TEMPORAL-SPATIAL ANALYSIS OF ECOSYSTEM'S SERVICING VALUES IN DEQING COUNTY

doi:10.13776/j.cnki.resourcesindustries.20240509.008

Abstract

Abstract: Evaluation of eco-system's servicing values provides a vital basis for land resources allocation, eco-environmental protection, carbon trading and ecological compensation standard, also one of the hot topics in research academy. Estimation of countywide eco-system's servicing values based on grid is key to countywide quality development.This paper, based on a case study on Deqing county, Huzhou city, Zhejiang province, uses Deqing's 2010, 2015 and 2020 land and economy data, using the method of material quality evaluation and its synergy and trade-off analysis to estimate Deqing's eco-system's servicing values, including their geographic distribution and temporal changes, and analyzes their correlation in Deqing and Deqing's townwide.Deqing's eco-system's servicing values reach to 3.033 7 billion CNY in 2010, 3.590 6 billion CNY in 2015 and 3.880 6 billion CNY in 2020, a rising trend.On their geographic distribution, eco-system's servicing values in the western are higher central and eastern.Temporal changes of eco-system's servicing values in 2010, 2015 and 2020 show a rising trend in Deqing's townwide.Correlation among Deqing's eco-system's servicing values shows a tradeoff relation between supply value and carbon sinking, oxygen releasing, water resources conservation, soil maintaining and organic matters producing, a synergistic relation among carbon sinking, oxygen releasing, water resources conservation, soil maintaining and organic matters producing in most Deqing's townwide.

Key words: eco-system's servicing values；InVEST model；synergy and tradeoff analysis, correlation analysis

摘要： 生态系统服务价值评估作为合理配置土地资源、保护生态环境、助力碳交易、制定生态补偿标准的重要前提，是当今学术界的热点研究课题之一，而基于栅格的县域生态系统服务价值测算与分析，则对推动县域的高质量发展具有十分重要的意义。为此，本文以浙江省湖州市德清县作为研究对象，基于2010年、2015年、2020年德清县的国土数据和社会经济发展数据，运用物质量评价法及其协同与权衡分析，从测算德清县的生态系统服务价值入手，不但研究了该县生态系统服务价值的空间分布，以及各乡镇生态系统服务价值的时间序列变化情况，而且还对德清县及其德清县各个乡镇的不同生态系统服务价值之间的相关性进行了深入探索。研究结果表明：1）2010年、2015年、2020年德清县的生态系统服务价值分别为30.337亿元、35.906亿元、38.806亿元，呈现出了递增的发展趋势，而德清县生态系统服务价值的空间分布特征则是西部地区的生态系统服务价值高于中部和东部地区的生态系统服务价值。2）由2010年、2015年、2020年德清县各乡镇生态系统服务价值的时间序列变化情况可以看出，3年间德清县各乡镇的生态系统服务价值均呈现出了上升趋势。3）在德清县各生态系统服务价值之间的相关性方面，供给价值与固碳价值、释氧价值、水源涵养价值、土壤保持价值、生产有机质价值之间均表现为权衡关系；固碳价值、释氧价值、水源涵养价值、土壤保持价值、生产有机质价值之间则表现为协同关系。4）德清县大部分乡镇生态系统服务的固碳价值、释氧价值、水源涵养价值、土壤保持价值、生产有机质价值之间均表现为了协同关系。

关键词: 生态系统服务价值, InVEST模型, 协同与权衡分析, 相关性分析

CLC Number:

X171.1

SUN Chenyang, LIU Yuzhu, TIAN Tao, et al.. TEMPORAL-SPATIAL ANALYSIS OF ECOSYSTEM'S SERVICING VALUES IN DEQING COUNTY[J]. Resources & Industries, 2024, 26(3): 125-133.

孙辰阳, 刘玉珠, 田涛, 等. 德清县生态系统服务价值时空分析[J]. 资源与产业, 2024, 26(3): 125-133.

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