摘要
根据近3次森林资源普查资料和六大林业工程规划估算了中国森林植被的固碳现状和潜力。我国森林植物的碳贮量从第4次森林清查（1989-1994年）的4220.45 Tg C增加到第6次森林清查（1999-2003年）的5156.71Tg C,平均年增长率为1.6%,年固碳量为85.30-101.95Tg·a^-1,主要集中在西藏、四川、内蒙古、云南、江西、广东、广西、福建和湖南等省份。根据我国林业工程建设规划,到2010年规划完成时,林业工程每年新增的固碳潜力为115.46 Tg·a^-1,其中天然林资源保护工程、退耕还林工程、三北、长江流域等重点防护林建设工程、环北京地区防沙治沙工程和重点地区速生丰产用材林基地建设工程到2010年新增的固碳潜力分别为16.25、48.55、32.59、3.75和14.33 Tg·a^-1。
Forest ecosystems have a significant impact on the atmospheric CO2 cycle. Based on latest three forest resource inverntory and the plan of major forestry projects, the carbon sequestration status and potential of forest vegetation in China were estimated. The China forest carbon storage in the fourth （1989 -1994）, fifth and sixth （1999 -2003 ） inverntory increased from 4220.45, 4646.94 to 5156.71Tg respectively. The annual carbon sequestration increment was 85.30 - 101.95 Tg·a^-1, mainly located in Tibet, Sichuan, Inner Mongolia, Yunnan, Jiangxi, Guangdong, Guangxi, Fujian and Hunan provinces. According to Chinese Forestry Project Construction Plan, the annual carbon sequestration potential in the six major forestry projects was estimated to be 115.46 Tg·a^-1 by 2010 when the plan ends, which will be 1.1 -1.5 times the annual forest carbon sequestration at present in China. The annual carbon sequestration potential of the six major forestry projects are as follows： The Natural Forest Resources Protection Project （ 16. 25 Tg·a^-1 ）, The Returning of Cropland to Forest Project （48.55Tg·a^-1）, ＂Three Norths＂ and Yangtze River Forest Windbreak Projects （32.59 Tg·a^-1）, Beijing-Tianjin Surrounding Sand-Storm Control Project （3.75 Tg·a^-1） , The Fast Growing Timber Project （ 14.33 Tg·a^-1 ）. The implementation of the six major forestry projects will greatly increase the forest carbon sequestration potential in China and accordingly contribute to the reduction of global atmospheric CO2.
出处
《生态学报》
CAS
CSCD
北大核心
2008年第2期517-524,共8页
Acta Ecologica Sinica
基金
中国科学院创新工程重大资助项目(KZCX1-SW-01-17)
国家重点基础研究发展规划(973)资助项目(2002CB412503)~~
关键词
森林
六大林业工程
固碳现状
固碳潜力
forest
six major forestry projects
carbon sequestration status
carbon sequestration potential
