, JH; Duan, ZH
Author Full Name Cui, YongQin; Ma, JianYing; Sun, Wei; Sun, JiaHuan; Duan, ZhengHu
Title A preliminary study of water use strategy of desert plants in Dunhuang, China
Source JOURNAL OF ARID LAND
Language English
Document Type Article
Author Keywords desert plant; stable isotope; water source; water-use efficiency; Dunhuang
Keywords Plus CARBON-ISOTOPE DISCRIMINATION; SAN-PEDRO RIVER; STABLE-ISOTOPES; REAUMURIA-SOONGORICA; NORTHWESTERN CHINA; INNER-MONGOLIA; FRESH-WATER; SOIL-WATER; DRY SOILS; TREES
Abstract Water is a restrictive factor for plant growth and ecosystem stability in arid and semiarid areas. The dynamics of water availability in soils and water use by plants are consequently critical to ecosystem functions, e.g. maintaining a high resistance to the changing climate. Plant water use strategies, including water-use efficiency (WUE) and the main water source that a plant species utilizes, play an important role in the evaluation of stability and sustainability of a plantation. The water use strategies of desert plants (Tamarix chinensis, Alhagi sparsifolia, Elaeagnus angustifolia, Sophora alopecuroides, Bassia dasyphylla and Nitraria sphaerocarpa) in three different habitats (saline land, sandy land and Gobi) in Dunhuang (located in the typical arid area of northwestern China) were studied. The stable isotope of oxygen was used to determine the main water source and leaf carbon isotope discrimination was used to estimate the long-term WUE of plant species in the summer of 2010. The results suggest that: 1) the studied desert plants took up soil water below the depth of 80 cm; 2) T. chinensis in the three habitats used deeper soil water and T. chinensis in the Gobi site had higher WUE than those in the saline land and the sandy land. The results indicated that desert plants in Dunhuang depended on stable water source and maintained high WUE to survive in water limited environments.
Author Address [Cui, YongQin; Ma, JianYing; Sun, JiaHuan; Duan, ZhengHu] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China; [Ma, JianYing] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 830011, Peoples R China; [Sun, Wei] NE Normal Univ, Inst Grassland Sci, Minist Educ, Key Lab Vegetat Ecol, Changchun 130024, Peoples R China
Reprint Address Ma, JY (reprint author), Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China.
E-mail Address jyma@ms.xjb.ac.cn
Funding Agency and Grant Number National Natural Science Foundation of China [41071032, 31270445]; Program for New Century Excellent Talents in University [NCET-12-084]; Thousand Talents Program of China; West Light Foundation of the Chinese Academy of Sciences
Funding Text The research was supported by the National Natural Science Foundation of China (41071032, 31270445), the Program for New Century Excellent Talents in University (NCET-12-084), the Thousand Talents Program of China (2013) and the West Light Foundation of the Chinese Academy of Sciences (2009). We would like to thank XiaoNing LIU and Qiao ZENG for help during field and laboratory work.
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Cited Reference Count 54
Times Cited 2
Total Times Cited Count (WoS, BCI, and CSCD) 3
Publisher SPRINGER HEIDELBERG
Publisher City HEIDELBERG
Publisher Address TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY
ISSN 1674-6767
29-Character Source Abbreviation J ARID LAND
ISO Source Abbreviation J. Arid Land
Publication Date FEB
Year Published 2015
Volume 7
Issue 1
Beginning Page 73
Ending Page 81
Digital Object Identifier (DOI) 10.1007/s40333-014-0037-1
Page Count 9
Web of Science Category Environmental Sciences
Subject Category Environmental Sciences & Ecology
Document Delivery Number AT6YJ
Unique Article Identifier WOS:000345082600008
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