Arid
DOI10.1016/j.ecoleng.2016.01.041
Temporal and spatial variations in the stable carbon isotope composition and carbon and nitrogen contents in current-season twigs of Tamarix chinensis Lour. and their relationships to environmental factors in the Laizhou Bay wetland in China
Sun, Likun1; Liu, Wanqiu1,2,4; Liu, Guangxiu1; Chen, Tuo1,3; Zhang, Wei1; Wu, Xiukun1; Zhang, Gaosen1; Zhang, Yanhua2,4; Li, Li2,4; Zhang, Baogui1; Zhang, Binlin1,3; Wang, Bo3; Yang, Ruiqi1,5
通讯作者Sun, Likun ; Liu, Guangxiu ; Chen, Tuo
来源期刊ECOLOGICAL ENGINEERING
ISSN0925-8574
EISSN1872-6992
出版年2016
卷号90页码:417-426
英文摘要

Coastal wetlands are highly vulnerable ecosystems exposed to tidal and storm events and soil alkalinization. Tamarix chinensis, highly adapted to flooded and salty conditions, is an important pioneer foundation species of salty riparian habitats, ensuring the ecological stability of wetlands. To better understand the physiological responses to environmental conditions across the T. chinensis community in the Laizhou Bay wetland in China, we analysed delta C-13, C and N in 108 samples of current-season twigs at three different density levels (dense, sparse and fringe) and at three different light intensities (shade, sun and top) from September 2011 to August 2012. The results showed that the delta C-13 and C changed with seasonal variations and the delta C-13, N and the C:N ratio were mainly affected by sunlight. Whereas, density levels did not affect any of the delta C-13, C, N and the C:N ratio by GLM (generalized linear model) analysis. Then the C:N ratio was correlated with C and N and no relationships existed in the delta C-13, C and N. In addition, the delta C-13, C and N contents were influenced by variations of environmental factors. delta C-13 was primarily correlated with soil salinity, air temperature and relative humidity. Air temperature, precipitation and relative humidity were the key contributors to the C content. The C:N ratio were weakly influenced by wind speed. Above all, our results provide valuable information on the eco-physiological responses of the T. chinensis community under environmental stress in wetlands. (C) 2016 Elsevier B.V. All rights reserved.


英文关键词Stable carbon isotope composition (delta C-13) Carbon (C) Nitrogen (N) Temporal-spatial variability Environmental factor Tamarix chinensis
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000373376700053
WOS关键词WATER-USE EFFICIENCY ; EXTREME ARID REGION ; DESERT PLANT ; DISCRIMINATION ; STOICHIOMETRY ; SALINITY ; GROWTH ; PHOSPHORUS ; PATTERNS ; ECOSYSTEMS
WOS类目Ecology ; Engineering, Environmental ; Environmental Sciences
WOS研究方向Environmental Sciences & Ecology ; Engineering
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/2XILL650/192372
作者单位1.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Extreme Environm Microbial Resources & En, Lanzhou 730000, Gansu, Peoples R China;
2.Marine & Fisheries Agcy Changyi, Changyi 261300, Shandong, Peoples R China;
3.Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China;
4.Changyi Offshore Ecosyst & Engn Res Ctr, Changyi 261300, Shandong, Peoples R China;
5.Lanzhou Jiaotong Univ, Sch Chem & Biol Engn, Lanzhou 730070, Gansu, Peoples R China
推荐引用方式
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Sun, Likun,Liu, Wanqiu,Liu, Guangxiu,et al. Temporal and spatial variations in the stable carbon isotope composition and carbon and nitrogen contents in current-season twigs of Tamarix chinensis Lour. and their relationships to environmental factors in the Laizhou Bay wetland in China[J]. 中国科学院西北生态环境资源研究院,2016,90:417-426.
APA Sun, Likun.,Liu, Wanqiu.,Liu, Guangxiu.,Chen, Tuo.,Zhang, Wei.,...&Yang, Ruiqi.(2016).Temporal and spatial variations in the stable carbon isotope composition and carbon and nitrogen contents in current-season twigs of Tamarix chinensis Lour. and their relationships to environmental factors in the Laizhou Bay wetland in China.ECOLOGICAL ENGINEERING,90,417-426.
MLA Sun, Likun,et al."Temporal and spatial variations in the stable carbon isotope composition and carbon and nitrogen contents in current-season twigs of Tamarix chinensis Lour. and their relationships to environmental factors in the Laizhou Bay wetland in China".ECOLOGICAL ENGINEERING 90(2016):417-426.
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