省际交界地区土地利用及生态系统服务价值预测——以淮海经济区为例
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江苏师范大学 地理测绘与城乡规划学院

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中图分类号:

F301.2

基金项目:

国家自然科学基金(42001191);江苏省自然科学基金项目(BK20191004);江苏师范大学研究生科研与实践创新计划项目(2024XKT0185)


Prediction of Land Use and Ecosystem Service Value in Inter provincial Border Areas: A Case Study of Huaihai Economic Zone
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Affiliation:

School of Geography,Geomatics and Planning,Jiangsu Normal University

Fund Project:

The National Natural Science Foundation of China(42001191);Natural Science Foundation of Jiangsu Province(BK20191004);Research and practice innovation program for Jiangsu Normal University graduate students(2024XKT0185)

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    摘要:

    [目的]省际交界地区是我国区域经济中的特殊单元,结合土地利用分析其生态系统服务价值可为省际交界地区生态经济统筹发展提供科学依据。[方法]基于PLUS模型和当量因子法,在分析省际交界典型地区淮海经济区2000-2020年土地利用演变特征基础上,评估其生态系统服务价值(ESV),预测其2030年不同情景下土地利用格局及生态系统服务价值。[结果]①研究区2000-2020年耕地与建设用地之间的转移最为密切,耕地转出面积为6127.58km2,其中89.76%转为建设用地。②自然发展情景下,耕地、林地、草地面积减少,建设用地、水域、未利用地面积增加;经济发展情景下,各地类的变化幅度比自然发展情景更大,生态环境将受不利影响;生态保护情景下,林地、草地和水域面积增加,生态环境将明显改善;统筹发展情景下,各地类面积基本介于经济发展和生态保护情景之间。③2000-2020年研究区ESV呈先降后升趋势,2030年自然发展、生态保护与统筹发展情景的ESV较2020年有所增加,经济发展情景下则略有缩减。ESV空间分布特征与土地利用格局基本一致,高值区主要分布在研究区的河流、湖泊地带,中值区主要分散于较高值区周边,而低值区和较低值区主要衔接成片聚集在研究区各个城市的中心城区。[结论]淮海经济区未来应注重国土空间结构的合理布局和对生态环境的保护,提升生态系统质量,促进区域可持续发展。

    Abstract:

    [Objective] The inter-provincial border area is a special unit of regional economy in China, and the analysis of its ecosystem service value combined with land use can provide scientific basis for the overall development of eco-economy in the inter-provincial border area. [Methods] Based on the PLUS model and equivalent factor method, the ecosystem service value (ESV) of Huaihai Economic Zone from 2000 to 2020 was evaluated based on the analysis of the evolution characteristics of land use change in Huaihai Economic Zone from 2000 to 2020, and the land use pattern and ecosystem service value (ESV) under different scenarios in 2030 were predicted. [Results]① The transfer between cultivated land and construction land was the closest in the study area from 2000 to 2020. The transfer area of cultivated land was 6127.58km2, of which 89.76% was converted to construction land. ② Under the natural development scenario, the area of cultivated land, forest land and grassland decreased, while the area of construction land, water area and unused land increased; Under the economic development scenario, the variation range of local classes is greater than that of natural development scenario, and the ecological environment will be adversely affected. Under the ecological protection scenario, the area of forest land, grassland and water area will increase, and the ecological environment will be significantly improved. Under the overall development scenario, the class area of each region is basically between the economic development and ecological protection scenario. ③ From 2000 to 2020, the ESV of the study area will decrease first and then increase. In 2030, the ESV of natural development, ecological protection and integrated development will increase compared with that of 2020, while it will decrease slightly under the economic development scenario. The spatial distribution characteristics of ESV are basically consistent with the pattern of land use. The high-value area is mainly distributed in the river and lake area of the study area, the median area is mainly dispersed around the high-value area, and the low-value area and low-value area are mainly connected and clustered in the central urban area of each city in the study area. [Conclusion] In the future, Huaihai Economic Zone should pay attention to the rational layout of territorial spatial structure and the protection of ecological environment, improve the quality of ecological system and promote regional sustainable development.

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  • 收稿日期:2024-08-16
  • 最后修改日期:2025-01-26
  • 录用日期:2025-02-07
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