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评估长江到河水分转移项目区域的时空土地生态变化
Beibei Guo1, Wei Li1, Xuemin Kong1
1School of Business, Anhui University, Hefei, 230601, China.
Environmental science and pollution research international
|October 1, 2024
概括
这项研究评估了长江到河水分分流项目周围的土地生态功能. 虽然最初的建设改善了生态,但后来的阶段出现了恶化,突出了需要谨慎地管理土地的必要性.
科学领域:
- 环境科学 环境科学
- 生态生态学 生态生态学
- 可持续发展 可持续发展
背景情况:
- 土地对于人类发展和可持续发展目标至关重要.
- 生态功能与土地使用和管理密切相关.
- 大规模的基础设施项目,如转水,可以显著影响土地生态.
研究的目的:
- 开发一个框架来构建和优化生态功能空间.
- 分析长江到河水分分流项目期间陆地生态功能的时空变化.
- 在类似的项目中为土地生态保护和恢复提供见解.
主要方法:
- 建立了一个全面的土地生态指数系统 (自然基础,退化,生产,结构,保护).
- 利用遥感数据和身份差异相反的连接方法.
- 在项目建设 (2013-2022) 之前和期间,分析了各县的土地生态变化.
主要成果:
- 土地生态指数出现波动,平均值为0.1883 (2013年),0.1981 (2017年),0.2253 (2020年) 和0.1370 (2022年).
- 土地生态影响显示,不同程度在减少,但各县之间的矛盾却在增加.
- 生态功能最初在施工区附近得到改善,但在实施后恶化,影响随着距离的增长而呈指数级下降.
结论:
- 长江至河水分分流项目对区域土地生态产生了重大影响.
- 最初观察到生态改善,随后出现恶化,需要适应性管理策略.
- 建议包括改善土地格局,改善水质,增加供水量,减轻地下水过度开采.
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