基于InVEST模型对县域固碳能力评估研究

doi:10.13776/j.cnki.resourcesindustries.20231017.002

摘要/Abstract

摘要： 县域是我国行政管理的重要单元，针对县域尺度的固碳能力研究能够为生态系统固碳状况进行细致的表达，为县域碳管理提供决策支撑。本研究以浙江省台州市路桥区为例，采用生物量和InVEST模型两种常用的固碳能力评估方法，估算县域范围内碳储量和碳密度，对比分析县域和各乡镇之间的固碳水平，结果显示：生物量方法和InVEST模型计算得到路桥区碳储量分别为186 037.44 t和1 580 777.19 t，InVEST模型中包含的土壤碳库碳储量，造成结果差异较大。两种方法评估的碳密度在空间分布上相对一致，反映了路桥区的固碳能力呈现西部高、南部次之、中北部低的空间特征。研究结果可为县域资源开发利用、生态环境保护等工作提供依据。

关键词: InVEST模型, 县域, 固碳能力, 碳储量

Abstract:

County domain is China ‘s vital administrative units. Research of its carbon sequestration capacity can detail its ecological carbon sequestration status and provide references for authorities to make decisions. This paper employes biological volume and InVEST model, the two common ways in carbon sequestration, to estimate carbon reserve and density in Luqiao district, Taizhou city, Zhejiang province, and compares their carbon sequestration levels in county domains and in towns. Luqiao district ‘s carbon reserve is estimated at 186037.44t by biological volume, and at 1580777.19t by InVEST model, which includes that in soils, contributing to the variance. Carbon density, estimated by the two ways, is similar in geographically distributing, suggesting its carbon sequestration capability be high in western, followed by southern and low in central-northern. This paper presents references for county domains to develop resources and to protect ecological environment.

Key words:

InVEST model, county domain, carbon sequestration capability, carbon reserve

中图分类号:

F205

于舒逸, 田涛, 杜甘霖, 等.

基于InVEST模型对县域固碳能力评估研究 [J]. 资源与产业, 2023, 25(5): 134-141.

YU Shuyi, TIAN Tao, DU Ganlin. et al. EVALUATION OF COUNTY DOMAIN CARBON SEQUESTRATION CAPACITY BASED ON INVEST MODEL[J]. Resources & Industries, 2023, 25(5): 134-141.

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