Arid
DOI10.1016/j.aquabot.2018.11.010
Physiological responses of Carex schmidtii Meinsh to alternating flooding-drought conditions in the Momoge wetland, northeast China
Zhang, Dongjie1,2; Qi, Qing1,2; Wang, Xuehong1; Tong, Shouzheng1; Lv, Xianguo1; An, Yu1; Zhu, Xiaoyan1
通讯作者Zhang, Dongjie ; Tong, Shouzheng
来源期刊AQUATIC BOTANY
ISSN0304-3770
EISSN1879-1522
出版年2019
卷号153页码:33-39
英文摘要Alternating flooding-drought conditions have been shown to be an effective water-saving method to restore wetland plants in arid and semi-arid regions. Carex schmidtii is a critical plant species for the restoration of degraded wetlands in the Momoge National Nature Reserve (MNNR) in northeast China. Comparative studies of plant leaves, under permanent inundation condition (AF condition) and 30 d cycles of alternate flooding-drought conditions (A30), were carried out. Plant leaf morphology and biomass, as well as physiological traits and nutrient stoichiometry, were analyzed to understand the mechanism of C. schmidtii to environmental factors. It was well demonstrated that growth of plants under A30 condition achieved significantly higher length and the ratio of leaf withering (by 9.02 and 6.73 times, respectively), compared with those obtained under AF condition. Dry leaf matter content, varying between 37.8% and 44.6% under the A30 condition was 18.1% greater than those obtained under the AF condition. Initial plant treatment was found to greatly increase chlorophyll content and superoxide dismutase activity. The proline content of C. schmidtii under A30 condition was significantly higher, whereas plant leaf nitrogen and phosphorus contents under A30 condition were only slight lower than under AF condition. Hence, alternating flooding-drought conditions initiated in the early growth stage had a beneficial effect on their adaptability to environment changes; assisting plant growth and biomass accumulation when water supply reduced. Overall, the results provide supporting information for the restoration and management of C. schmidtii tussocks in degraded wetlands in semi-arid regions.
英文关键词Alternating flooding-drought conditions Leaf traits Physiological response Ecological stoichiometry Carex schmidtii Wetland restoration
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000458224100006
WOS关键词NATIONAL NATURE-RESERVE ; PHRAGMITES-AUSTRALIS ; WATER DEPTH ; CHLOROPHYLL FLUORESCENCE ; SUBMERSED MACROPHYTES ; SALT-MARSH ; GROWTH ; STOICHIOMETRY ; TUSSOCKS ; SOIL
WOS类目Plant Sciences ; Marine & Freshwater Biology
WOS研究方向Plant Sciences ; Marine & Freshwater Biology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/214289
作者单位1.Chinese Acad Sci, Northeast Inst Geog & Agr Ecol, Key Lab Wetland Ecol & Environm, Changchun 130012, Jilin, Peoples R China;
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Dongjie,Qi, Qing,Wang, Xuehong,et al. Physiological responses of Carex schmidtii Meinsh to alternating flooding-drought conditions in the Momoge wetland, northeast China[J],2019,153:33-39.
APA Zhang, Dongjie.,Qi, Qing.,Wang, Xuehong.,Tong, Shouzheng.,Lv, Xianguo.,...&Zhu, Xiaoyan.(2019).Physiological responses of Carex schmidtii Meinsh to alternating flooding-drought conditions in the Momoge wetland, northeast China.AQUATIC BOTANY,153,33-39.
MLA Zhang, Dongjie,et al."Physiological responses of Carex schmidtii Meinsh to alternating flooding-drought conditions in the Momoge wetland, northeast China".AQUATIC BOTANY 153(2019):33-39.
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