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泰州市森林碳储量现状及碳汇能力分析

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基于泰州市森林资源监测数据,采用转换因子连续函数法计算泰州市辖区不同森林类型的碳储量,并分析泰州市森林资源碳汇能力.结果表明:泰州市辖区森林碳储量为 492366.50 t,其中乔木林碳储量为 477255.50 t,竹林碳储量为 6367.10 t,灌木林碳储量为 8743.91 t.4 个辖区中,姜堰区森林碳储量、碳密度均最高,分别为205631.75 t和 42.60 t/hm2,海陵区森林碳储量、碳密度均最低.林分类型中以其他硬阔叶树类、樟树、杨树的碳储量最高,分别占乔木林碳储量的 39.35%,18.00%,14.38%.乔木林中杨树碳密度最大,达 62.40 t/hm2,其次是樟树碳密度为57.84 t/hm2.与2010 年森林资源清查数据估算结果相比,泰州市辖区森林碳储量增加了53242.65 t,森林碳密度增长了 13.15 t/hm2;相对 2010 年,姜堰区森林面积减少了 53%,但森林碳密度增加了 2.10 倍,增长幅度最大;而海陵区的森林碳密度增长缓慢.总之,泰州市森林资源在碳汇能力方面得到了显著提升,阔叶树种是森林碳储量的主要贡献者,在今后可从树种配置和林龄结构优化等方面进一步提升泰州市森林碳汇能力.
Analysis of forest carbon storage and carbon sequestration capacity in Taizhou
Based on the annual monitoring data of forest resources in Taizhou,the carbon storage of different forest types in Taizhou was calculated by using the conversion factor continuous function method and the forest carbon sequestration capaci-ty was analyzed.The results showed that the total forest carbon storage in Taizhou was 49236.65 t,including 477255.50 t in arbor forest,6367.10 t in bamboo forest and 8743.91 t in shrub forest.Among the four districts,Jiangyan exhibited the highest levels of both forest carbon storage(205631.75 t)and carbon density(42.60 t/hm2)while Hailing had the lowest values at 56,942.26 t for forest carbon storage and 21.54 t/hm2 for carbon density.In different arbor forests,other hard broad-leaved species accounted for approximately 39.35%of total arbor forest carbon storage,followed by camphor tree(18%)and poplar(14.38%).The carbon density of poplar was the highest,which was 62.40 t/hm2,followed by camphor tree with 57.84 t/hm2.Compared with the estimation results of forest resource inventory data in 2010,the forest carbon storage increased by 53242.65 t,and the forest carbon density also increased by 13.15 t/hm2.Compared to 2010,Jiangy-an District experienced a 53%decrease in forest area,yet witnessed a 210%increase in carbon density,The forest carbon density in Hailing District increased slowly.In general,the carbon sequestration capacity of forest resources in Taizhou City has been significantly enhanced,with broad-leaved species playing a predominant role in forest carbon storage.Future ef-forts could be focused on adjusting the composition of tree species and optimizing the structure of forest age to further im-prove the forests'carbon sequestration potential in Taizhou.

Carbon storageCarbon densityCarbon sequestration capacityForestTaizhou City

叶军、朱妍妍、陈立勇、张露、邢玮、何冬梅

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泰州市林业技术指导中心,江苏 泰州 225300

江苏省林业科学研究院,江苏 南京 211153

江苏盐城滨海湿地生态系统国家定位观测研究站,江苏 盐城 224136

碳储量 碳密度 碳汇能力 森林 泰州市

江苏省林业科技创新与推广项目江苏省林业局揭榜挂帅项目

LYKJ[2022]05LYKJ[2022]01

2024

江苏林业科技
江苏省林业科学研究院 江苏省林业科技情报中心

江苏林业科技

影响因子:0.461
ISSN:1001-7380
年,卷(期):2024.51(3)