%0 Journal Article
%T Study on CO2 Emission from Newly Created Marshes of Pengxi River in the Three Gorges Reservoir
%A WUYu-yuan
%A CHENHuai
%A LINFang-miao
%A YUANXing-zhong
%J 重庆师范大学学报(自然科学版)
%P 176-180
%D 2012
%R 10.11721/cqnuj20120332
%X FromearlyJulytolateSeptember2008,westudiedCO2emissionsfrom4differentstandsinnewlycreatedmarshesofthePengxiRiver,usingstaticopaquechamber-GCtechniques.TheresultsshowedhighspatialvariationofCO2emissionsamongthefourstands.ThegreatestCO2emission(627.8±335.9mg？m-2？h-1)wasobservedintheScirpustriqueterstand.ThesmallestCO2emission(450.4±271.5mg？m-2？h-1)wasobservedintheJuncusamuricusstand.Standingwaterdepthsandabove-groundbiomasswereimportantfactorsinexplainingthesespatialvariationsinCO2emissions.WealsofoundatypicalseasonalvariationofCO2emissionsinthisarea,withmaximalemissionsrangingfrommid-Julytomid-August.TheseasonalityofCO2emissionsinthenewlycreatedmarsheswasfoundtobecloselyrelatedtowatertemperatureandsoiltemperature(r=0.577,0.557(5cm),p<0.001).
%K carbondioxideemission
%K newlycreatedmarshes
%K PengxiRiver
%K ThreeGorgesReservoir
%U http://cqnuj.cqnu.edu.cn/oa/DArticle.aspx?type=view&id=120332