退圩还湖背景下的区域生态敏感性变化研究——以兴化市为例

doi:10.13474/j.cnki.11-2246.2024.0822

测绘通报 ›› 2024, Vol. 0 ›› Issue (8): 128-134.doi: 10.13474/j.cnki.11-2246.2024.0822

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退圩还湖背景下的区域生态敏感性变化研究——以兴化市为例

蒋志昊¹, 王冬梅¹, 万骏², 石一凡¹, 吴勇锋¹

1. 江苏省水利科学研究院, 江苏南京 210017;
2. 江苏省水利厅, 江苏南京 210029

收稿日期:2023-12-07 发布日期:2024-09-03
作者简介:蒋志昊(1990—),男,硕士,工程师,主要从事河湖定量遥感、水生态修复、水利专项规划编制工作。E-mail:245133215@qq.com
基金资助:
水利部重大科技项目(SKS-2022072);省水利科技项目(2023022);省级科研院所自主科研项目(2023z034;2022z026;2022z031)

Research on the change of regional ecological sensitivity under the background of returning polder to lake: taking Xinghua city as an example

JIANG Zhihao¹, WANG Dongmei¹, WAN Jun², SHI Yifan¹, WU Yongfeng¹

1. Jiangsu Institute of Water Resources and Hydropower Research, Nanjing 210017, China;
2. Jiangsu Provincial Water Resources Department, Nanjing 210029, China

Received:2023-12-07 Published:2024-09-03

摘要/Abstract

摘要： 本文以江苏省兴化市为例,探究退圩还湖工程对区域生态敏感性的变化影响。基于AHP层次分析法,利用德尔菲法确定各评价因子权重,对退圩还湖前后兴化市生态敏感性进行单因素和多因素叠加分析。结果表明:①退圩还湖前后区域综合生态敏感性均值分别为2.37和2.43,标准差分别为1.18和1.28,生态敏感性提高,各敏感等级空间分布更加离散;②退圩还湖对水域缓冲区、土地利用和植被覆盖度敏感性影响较大,对高程、坡度、坡向敏感性影响较小,与里下河地区平原水网特征相关;③兴化市生态综合敏感性影响因素权重由大到小分别为:土地类型、植被指数、水域缓冲区、高程、坡度、坡向,各敏感等级的空间分布与前3项指标相似,呈现西北高于东南、郊区高于城镇的特征。本文可为退圩还湖后地方发展方向及生态评价提供科学指导。

关键词: 退圩还湖, 生态敏感性, 层析分析法, 转移矩阵

Abstract: Taking Xinghua city, Jiangsu province as an example, this study explores the impact of the reforestation project on regional ecological sensitivity. Based on the analytic hierarchy process (AHP), the weight of each evaluation factor is determined by Delphi method, and the ecological sensitivity of Xinghua city is analyzed by single factor and multiple factor superposition. The results showes as follows: ①The mean values of regional comprehensive ecological sensitivity are 2.37 and 2.43, and the standard deviations are 1.18 and 1.28, respectively. The ecological sensitivity is increased, and the spatial distribution of each sensitivity level is more discrete. ②The receding lake has a greater impact on the sensitivity of buffer area, land use and vegetation coverage, but a lesser impact on the sensitivity of elevation, slope and aspect of slope,which is related to the characteristics of the plain water network in the Lixia River area. ③The weights of influencing factors for the comprehensive ecological sensitivity of Xinghua city are as follows: The spatial distribution of land type, vegetation index, water area buffer, elevation, slope and slope direction were similar to the first three indexes, showing that northwest is higher than southeast and suburban was higher than urban. This study can provide scientific guidance for the planning and ecological evaluation of returning polder to lake.

Key words: returning polder to lake, ecological sensivitity, AHP, transition matrix

中图分类号:

P237

蒋志昊, 王冬梅, 万骏, 石一凡, 吴勇锋. 退圩还湖背景下的区域生态敏感性变化研究——以兴化市为例[J]. 测绘通报, 2024, 0(8): 128-134.

JIANG Zhihao, WANG Dongmei, WAN Jun, SHI Yifan, WU Yongfeng. Research on the change of regional ecological sensitivity under the background of returning polder to lake: taking Xinghua city as an example[J]. Bulletin of Surveying and Mapping, 2024, 0(8): 128-134.

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退圩还湖背景下的区域生态敏感性变化研究——以兴化市为例

Research on the change of regional ecological sensitivity under the background of returning polder to lake: taking Xinghua city as an example

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