Characteristics of carbon storage in Shanghai's urban forest

查看全文 作　　者：WANG [1]Zhe;CUI [2]Xuan;YIN [1,3]Shan;SHEN [1,3]GuangRong;HAN [4]YuJie;LIU [1,3]ChunJiang

机构地区：[1]School of Agriculture and Biology and Research Center for Low Carbon Agriculture,Shanghai Jiao Tong University;[2]Department of Art Design,Shanghai Jian Qiao College;[3]Key Laboratory of Urban Agriculture(South),Ministry of Agriculture;[4]Shanghai Forestry Station

出　　处：《Chinese Science Bulletin》索引2013年第58卷第10期,共9页

基　　金：supported by the Strategic Priority Research Program of the Chinese Academy of Sciences (XDA05050200);the National Key Basic Research and Development Program of China (2011CB403201);the Committee of Agriculture,Shanghai Municipal Government,China (2010-6-1);the National Key Technology R&D Program of China (2010BAK69B18);the Science and Technology Commission of Shanghai Municipality (10JC1407000);the 2010 Shanghai Jiao Tong University Polytechnic Cross-Fund 摘　　要：Urban forest has undergone rapid development in China over the last three decades because of the acceleration of urbanization.Urban forest thus plays an increasingly important role in carbon sequestration at a regional and national scale.As one of the most urbanized cities in China,Shanghai showed an increase of forest coverage from 3% in the 1990s to 13% in 2009.Based on CITY-green model and the second soil survey of Shanghai,the forest biomass carbon(FBC) was estimated to be 0.48 Tg in the urban area and,forest soil organic carbon(SOC)(0-100 cm soil depth) is 2.48 Tg in the urban and suburban areas,respectively.These values are relatively within the median and lower level compared with other Chinese megacities,with the FBC of 0.02 Tg in Harbin to 47.29 Tg in Chongqing and the forest SOC of 1.74 Tg in Nanjing to 418.67 Tg in Chongqing.For the different land-use types in Shanghai,the SOC density ranges from 13.8(tidal field) to 38.6 t ha-1(agricultural land).On average,the forest SOC density(31.5 t ha-1) in Shanghai is lower than that in agricultural lands(38.6 t ha-1) and higher than that in lawns(26.5 t ha-1) and gardens(21.3 t ha-1).In Shanghai,the SOC density in newly established urban parks is generally lower than that in older parks.In the northern and southeastern suburban areas(e.g.,Baoshan,Yangpu,and Nanhui districts),greenspace SOC density is higher than that in the central commercial areas(Hongkou,Putuo,Changning,and Zhabei districts) and in newly developed district(Pudong District).Uncertainties still exist in the estimation of urban forest carbon in Shanghai,as well as in other Chinese cities.Thus,future research directions are also discussed in this paper. 关键词：城市森林碳储量上海土壤有机碳密度城市化进程特征土地利用类型城市公园

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Characteristics of carbon storage in Shanghai's urban forest

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