利用江苏省第4次(2000年)和第5次(2005年)森林资源清查主要数据汇编，建立不同森林类型生物量与 蓄积量之间的回归方程，对江苏省森林植被的碳储量和碳密度动态变化及其碳汇经济价值进行了估算。结果 表明：2005年全省森林总碳储量约为2 516.56万t，2000—2005年间年均增加约160.0万t，表明其是CO2的“ 汇”，平均碳密度约为21.2 t/hm2，远小于全国和世界的平均值。从地区分布看，苏南、苏中和苏北地区森 林碳储量分别占全省的18.54 %、8.68 %和72.78 %，在全省13个地级市中，徐州市的森林植被碳储量最大， 占全省总量的20.93 %，其次是宿迁市、淮安市，最低的是南通市，仅占全省的0.92 %；平均碳密度以苏南 较高、苏中次之、苏北较低。从森林类型看，全省大部分碳储量集中在阔叶林中，杨树是优势树种，5年间 杨树造林面积增加值占全省新增林地面积的90.27 %，占全省森林总碳储量的比例由39.51 %增加到66.12 % ；针叶林造林面积和碳储量均呈现下降趋势。从龄组看，全省森林碳储量主要集中在幼龄林和中龄林中， 2005年两者之和约占全省总量的72.86 %。5年间全省累计森林碳汇经济价值约96.0亿元。
Abstract
According to the forest inventory data of Jiangsu in 2000 and 2005, the dynamic carbon storage, carbon density and the economic value of forest in Jiangsu were assessed by means of the regression equation between stand biomass and volume of different forest types. The results showed that total carbon storage of forest in Jiangsu was 25 165 600 t in 2005, with an annual increment of about 1 600 000 t from 2000 to 2005, which suggested that the forests in Jiangsu province were the important sink of CO2. The average carbon density was 21.2 t/hm2, far less than the national and global average level. The carbon storage in three different geographical areas (the south, the centre and the north of Jiangsu province) accounted for 18.54 %, 8.68 % and 72.78 % respectively. Xuzhou had the most carbon storage among all of the 13 prefectures in Jiangsu (20.93 %), followed by Suqian and Huai’an, while Nantong had the least carbon sink (0.92 %). The north of Jiangsu had the highest average carbon density, and the next is the centre and the south of Jiangsu. Among the forest types, most of the carbon storage sank in the broadleaved forest, in which, poplar was dominant species. Poplar plantation areas accounted for 90.27 % of all the new forest and carbon sank in poplars increased from 39.51 % to 66.12 %. The planting area and carbon storage have been declining of coniferous forest. From the age group, carbon storage is abundant in the young and middleaged forests, which accounts for 72.86 % of the total carbon sink in trees in 2005. In those five years, the total economic value of carbon sink was about 9.6 billion RMB in Jiangsu province.
{{custom_sec.title}}
{{custom_sec.title}}
{{custom_sec.content}}
参考文献
[1]Ceulemans R, Janssens I A, Jach M E. Effects of CO2 enrichment on trees and forests: lessons to be learned in view of future ecosystem studies[J]. Annals of Botany, 1999, 84: 577 -590.
[2]Lal R. Forest soils and carbon sequestration[J]. Forest Ecology and Management, 2005, 220: 242-258.
[3]Fang J Y, Chen A P, Peng C H. Changes in forest biomass carbon storage in China between 1949 and 1998[J]. Science, 2001, 292: 2320-2323.
[4]Piao S L, Fang J Y, Philippe Ciais. The carbon balance of terrestrial ecosystems in China [J]. Nature, 2009, 458: 1009-1014.
[5]周玉荣,于振良,赵士洞. 我国主要森林生态系统碳贮量和碳平衡[J]. 植物生态学报,2000,24(5):518- 522.
[6]方精云,陈安平. 中国森林植被碳库的动态变化及其意义[J]. 植物学报,2001,43(9):967-973.
[7]张德全,桑卫国,李日峰,等. 山东省森林有机碳储量及其动态的研究[J]. 植物生态学报,2002,26(增 刊):93-97.
[8]曹军,张镱锂,刘燕华. 近20年海南岛森林生态系统碳储量变化[J]. 地理研究,2002,21(5):551-560.
[9]焦秀梅,项文化,田大伦. 湖南省森林植被的碳贮量及其地理分布规律[J]. 中南林学院学报,2005,25 (1):4-8.
[10]光增云. 河南省森林碳储量及动态变化研究[J]. 林业资源管理,2006,4:56-61.
[11]黄从德,张健,杨万勤,等. 四川省及重庆地区森林植被碳储量动态[J]. 生态学报,2008,3:966-975.
[12]黄从德,张健,杨万勤,等. 四川森林植被碳储量的时空变化[J]. 应用生态学报,2007,18(12):2687- 2692.
[13]江苏省林业局. 江苏省森林资源报告[R]. 南京:江苏省林业局,2005.
[14]唐罗忠,生原喜久雄,黄宝龙,等. 江苏省里下河地区杨树人工林的碳储量及其动态[J]. 南京林业大学学 报:自然科学版,2004,28(2):1-6.
[15]方精云,陈安平,赵淑清,等. 中国森林生物量的估算:对Fang等Science一文(Science,2001,291:2320- 2322)的若干说明[J]. 植物生态学报,2002,26(2):243-249.
[16]刘国华,傅伯杰,方精云. 中国森林碳动态及其对全球碳平衡的贡献[J]. 生态学报,2000,20(5):733- 740.
[17]方精云,刘国华,徐嵩龄. 我国森林植被的生物量和净生产量[J]. 生态学报,1996,16(5):497-508.
[18]王兵,杨锋伟,郭浩. LY/T 1721,森林生态系统服务功能评估规范[S]. 北京:国家林业局,2008.
[19]于贵瑞. 全球变化与陆地生态系统碳循环和碳蓄积[M]. 北京:气象出版社，2003.
基金
收稿日期：2009-03-23修回日期：2009-12-21基金项目：国家林业局林业公益性行业 科研专项(200704005;200804001)；江苏省林业三项工程项目(lysx[2007]27)；江苏省科技厅国际合作项目 (BZ2006060)作者简介：王磊(1980—)，助理研究员，博士生。Email: wl.stone@163.com。引文格式：王 磊,丁晶晶,季永华,等. 江苏省森林碳储量动态变化及其经济价值评价[J]. 南京林业大学学报:自然科学 版,2010,34(2):1-5.
PDF(735097 KB)
