Arid
DOI10.1007/s12665-010-0643-y
Research on the water use efficiency and foliar nutrient status of Populus euphratica and Tamarix ramosissima in the extreme arid region of China
Cao, Sheng Kui1,2; Feng, Qi1; Su, Yong Hong1; Chang, Zong Qiang1; Xi, Hai Yang1
通讯作者Cao, Sheng Kui
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2011
卷号62期号:8页码:1597-1607
英文摘要

Seasonal variations in foliar stable carbon composition (delta C-13) and nitrogen (N), phosphorus (P) and potassium (K) concentrations of Populus euphratica Olivier and Tamarix ramosissima Ledeb, as well as correlations between foliar delta C-13 values and N, P and K concentrations were studied in the Ejina oasis in the lower reaches of the Heihe River, northwestern China. Foliar delta C-13 values, and P and K concentrations significantly differed between species. Foliar delta C-13 signatures in T. ramosissima were significantly more enriched than those in P. euphratica, but P and K concentrations of P. euphratica were higher. The seasonal variations and patterns of these were similar. The total foliar delta C-13 values and N, P and K concentrations in both P. euphratica and T. ramosissima showed a descending trend. There were significantly positive correlations between foliar delta C-13 values and N and P concentration of both P. euphratica and T. ramosissima. For the relationship between foliar delta C-13 and K concentration, there appeared oppositely positive and negative correlations in P. euphratica and T. ramosissima, respectively, but they were not significant. The simple positive correlations of delta C-13-P% and delta C-13-N% suggested that N and P in P. euphratica and T. ramosissima behave in a similar manner. This study also showed that there were nutrient deficiencies; N and P nutriments were the co-limiting factors in P. euphratica, while it was P nutriment in T. ramosissima.


英文关键词Stable carbon isotope composition (delta C-13) Correlation Foliar nutriment Populus euphratica Olivier Tamarix ramosissima Ledeb Extreme arid area
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000288802500003
WOS关键词CARBON-ISOTOPE DISCRIMINATION ; PHOTOSYNTHESIS-NITROGEN RELATIONS ; SALIX-VIMINALIS PLANTS ; LEAF GAS-EXCHANGE ; TRANSPIRATION EFFICIENCY ; DELTA C-13 ; DECIDUOUS FOREST ; SOIL NUTRIENT ; STRESS ; WHEAT
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
来源机构中国科学院西北生态环境资源研究院
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/167929
作者单位1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Div Hydrol & Water Land Resources Cold & Arid Reg, Lanzhou 730000, Peoples R China;
2.Qinghai Normal Univ, Coll Life & Geog Sci, Xining 810008, Peoples R China
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GB/T 7714
Cao, Sheng Kui,Feng, Qi,Su, Yong Hong,et al. Research on the water use efficiency and foliar nutrient status of Populus euphratica and Tamarix ramosissima in the extreme arid region of China[J]. 中国科学院西北生态环境资源研究院,2011,62(8):1597-1607.
APA Cao, Sheng Kui,Feng, Qi,Su, Yong Hong,Chang, Zong Qiang,&Xi, Hai Yang.(2011).Research on the water use efficiency and foliar nutrient status of Populus euphratica and Tamarix ramosissima in the extreme arid region of China.ENVIRONMENTAL EARTH SCIENCES,62(8),1597-1607.
MLA Cao, Sheng Kui,et al."Research on the water use efficiency and foliar nutrient status of Populus euphratica and Tamarix ramosissima in the extreme arid region of China".ENVIRONMENTAL EARTH SCIENCES 62.8(2011):1597-1607.
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