干旱区生态环境知识资源中心(Arid): Evaluating the response of delta C-13 in Haloxylon ammodendron, a dominant C(4 )species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its delta C-13 as an indicator of water use efficiency

Arid

DOI	10.5194/bg-18-2859-2021
	Evaluating the response of delta C-13 in Haloxylon ammodendron, a dominant C(4 )species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its delta C-13 as an indicator of water use efficiency
	Chen, Zixun; Liu, Xuejun; Cui, Xiaoqing; Han, Yaowen; Wang, Guoan; Li, Jiazhu
通讯作者	Wang, GA (corresponding author), China Agr Univ, Coll Resources & Environm Sci, Key Lab Plant Soil Interact, Beijing 100193, Peoples R China. ; Wang, GA (corresponding author), China Agr Univ, Coll Resources & Environm Sci, Dept Environm Sci & Engn, Beijing Key Lab Farmland Soil Pollut Prevent & Re, Beijing 100193, Peoples R China. ; Li, JZ (corresponding author), Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100192, Peoples R China.
来源期刊	BIOGEOSCIENCES
ISSN	1726-4170
EISSN	1726-4189
出版年	2021
卷号	18 期号:9 页码:2859-2870
英文摘要	Variations in precipitation and atmospheric N de-position affect water and N availability in desert and thus may have significant effects on desert ecosystems. Haloxylon ammodendron is a dominant plant in Asian desert, and addressing its physiological acclimatization to the changes in precipitation and N deposition can provide insight into how desert plants adapt to extreme environments by physiological adjustment. Carbon isotope ratio (delta C-13) in plants has been suggested as a sensitive long-term indicator of physiological acclimatization. Therefore, this study evaluated the effect of precipitation change and increasing atmospheric N deposition on delta C-13 of H. ammodendron. Furthermore, H. ammodendron is a C(4 )plant; whether its delta C-13 can indicate water use efficiency (WUE) has not been addressed. In the present study, we designed a field experiment with a completely randomized factorial combination of N and water and measured delta C-13 and gas exchange of H. ammodendron. Then we calculated the degree of bundle-sheath leakiness (phi) and WUE of the assimilating branches of H. ammodendron. delta C-13 and phi remained stable under N and water supply, while N addition, water addition and their interaction affected gas exchange and WUE in H. ammodendron. In addition, delta C-13 had no correlation with WUE. These results were associated with the irrelevance between delta C-13 and the ratio of intercellular to ambient CO2 concentration (c(i)/C-a), which might be caused by a special value (0.37) of the degree of bundle-sheath leak-iness (phi) or a lower activity of carbonic anhydrase (CA) of H. ammodendron. In conclusion, delta C-13 of H. ammodendron is not sensitive to global change in precipitation and atmospheric N deposition and cannot be used for indicating its WUE.
类型	Article
语种	英语
开放获取类型	Green Submitted, gold
收录类别	SCI-E
WOS记录号	WOS:000651080400001
WOS关键词	CARBON-ISOTOPE DISCRIMINATION ; BUNDLE-SHEATH LEAKINESS ; ATMOSPHERIC CO2 ; ANHYDRASE ACTIVITY ; GURBANTUNGGUT DESERT ; C-4 PHOTOSYNTHESIS ; RAINFALL GRADIENT ; NATURAL-ABUNDANCE ; SOUTHERN EDGE ; PLANTS
WOS类目	Ecology ; Geosciences, Multidisciplinary
WOS研究方向	Environmental Sciences & Ecology ; Geology
来源机构	中国科学院新疆生态与地理研究所 ; 中国农业大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349694
作者单位	[Chen, Zixun; Wang, Guoan] China Agr Univ, Coll Resources & Environm Sci, Key Lab Plant Soil Interact, Beijing 100193, Peoples R China; [Chen, Zixun; Liu, Xuejun; Cui, Xiaoqing; Han, Yaowen; Wang, Guoan] China Agr Univ, Coll Resources & Environm Sci, Dept Environm Sci & Engn, Beijing Key Lab Farmland Soil Pollut Prevent & Re, Beijing 100193, Peoples R China; [Liu, Xuejun; Cui, Xiaoqing] Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Urumqi 83011, Peoples R China; [Li, Jiazhu] Chinese Acad Forestry, Inst Desertificat Studies, Beijing 100192, Peoples R China
推荐引用方式 GB/T 7714	Chen, Zixun,Liu, Xuejun,Cui, Xiaoqing,et al. Evaluating the response of delta C-13 in Haloxylon ammodendron, a dominant C(4 )species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its delta C-13 as an indicator of water use efficiency[J]. 中国科学院新疆生态与地理研究所, 中国农业大学,2021,18(9):2859-2870.
APA	Chen, Zixun,Liu, Xuejun,Cui, Xiaoqing,Han, Yaowen,Wang, Guoan,&Li, Jiazhu.(2021).Evaluating the response of delta C-13 in Haloxylon ammodendron, a dominant C(4 )species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its delta C-13 as an indicator of water use efficiency.BIOGEOSCIENCES,18(9),2859-2870.
MLA	Chen, Zixun,et al."Evaluating the response of delta C-13 in Haloxylon ammodendron, a dominant C(4 )species in Asian desert ecosystems, to water and nitrogen addition as well as the availability of its delta C-13 as an indicator of water use efficiency".BIOGEOSCIENCES 18.9(2021):2859-2870.