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Growth and physiology responses of Phragmites australis to combined drought-flooding condition in inland saline-alkaline marsh, Northeast China
Wen, Bolong1; Li, Xiaoyu1; Yang, Fei2; Lu, Xinrui1; Li, Xiujun1; Yang, Fuyi1
2017-11-01
Source PublicationECOLOGICAL ENGINEERING
ISSN0925-8574
Volume108Pages:234-239
Corresponding AuthorLi, Xiaoyu(lixiaoyu@iga.ac.cn) ; Yang, Fei(yangfei@igsnrr.ac.cn)
AbstractAs a special ecosystem in western Songnen Plain, Northeast China, Phragmites australis saline-alkaline marsh degrade to saline meadow or even alkaline spots progressively, due to the interruption of the water supply. It was the basis to restore the saline-alkaline marsh successfully, that understanding the responses of P. australis to flooding in dried saline-alkaline marsh. Pot experiments were conducted to explore an optimum flooding time for restoring inland saline-alkaline marshes by determining the changes in the growth and physiology of P. australis in response to five different combined drought-flooding treatments (DF04, DF13, DF22, DF31 and DF40). The results showed that the long-term flooding without drought condition (DF04) was not the most favorable condition for the largest effective accumulation of plants biomass, although it gave rise to the highest population height. The combined drought-flooding treatment that drought in one month and flooding in subsequent three months (DF13) was proved as the optimum flooding time, not only obtaining the largest biomass, but also effectively reducing the sodium ion absorbed by plant shoots. Subsequently, the accumulation of sodium ion in plant shoots increased significantly with the delay of flooding from DF22 to DF40 treatments, and the significant enhanced photosynthetic activity implied the evident physiological responses to drought stress.
KeywordPhragmites australis Saline-alkaline marsh Combined drought-flooding Photosynthesis Biomass Sodium ions
DOI10.1016/j.ecoleng.2017.08.036
WOS KeywordWATER-DEFICIT ; SUBMERGENCE ; TOLERANCE ; DYNAMICS ; LAKE
Indexed BySCI
Language英语
Funding Project< GS1 > Key Research Program of the Chinese Academy of Sciences[KFZD-SW-305-003] ; National Natural Science Foundation of China[41771550] ; National Basic Research Program of China[2012CB956100] ; Jilin Science and Technology Development Plan Project[20130102036JC] ; CAS/ SAFEA International Partnership Program for Creative Research Teams[KZZD-EW-TZ-07]
Funding Organization< GS1 > Key Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Basic Research Program of China ; Jilin Science and Technology Development Plan Project ; CAS/ SAFEA International Partnership Program for Creative Research Teams
WOS Research AreaEnvironmental Sciences & Ecology ; Engineering
WOS SubjectEcology ; Engineering, Environmental ; Environmental Sciences
WOS IDWOS:000412127500027
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/62294
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLi, Xiaoyu; Yang, Fei
Affiliation1.Chinese Acad Sci, Key Lab Wetland Ecol & Environm, Northeast Inst Geog & Agroecol, Changchun 130102, Jilin, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, State Key Lab Resources & Environm Informat Syst, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wen, Bolong,Li, Xiaoyu,Yang, Fei,et al. Growth and physiology responses of Phragmites australis to combined drought-flooding condition in inland saline-alkaline marsh, Northeast China[J]. ECOLOGICAL ENGINEERING,2017,108:234-239.
APA Wen, Bolong,Li, Xiaoyu,Yang, Fei,Lu, Xinrui,Li, Xiujun,&Yang, Fuyi.(2017).Growth and physiology responses of Phragmites australis to combined drought-flooding condition in inland saline-alkaline marsh, Northeast China.ECOLOGICAL ENGINEERING,108,234-239.
MLA Wen, Bolong,et al."Growth and physiology responses of Phragmites australis to combined drought-flooding condition in inland saline-alkaline marsh, Northeast China".ECOLOGICAL ENGINEERING 108(2017):234-239.
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