文献类型：期刊文献

英文题名：Methane production potential and emission at different water levels in the restored reed wetland of Hangzhou Bay

作者：Shao, Xuexin[1] Sheng, Xuancai[2] Wu, Ming[1] Wu, Hao[1] Ning, Xiao[1]

第一作者：邵学新

通信作者：Wu, M[1]

机构：[1]Chinese Acad Forestry, Res Inst Subtrop Forestry, Wetland Ecosyst Res Stn Hangzhou Bay, Hangzhou, Zhejiang, Peoples R China;[2]State Forestry Adm, East China Forest Inventory & Planning Inst, Hangzhou, Zhejiang, Peoples R China

年份：2017

卷号：12

期号：10

外文期刊名：PLOS ONE

收录：;Scopus(收录号：2-s2.0-85030237601);WOS:【SCI-EXPANDED(收录号:WOS:000412029600037)】；

基金：This study was supported by the Special Fund for Forest Scientific Research in the Public Welfare (201404210), the Fundamental Research Funds for the Central Non-profit Research Institution (CAFYBB2014MA002) and the Fund for Cooperation of Zhejiang Province and Chinese Academy of Forestry (2015SY01). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

语种：英文

摘要：Changes in the hydrological conditions of coastal wetlands may potentially affect the role of wetlands in the methane (CH4) cycle. In this study, the CH4 production potential and emissions from restored coastal reed wetlands at different water levels were examined in eastern China at a field scale in two phenological seasons. Results showed that the total CH4 flux from reeds at various water levels were positive, indicating that they were "sources" of CH4. During the peak growing season, CH4 flux from reeds was greater than that during the spring thaw. CH4 flux from reeds in inundated conditions was greater than that in non-inundated conditions. The CH4 production potential during the peak growing season was far greater than that during the spring thaw. However, the effect of water level on wetland CH4 production potential differed among seasons. The correlations among CH4 production potential, soil properties and CH4 flux change at different water level. These results demonstrate that water level was related to CH4 production and CH4 flux. The growing season also plays a role in CH4 fluxes. Controlling the hydrological environment in restored wetlands has important implications for the maintenance of their function as carbon sinks.