绿色低碳视域下长江经济带耕地生态外溢价值评估及时空变化分析
Assessment of ecological spillover value of cultivated land and its temporal and spatial changes in Yangtze River Economic Belt from a green and low-carbon perspective
夏炜祁 1张明辉 2张安录1
作者信息
- 1. 华中农业大学公共管理学院,武汉 430070
- 2. 华中师范大学公共管理学院,武汉 430079
- 折叠
摘要
为推进长江经济带耕地保护和绿色低碳发展,利用当量因子法、环境成本法等测算耕地生态服务价值和负外部性价值,结合耕地生态足迹和生态承载力,将长江经济带11省(直辖市)划分为盈余区、平衡区与赤字区,对耕地生态外溢价值进行评估,并分析时空变化特征.结果显示:(1)2011-2021年长江经济带耕地生态价值总量呈上升趋势,由3 670.37亿元上涨至4 661.55亿元,耕地生态外溢价值缓慢上升,由1 353.82亿元上涨至1 970.77亿元.(2)长江经济带耕地资源整体处于盈余状态,耕地生态价值总体呈现出"东低西高"的态势,四川省耕地生态价值和盈余量最高,上海市耕地生态价值最低.(3)2011-2021年间,浙江省和上海市处于耕地生态赤字区,四川省处于耕地生态高盈余区,重庆市和贵州省处于耕地生态平衡状态,江西省、安徽省和江苏省耕地生态盈亏无显著变化,云南省和湖北省耕地生态盈余水平有所上升,湖南省耕地生态盈余水平有所下降.基于此,长江经济带各省(直辖市)应充分利用自身资源和优势,制定和实施适应性的耕地保护策略,推动耕地资源的可持续利用,为实现长江经济带的生态优先、绿色低碳发展目标做出贡献.
Abstract
To promote the protection of cultivated land and green and low-carbon development in the Yangtze River Economic Belt,this study employed methods such as the equivalent factor method and the environmental cost method to quantify the ecological service value and negative externalities of cultivated land.By cakulating the ecological footprint and ecological carrying capacity of cultivated land resources,the 11 provinces in the Yangtze River Economic Belt were categorized into surplus areas,balanced areas,and deficit areas.The ecological spillover value of cultivated land was assessed,and its spatiotemporal variation characteristics were explored.The results showed that:Firstly,from 2011 to 2021,the total ecological value of cultivated land in the Yangtze River Economic Belt showed an increasing trend,rising from 367.037 billion yuan to 466.155 billion yuan.The ecological spillover value of cultivated land also gradually increased,from 135.382 billion yuan to 197.077 billion yuan.Secondly,cultivated land resources in the Yangtze River Economic Belt were in a surplus state overall.The ecological value of cultivated land exhibit-ed an"east-low and west-high"pattern.Sichuan had the highest ecological value and surplus quantity of cultivated land,while Shanghai had the lowest ecological value.Thirdly,from 2011 to 2021,the cultivat-ed land ecological values of Zhejiang and Shanghai were deficit,Sichuan was in the ecological high-surplus area,Chongqing and Guizhou were in a balanced state,and Jiangxi,Anhui,and Jiangsu showed no signifi-cant changes in the ecological surplus or deficit of cultivated land.Yunnan and Hubei provinces saw an in-crease in the ecological surplus of cultivated land,while Hunan province experienced a decrease.Based on this,each province in the Yangtze River Economic Belt should make full use of its own resources and ad-vantages,formulate and implement adaptive cultivated land protection strategies,so as to promote the sus-tainable use of cultivated land resources,and contribute to realize the goal of"ecological priority,green and low-carbon development"in the Yangtze River Economic Belt.
关键词
长江经济带/耕地碳排放/生态外溢价值/生态盈亏/绿色低碳Key words
Yangtze River Economic Belt/carbon emissions of cultivated land/ecological spillover value/ecological surplus and deficit/green low carbon引用本文复制引用
基金项目
国家社会科学基金重大项目(18ZDA054)
国家自然科学基金(72204096)
中国博士后科学基金特别资助项目(站中)(2023T160255)
出版年
2024
NETL
NSTL
万方数据