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南京城市森林生态系统的碳储量和碳密度研究(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2011年04期
Page:
18-22
Column:
研究论文
publishdate:
2011-07-31

Article Info:/Info

Title:
Carbon storage and density of urban forest ecosystems in Nanjing
Author(s):
WANG Zuhua LIU HongmeiGUAN Qingwei* WANG XiaojieHAO JunpengLING NingSHI Cong
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China)
Keywords:
carbon storage carbon density urbanization forest structure Nanjing
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2011.04.004
Document Code:
A
Abstract:
Based on the data from the sixth forest resources inventory, soil survey dates and the volumederived biomass equations. The carbon storage and carbon density of urban forest ecosystem in Nanjing were evaluated. The results indicated that, carbon storage of forest ecosystem in Nanjing was 3.098 Tg, in which the carbon storage of forest vegetationand of soil organic were 1.357 Tg and 1.741 Tg, respectively. The main characters of carbon storage in Nanjing was following: carbon storage of urban forest was significant higher than that of suburbs (p<0.05), and the carbon storage capacity of forest in different times sorted in descending order: middleage forest, young forest, nearmature forest, mature forest and overmature forest, significant difference was only found exists between the middleage forest and overmature forest (p<0.05), also the carbon storage of coniferous was significantly higher than that of the mixed forest (p<0.05), the carbon storage of plantation forest was significant larger than natural forest (p<0.05). Carbon density of forest ecosystem in Nanjing was 38.69 Mg/hm2, of which vegetation and soil organic were 16.92 Mg/hm2 and 21.77 Mg/hm2, respectively. Stand types,stand age and origin had no significant impact on carbon density (p>0.05), but the carbon density of trees planted in roadside was significant lower than that of other regions.

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Last Update: 2011-08-13