Effects of salt stress and nitrogen application on growth and ion accumulation of Suaeda salsa plants
Guan, Bo1,2; Yu, Junbao1; Chen, Xiaobing1; Xie, Wenjun3; Lu, Zhaohua3; Yu, Junbao, Laboratory of Coastal Wetland Ecology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences. Email:junbao.yu@gmail.com; Lu, Zhaohua, Research Center for Eco-Environmental Sciences, Yellow River Delta, Binzhou University. Email:lu-zhh@263.net
会议主办者Nanjing University of Information Science and Technology; Peking University; Fudan University; Tsinghua University; Jilin University
2011
会议名称2011 International Conference on Remote Sensing, Environment and Transportation Engineering
会议录名称2011 International Conference on Remote Sensing, Environment and Transportation Engineering, RSETE 2011 - Proceedings
页码8268-8272
会议日期2011年6月24日 - 2011年6月26日
会议地点Nanjing, China
ISBN号9781424491711
出版者IEEE Computer Society
产权排序1 Laboratory of Coastal Wetland Ecology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China 2 Graduate University, Chinese Academy of Sciences, Beijing, 100049, China 3 Research Center for Eco-Environmental Sciences, Yellow River Delta, Binzhou University, Binzhou, 256603, China
摘要Suaeda salsa is a typical pioneer species which can grow well in high salt environmental conditions. The objective of this study is to evaluate the effect of different levels of salinity (5.25, 10.5 and 21g NaCl per kg soil) and nutrient supply (0, 0.3, 0.6 and 1.2g urea per kg soil) on plant morphology, biomass, accumulation of ions and C/N ratio in leaves of S. salsa. The results showed that the plant height, number of branches, length of branches and diameter of shoot were significantly affected by salt stress, and the nitrogen released the negative effects of salt. The nitrogen treatment increased the biomass ofleaf, shoot and root. Leaf water content was significantly affected by the interaction of salt stress andnitrogen treatment. The content of Na + and Cl- increased significantly as increasing of salt, the content ofK+, Ca2+, Mg2+ and SO 42- decreased simultaneously to keep ion balance. The C/N ratio decreased significantly as increasing of nitrogen treatment. The content of proline increased significantly with the increasing of salt and nitrogen treatments. The results together indicated that at different saltenvironment, different amount of nitrogen supply can be used to improve the population growth of S.salsa plants, and the restoration of degraded wetland could be accelerated by nutrient supply reasonably. 
作者部门中科院海岸带环境过程与生态修复重点实验室
关键词Amino Acids Civil Engineering Ecology Hardwoods Ions Nutrients Population Statistics Remote Sensing Sodium Chloride Urea Water Content
文章类型会议论文
学科领域Ecology And Ecosystems
DOI10.1109/RSETE.2011.5964080
收录类别EI
语种英语
引用统计
文献类型会议论文
条目标识符http://ir.yic.ac.cn/handle/133337/22554
专题中科院海岸带环境过程与生态修复重点实验室
通讯作者Yu, Junbao, Laboratory of Coastal Wetland Ecology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences. Email:junbao.yu@gmail.com; Lu, Zhaohua, Research Center for Eco-Environmental Sciences, Yellow River Delta, Binzhou University. Email:lu-zhh@263.net
作者单位1.Laboratory of Coastal Wetland Ecology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences
2.Graduate University, Chinese Academy of Sciences
3.Research Center for Eco-Environmental Sciences, Yellow River Delta, Binzhou University
第一作者单位中国科学院烟台海岸带研究所
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Guan, Bo,Yu, Junbao,Chen, Xiaobing,et al. Effects of salt stress and nitrogen application on growth and ion accumulation of Suaeda salsa plants[C]:IEEE Computer Society,2011:8268-8272.
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