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福建省不同地区森林生态系统的碳汇潜力及经济价值

Regional Analysis and Economic Value Assessment of Potential Forest Ecosystem Carbon Sink in Fujian Province

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以全国森林资源清查和福建省地方政府年度报告数据为资料,采用蓄积量扩展模型,研究2015-2020年福建省不同地区的森林生态系统的碳汇潜力及其分布特征.结果表明:相比过去40 a,2015-2020年间福建省森林生态系统的碳汇有所提升;在2015-2020年间,福建省不同地区碳汇(CO2)的变化较大,介于46.9~2170万t·a-1,其中以南平市最高;碳汇密度(CO2)介于7.09~19.17 t·a-1·hm-2,以福州市最高;各地区分布特点,碳汇和人均碳汇为"西北高、东南低"、碳汇密度为"东北高、西部低";福建省碳汇经济价值为45.76亿元·a-1,不同地区变化幅度较大,介于0.20~9.30亿元·a-1之间,均值为5.08亿元·a-1;福建省GDP水平更低的地区,碳汇经济价值相对GDP的水平更高.自然禀赋的不同,是导致福建省不同地区间碳汇潜力呈现较大差异的主要原因.
Based on the results of the national forest inventory and annual government reports,the regional distribution and assess-ment of potential forest ecosystem carbon sink from 2015 to 2020 in Fujian Province were analyzed.The results indicated that:the carbon sink capacity of Fujian's forest from 2015 to 2020 improved compared to the past 40 years;from 2015 to 2020,the carbon sink capacity of Fujian's forest ecosystem ranged from 46.9 to 21.7 million t·a-1,and the maximum value was distributed in Nan-ping.Carbon sink per area(CPA)ranged from 7.09 to 19.17 t·a-1·hm-2,and the maximum value was distributed in Fuzhou;the high values of carbon sink capacity and carbon sink per capita(CPC)were concerned in the northwest of Fujian Province,while the high values of CPA were concerned in the northeast;the total economic value of forest ecosystem carbon sink capacity in Fujian was 45.76 billion yuan·a-1,ranging from 20 to 930 million yuan·a-1 in different prefectures,and the average was 508 million yuan·a-1;the ratios of economic value of forest ecosystem carbon sink to GDP were higher in cities with lower GDP.The great regional differ-ences in potential forest ecosystem carbon sink in Fujian Province may be related to the differences in natural endowments.

forest ecosystemcarbon sink capacitycarbon storageeconomic valueFujian Province

张泓宇、曹文志、杨盛昌

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厦门大学环境与生态学院,福建厦门 361102

森林生态系统 碳汇 碳储量 经济价值 福建省

2024

福建林业科技
福建省林学会,福建省林业科学研究院

福建林业科技

影响因子:0.528
ISSN:1002-7351
年,卷(期):2024.51(2)