基于InVEST模型的连云港市赣榆区生态系统服务功能评价

赵立鸿; 马丹华; 王珅; 王晓辉; 屈帅

引用本文:	赵立鸿,马丹华,王珅,王晓辉,屈帅.基于InVEST模型的连云港市赣榆区生态系统服务功能评价[J].环境监控与预警,2025,17(1):79-87
	ZHAO Lihong,MA Danhua,WANG Shen,WANG Xiaohui,QU Shuai.Evaluation of Ecosystem Service Functions in Ganyu District， Lianyungang City， Based on InVEST Model[J].Environmental Monitoring and Forewarning,2025,17(1):79-87

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基于InVEST模型的连云港市赣榆区生态系统服务功能评价
赵立鸿^1,2，马丹华^3，4，5*，王珅^1,2，王晓辉^1,2，屈帅^1,2
1. 江苏省自然资源厅卫星遥感应用重点实验室，江苏省地质调查研究院，江苏南京 210018；2.自然资源江苏省卫星应用技术中心，江苏南京 210018；3.中国科学院流域地理学重点实验室，江苏南京 210008；4.中国科学院南京地理与湖泊研究所，江苏南京 210008；5.南京信息工程大学，江苏南京210044

摘要:

为更好地协调生态保护与社会经济发展的关系，科学评估区域生态系统服务功能及其重要性显得尤为重要。以连云港市赣榆区为研究对象，采用生态系统服务和权衡的综合评估（InVEST）模型，从固碳释氧、水质净化、生物多样性和水资源供给4项服务进行生态功能重要性评价分区，定量识别该区重要生态功能区。评价结果表明，赣榆区重要生态功能区总面积为383.06 km²，占全区总面积的25.93%；其中，Ⅰ级重要生态功能区面积为8.24 km²，Ⅱ级重要生态功能区面积为82.13 km²，Ⅲ级重要生态功能区面积为292.69 km²，初步构建了赣榆区生态安全格局，以促进本区生态系统保护与社会经济发展相协调。在此基础上，结合赣榆区农业发展现状，对三级重要生态功能区保护及全区农业开发利用提出了相应建议，为赣榆区优化国土空间格局、推进生态文明建设提供参考。

关键词: 生态系统服务功能 InVEST模型评价农业开发利用连云港

DOI：DOI：10.3969/j.issn.1674-6732.2025.01.013

分类号:X171.1

基金项目:国家自然科学基金（青年项目）（42107045）；江苏省海洋科技创新项目（JSZRHYKJ202207）

Evaluation of Ecosystem Service Functions in Ganyu District， Lianyungang City， Based on InVEST Model

ZHAO Lihong^1,2， MA Danhua^3,4,5*， WANG Shen^1,2， WANG Xiaohui^1,2， QU Shuai^1,2

1. Key Laboratory of Satellite Remote Sensing Applications, Department of Natural Resources of Jiangsu Province, Geological Survey of Jiangsu Province， Nanjing， Jiangsu 210018， China； 2. Jiangsu Provincial Satellite Application Technology Center of Natural Resources， Nanjing， Jiangsu 210018， China； 3. Key Laboratory of Watershed Geographic Sciences， Chinese Academy of Sciences， Nanjing， Jiangsu 210018， China； 4. Nanjing Institute of Geography and Limnology， Chinese Academy of Sciences， Nanjing， Jiangsu 210008， China； 5. Nanjing University of Information Science and Technology， Nanjing， Jiangsu 210044， China

Abstract:

To better coordinate the relationship between ecological protection and socio-economic development， it is particularly important to scientifically evaluate the regional ecosystem service functions and their importance. Taking Ganyu District， Lianyungang City（a hilly area in eastern Jiangsu） as the study area， this study applied the Integrated Valuation of Ecosystem Services and Trade-offs（InVEST） model to evaluate the importance of ecological functions in four services， namely carbon fixation and oxygen release， water purification， biodiversity， and water resource supply. Furthermore， this study quantitatively identified the key ecological function zones in the study area and put forward suggestions for their protection and restoration. The evaluation results showed that the total area of key ecological function zones in Ganyu District is 383.06 km²， accounting for 25.93% of the district's total area. Among these， the area of Level Ⅰ ecological function zones is 8.24 km²， the area of Level Ⅱ ecological function zones is 82.13 km²， and the area of Level Ⅲ ecological function zones is 292.69 km². A preliminary ecological security pattern has been established to facilitate the coordination of ecosystem protection and socio economic development in the district. Based on this foundation， combined with the current agricultural development status of Ganyu District， targeted suggestions are proposed for the protection of the three levels of ecological function zones and the agricultural development and utilization of the entire district. This study provides a reference for optimizing the spatial planning of Ganyu District and advancing ecological civilization.

Key words: Ecosystem service function InVEST model Evaluation Agricultural exploitation Lianyungang