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Effect of tidal flooding on ecosystem CO2 and CH4 fluxes in a salt marsh in the Yellow River Delta

文献类型：期刊论文

作者Wei, SY; Han, GX; Chu, XJ; Song, WM; He, WJ; Xia, JY; Wu, HT
刊名ESTUARINE COASTAL AND SHELF SCIENCE
出版日期2020-01-05
卷号232页码:106512
关键词CO2 CH4 Tidal stage Water level Soil salinity Salt marsh
ISSN号0272-7714
DOI10.1016/j.ecss.2019.106512
产权排序[Wei, Siyu ; Han, Guangxuan ; Chu, Xiaojing ; Song, Weimin ; He, Wenjun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Shandong, Peoples R China ; [Wei, Siyu ; He, Wenjun] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Xia, Jianyang] East China Normal Univ, Sch Ecol & Environm Sci, Shanghai 200241, Peoples R China ; [Wu, Haitao] Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China
文献子类Article
英文摘要Tidal flooding is the basic hydrological feature of a salt marsh, and controls its ecosystem carbon exchange. However, the response of ecosystem carbon exchange to different stages of tidal flooding remains poorly documented. To further explore this issue, we conducted a field experiment to assess the effect of tidal stages (before flooding stage, rising tide stage, tidal flooding stage and after ebbing stage), water levels (a control, a low water level (LWL), a middle water level (MWL) and a high water level (HWL)) and soil salinity on ecosystem CO2 and CH4 fluxes in a salt marsh in the Yellow River Delta. Our results showed that the rising tide stage significantly inhibited the uptake of CO2 (LWL: 1.49 +/- 0.23 mu mol m(-2) s(-1); MWL: 1.10 +/- 0.35 mu mol m(-2) s(-1); HWL: 0.54 +/- 0.08 mu mol m(-2) s(-1)). Meanwhile, the rising tide stage also promoted CH4 emissions of MWL and HWL treatments (MWL: 0.97 +/- 0.36 nmol m(-2) s(-1); HWL: 0.93 +/- 0.24 nmol m(-2) s(-1)). CH4 emissions of the after ebbing stage was higher than that of the before flooding stage, and this difference was significant of LWL and MWL treatments (LWL: 0.56 +/- 0.12 vs 0.38 +/- 0.09 nmol m(-2) s(-1); MWL: 0.79 +/- 0.13 vs 0.40 +/- 0.09 nmol m(-2) s(-1)). Moreover, ecosystem CO2 exchange of the HWL treatment was almost completely suppressed during tidal inundation period. During tidal inundation period, net ecosystem CO2 exchange (NEE) was significantly positively correlated with water levels, but CH4 emissions was not significantly affected by water levels. In addition, the rate of CO2 uptake decreased linearly with soil salinity during the non-inundation period. Therefore, it is necessary to analyze the carbon exchange process coupling with the complete tidal flooding process in future researches.
WOS关键词GREENHOUSE-GAS FLUXES ; SEA-LEVEL RISE ; COASTAL WETLANDS ; CARBON-DIOXIDE ; SALTWATER INTRUSION ; METHANE EMISSIONS ; NITROUS-OXIDE ; BLUE CARBON ; WATER ; SALINITY
WOS研究方向Marine & Freshwater Biology ; Oceanography
语种英语
WOS记录号WOS:000514014000021
资助机构Strategic Priority Research Program of the Chinese Academy of Sciences, China [XDA23050202] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [41671089] ; Yellow River Delta Ecological Research Station of Coastal Wetland, CAS
源URL[http://ir.yic.ac.cn/handle/133337/24771]  
专题烟台海岸带研究所_近岸生态与环境实验室
烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
作者单位1.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Changchun 130102, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Zone Environm Proc & Ecol Remedia, Yantai 264003, Shandong, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China;
4.East China Normal Univ, Sch Ecol & Environm Sci, Shanghai 200241, Peoples R China;
推荐引用方式
GB/T 7714		 Wei, SY,Han, GX,Chu, XJ,et al. Effect of tidal flooding on ecosystem CO2 and CH4 fluxes in a salt marsh in the Yellow River Delta[J]. ESTUARINE COASTAL AND SHELF SCIENCE,2020,232:106512.
APA Wei, SY.,Han, GX.,Chu, XJ.,Song, WM.,He, WJ.,...&Wu, HT.(2020).Effect of tidal flooding on ecosystem CO2 and CH4 fluxes in a salt marsh in the Yellow River Delta.ESTUARINE COASTAL AND SHELF SCIENCE,232,106512.
MLA Wei, SY,et al."Effect of tidal flooding on ecosystem CO2 and CH4 fluxes in a salt marsh in the Yellow River Delta".ESTUARINE COASTAL AND SHELF SCIENCE 232(2020):106512.

入库方式： OAI收割

来源：烟台海岸带研究所

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