[Impact of Climate Change and Human Activities on the Ecological Sensitivity of the Yangtze River Economic Belt].

Q2 Environmental Science
Min An, Ya-Qian Wei, Wei-Jun He, Jin Huang, Xue Fang, Meng-Fei Song, Bei Wang
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引用次数: 0

Abstract

The increasing climate change and human activities exert their influence on the ecological sensitivity of the region individually and interactively. Therefore, a clear understanding of the impact of climate change and human activities on ecological sensitivity will enhance the resilience of the regional ecological environment and the level of sustainable development. This study took the Yangtze River Economic Belt, the first demonstration zone of China's ecological civilization construction, as the research object. Based on the meteorological, remote sensing, and statistical data of 130 cities in the whole region from 2001 to 2021, an index system of climate change, human activities, and ecological sensitivity was constructed. Response surface methodology (RSM) was used to explore the effects of climate and anthropogenic single factors and interactions on the ecological sensitivity in each region. The results showed that: ① The ecological sensitivity value of the belt fluctuated and rose in time, rising by 2.2% from 2001 to 2021. In terms of space, the overall spatial distribution was "high in the north and low in the south." In 2021, the proportion of severely and extremely sensitive cities in the Yangtze River Economic Belt reached nearly 50%. ② For a single factor, the distribution of the effect of the same factor had certain characteristics: The areas where the single factors of economic development, rainfall, and temperature had a positive impact on the ecological sensitivity were concentrated in the areas with higher or faster economic development, along and south of the Yangtze River. For the interaction factors, the effect of 78.6% of the factors on the ecological sensitivity was negative interaction, and the change of one factor level would change the direction of the effect of the other factor on the regional sensitivity. ③ The comprehensive ecological management area of the Yangtze River Economic Belt was divided based on the ecological sensitivity and climate sensitivity. The governance areas that needed priority improvement were clustered within the three urban agglomerations and their northern adjacent areas, which meant that the ecological sensitivity and climate sensitivity of a city had spillover effects. This study is expected to provide inspiration for the economic zone and even the national and global efforts in the field of regional ecological governance.

[气候变化和人类活动对长江经济带生态敏感性的影响]。
日益加剧的气候变化和人类活动对该地区的生态敏感性产生了单独和相互作用的影响。因此,清楚地认识气候变化和人类活动对生态敏感性的影响,可以提高区域生态环境的恢复能力和可持续发展水平。本研究以我国首个生态文明建设示范区--长江经济带为研究对象。基于全区 130 个城市 2001-2021 年的气象、遥感和统计数据,构建了气候变化、人类活动和生态敏感性指标体系。采用响应面方法(RSM)响应面法(RSM)探讨了气候和人为单因子及相互作用对各区域生态敏感性的影响。结果表明:①带内生态敏感度值在时间上波动上升,2001-2021 年上升了 2.2%。从空间上看,总体呈 "北高南低 "的空间分布。2021 年,长江经济带严重和极度敏感城市比例接近 50%。对于单因子而言,同一因子的效应分布具有一定的特点:经济发展、降雨、气温单因子对生态敏感性产生正向影响的区域集中在经济发展水平较高或较快的长江沿线和长江以南地区;对于单因子而言,同一因子的效应分布具有一定的特点:经济发展、降雨、气温单因子对生态敏感性产生正向影响的区域集中在经济发展水平较高或较快的长江沿线和长江以南地区。交互作用因子中,78.6%的因子对生态敏感性的影响为负交互作用,一个因子水平的变化会改变另一个因子对区域敏感性的影响方向。根据生态敏感性和气候敏感性对长江经济带生态综合治理区进行了划分。需要优先改善的治理区域集中在三个城市群及其北部邻近地区,这意味着一个城市的生态敏感性和气候敏感性具有溢出效应。本研究有望为经济区乃至国家和全球在区域生态治理领域的努力提供启示。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
环境科学
环境科学 Environmental Science-Environmental Science (all)
CiteScore
4.40
自引率
0.00%
发文量
15329
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