生态学杂志2017，Vol.36Issue(5)：1173-1179,7.DOI:10.13292/j.1000-4890.201705.017
潮滩湿地植被发育年限对土壤有机碳含量及积累速率的影响
Impacts of vegetation establishment duration on soil organic carbon accumulation in Chongming-Dongan, China
摘要
Abstract
Estuarine tidal wetlands are highly influenced by land and sea.Some environmental factors change quickly with the vegetation establishment duration and have an important influence on the soil carbon sequestration.Based on field survey and remotely sensed data,we investigated the relationship between soil organic carbon (SOC) content,its accumulation rate and vegetation establishment duration in Chongming-Dongtan,the Yangtze Estuary.With the increase of vegetation establishment duration,SOC content increased significantly.SOC content in the vegetation establishment duration of 14 years was about 1.3 times that of 1 year.Soil organic carbon accumulation rate decreased with time and was stabilized at 11 g · m-2 · a-1 10 years later.SOC content of tidal wetland from Yangtze Estuary was close to those of other coastal wetlands in China,but the accumulation rate was far lower than that on the east coast of the United States,probably due to human disturbance such as overgrazing and harvest.Therefore,there is a great potential for carbon sequestration enhancement by conservation and restoration of coastal wetlands.关键词
土壤有机碳积累速率/潮滩湿地/群落演替/土壤盐度Key words
soil organic carbon accumulation rate/tidal wetland/community succession/soil salinity引用本文复制引用
张骞,姜俊彦,李秀珍,张运清..潮滩湿地植被发育年限对土壤有机碳含量及积累速率的影响[J].生态学杂志,2017,36(5):1173-1179,7.基金项目
国家自然科学基金项目(41271065)资助. （41271065）
