[1]陈田田ab*,黄 强b,王 强.基于生态系统服务供需关系的成渝城市群生态安全分区识别[J].山地学报,2022,(5):727-740.[doi:10.16089/j.cnki.1008-2786.000707]
　CHEN Tiantianab*,HUANG Qiangb,WANG Qiang.Ecological Security Zoning Identification of the Chengdu-Chongqing Urban Agglomeration Based on Supply-Demand Relation of Ecosystem Services[J].Mountain Research,2022,(5):727-740.[doi:10.16089/j.cnki.1008-2786.000707]
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基于生态系统服务供需关系的成渝城市群生态安全分区识别
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2022年第5期
页码:
727-740
栏目:
山区发展
出版日期:
2022-09-25

文章信息/Info

Title:
Ecological Security Zoning Identification of the Chengdu-Chongqing Urban Agglomeration Based on Supply-Demand Relation of Ecosystem Services
文章编号:
1008-2786-(2022)5-727-14
作者:
陈田田1a; 1b*; 黄 强1b; 王 强2
(1. 重庆师范大学 a. 三峡库区地表过程与环境遥感重庆市重点实验室; b. 地理与旅游学院,重庆 401331; 2. 重庆市规划和自然资源调查监测院,重庆 401121)
Author(s):
CHEN Tiantian1a; 1b*;  HUANG Qiang1b;  WANG Qiang2
(1. a. Chongqing Key Laboratory of Earth Surface Process and Environment Remote Sensing in the Three Gorges Reservoir Area; b. College of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China; 2. Chongqing Institute of Surveying and Monitoring for Planning and Natural Resources, Chongqing 401121, China)
关键词:
生态系统服务;  供需关系;  生态安全;  成渝城市群
Keywords:
ecosystem services;  the relationship between supply and demand;  ecological security;  the Chengdu-Chongqing urban agglomeration(CCUA)
分类号:
K901
DOI:
10.16089/j.cnki.1008-2786.000707
文献标志码:
A
摘要:
经济发展与快速城镇化给成渝城市群生态系统服务平衡带来了一定负面影响。科学掌握生态系统服务变化、识别生态安全分区对促进成渝城市群可持续发展具有重要意义。当前针对成渝城市群的生态安全分区研究多侧重于生态单一维度,强调生态系统服务供给能力的输出,较少考虑生态系统服务间的相互关系及其与社会需求的联系,无法全面解析生态安全分区的形成机理。本研究借助InVEST模型及相关方法,对成渝城市群地区多种生态系统服务供给量、需求量等进行量化,解析其空间分布特征,通过供需比和自相关分析明晰区域生态系统服务的盈亏状况和集聚特征,识别区域生态安全分区。结果表明:(1)成渝城市群土壤保持、固碳和粮食生产服务的供给量总值分别为7.32×104 t、4.40×109 t和1.03 ×108 t,在空间上高值区主要分布在研究区外围地区,低值区位于中部盆地丘陵带; 三类服务对应的需求量总值分别为1.65×104 t、1.12×108 t和3.62×107 t,其中,固碳和粮食生产服务需求量的高值区集中在城镇中心及其周边区域,而土壤保持服务的需求高值区位于高海拔地区;(2)生态系统服务整体呈现出供给大于需求的特征,但区域分布不均衡、局部地区供需矛盾突出; 生态系统服务供需关系的空间集聚特征明显,主要表现为高-高集聚和低-低聚集;(3)依据供需比的空间集聚特征和相关规划,将生态安全格局划分为三大区和八小区。本研究可以为成渝城市群经济与环境的可持续发展及生态安全格局优化提供科学参考。
Abstract:
Economic development and rapid urbanization usually has a negative impact on the ecosystem service balance in city agglomeration of China. As it is getting worse in the Chengdu-Chongqing Urban Agglomeration(CCUA), it is quite imperative to scientifically recognize the ecosystem services changes and make ecological security zoning for the resilience of ecosystem service balance of CCUA. Unfortunately, there was little attention from scientists to the ecological security zoning from multiple dimension of ecology, but instead more emphasis on the output of the supply potential of an ecosystem service, without inclusion of the mutuality of the components of an ecosystem service as well as their connections with social needs, all of which brought about a poor interpretation of the formation mechanism of ecological security zoning in CCUA. In this study, the InVEST model and related methods were used to quantify the supply and demand of various ecosystem services in CCUA and demonstrate their spatial distribution characteristics. Then, the profit and loss status and agglomeration characteristics of regional ecosystem services were analyzed, and ecological security zoning was identified by supply-demand ratio and autocorrelation analysis. Results show that:(1)The total supply value of soil conservation, carbon sequestration, and food production services in CCUA were 7.32×104 t, 4.40×109 t and 1.03×108 t, respectively; The high-value regions were mainly distributed in the periphery of CCUA and low-value regions were located at the central basin; The total demand value of the three ecosystem services were 1.65×104 t, 1.12×108 t and 3.62×107 t respectively; The high-value regions for carbon sequestration and food production were concentrated in urban centers and the surroundings, while the high-value regions for soil conservation lied in high-altitude areas.(2)Ecosystem services in CCUA appeared to be more supply than demand; Nonetheless, the regional supply-demand distribution of ecosystem services was unbalanced, and the local issue of supply-demand was outstanding; Concurrently, the spatial agglomeration of supply-demand ratio for ecosystem services was noticeable, manifested as high-high and low-low aggregation.(3)The regional ecological security zoning could divide into three regions and eight communities in terms of the spatial pattern of agglomeration of the supply-demand ratio and relevant planning. This study can provide a scientific reference for the sustainable development of economy and environment and the optimization of ecological security patterns in CCUA.

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备注/Memo

备注/Memo:
收稿日期(Received date): 2022-06-25; 改回日期(Accepted date): 2022-10-16
基金项目(Foundation item): 国家自然科学基金(42001090, 41971244); 重庆市教委科学技术研究项目(KJQN202000512)。 [National Natural Science Foundation of China(42001090, 41971244); Chongqing Municipal Education Commission Science and Technology Research Project( KJQN202000512)]
作者简介(Biography): 陈田田(1989-),女,博士,副教授,主要研究方向: 土地利用变化与生态响应。[CHEN Tiantian(1989-),female,Ph.D., associate professor,research on land use change and ecological response] E-mail: chentiantian@cqnu.edu.cn
更新日期/Last Update: 2022-10-30