中国森林乔木林碳储量及其固碳潜力预测

doi:10.12006/j.issn.1673-1719.2017.102

气候变化研究进展 ›› 2018, Vol. 14 ›› Issue (3): 287-294.doi: 10.12006/j.issn.1673-1719.2017.102

中国森林乔木林碳储量及其固碳潜力预测

李奇¹,朱建华^1,²(),冯源¹,肖文发^1,²

1 中国林业科学研究院森林生态环境与保护研究所,北京 100091
2 南京林业大学南方现代林业协同创新中心,南京 210037

收稿日期:2017-05-27 修回日期:2017-08-02 出版日期:2018-05-31 发布日期:2018-06-07
作者简介:李奇,男,博士研究生,liqicaf@163.com
基金资助:
中央级公益性科研院所基本科研业务费专项资金(CAFRIFEEP201503)

Carbon storage and carbon sequestration potential of the forest in China

Qi LI¹,Jian-Hua ZHU^1,²(),Yuan FENG¹,Wen-Fa XIAO^1,²

1 Institute of Forest Ecology, Environment and Protection, Chinese Academy of Forestry, Beijing 100091, China
2 Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing 210037, China

Received:2017-05-27 Revised:2017-08-02 Online:2018-05-31 Published:2018-06-07

摘要/Abstract

摘要：

加强对我国森林碳储量和固碳潜力的研究,是制定中国增汇减排政策的重要依据,对我国国际气候谈判和全面了解森林碳汇潜力具有重要作用。利用我国第七次和第八次森林资源清查中各优势树种的面积和蓄积量数据,采用IPCC材积源生物量法（volume-biomass method),估算了我国森林（乔木林）碳储量和碳密度及其分布,分析我国不同省份天然乔木林和人工乔木林碳储量龄组结构特征;建立分区域、分起源主要优势树种的单位面积蓄积-林龄Logistic生长方程,结合我国森林2020年和2030年面积蓄积增长目标,预测我国乔木林2010—2050年间碳汇潜力。结果表明：第八次清查期间中国乔木林总碳储量为6135.68 Tg,碳密度为37.28 Mg/hm ²;天然乔木林和人工乔木林的碳储量分别为5246.07 Tg和889.61 Tg,分别占总碳储量的85.50%和14.50%。到2050年,中国乔木林和新造林的总碳储量和平均碳密度将分别达到11125.76 Tg和52.52 Mg/hm ²,与2010年相比分别增加81%和41%。分析结果表明中国乔木林有很大的碳汇潜力,将在应对和减缓全球气候变化中发挥重要作用。

关键词: 森林碳储量, 材积源生物量法, 采伐情景, 碳汇潜力

Abstract:

To strengthen the research of forest carbon storage and carbon sequestration potential, which is an important basis for the development of China’s policy of increasing carbon sequestration, plays an important role in climate change negotiations and comprehensive understanding of carbon sequestration potential in China. Based on the 7th (2004-2008) and 8th (2009-2013) national forest inventory data of China, IPCC volume-biomass method was used to estimate the carbon storage and carbon density of China’s provinces. The variations and age group characteristics of the carbon storage and carbon density were analyzed in the natural forest and artificial forest in China. The accumulation of per unit area-age groups logistic growth equation model was established different regions and different dominant species. Combined with the growth target of the forest area and accumulation in 2020 and 2030 in China, the future carbon sequestration potential was predicted. The main conclusions are as follows: The total carbon storage of forests in China is 6135.68 Tg, and the carbon density is 37.28 Mg/hm ²; The carbon storage of natural forest and plantation is 5246.07 Tg and 889.61 Tg, which account for 85.50% and 14.50% of total carbon storage, respectively. By 2050, carbon storage and carbon density of forest in China will reach 11125.76 Tg and 52.52 Mg/hm ², increasing by 81% and 41%, respectively compared with 2010. The results show that China’s forest has a great carbon sequestration potential, and will play an important role in combating and mitigating global climate change.

Key words: Forest carbon storage, Volume-biomass method, Logging scenarios, Carbon sequestration potential

李奇,朱建华,冯源,肖文发. 中国森林乔木林碳储量及其固碳潜力预测[J]. 气候变化研究进展, 2018, 14(3): 287-294.

Qi LI,Jian-Hua ZHU,Yuan FENG,Wen-Fa XIAO. Carbon storage and carbon sequestration potential of the forest in China[J]. Climate Change Research, 2018, 14(3): 287-294.

图/表 6

表1 西南地区主要优势树种（组）单位面积蓄积-林龄Logistic拟合方程

Table 1 The main dominant species in volume per unit area-age curve fitting equations in Southwest China

表2 各省市区可用于造林的无林地面积

Table 2 Non forested area of each province (autonomous region) that can be used for afforestation

表3 中国各省市区乔木林碳储量和碳密度

Table 3 Carbon storage and carbon density of forest in different provinces of China

表4 中国乔木林分起源和龄组碳储量分布状况

Table 4 Distribution of carbon storage in different origins and age groups of forest in China

表5 中国乔木林未来碳汇潜力

Table 5 Future carbon sequestration potential of Chinese forest

图1 中国乔木林未来蓄积量

Fig. 1 Future accumulation of Chinese forest

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中国森林乔木林碳储量及其固碳潜力预测

Carbon storage and carbon sequestration potential of the forest in China

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