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[基于CRITIC目标权重方法的三河源国家公园的生态敏感性评估]
Ying He1, Zhong-Qiu Zhao1, Zhen-Ran Mei1
1School of Land Science and Technology, China University of Geosciences (Beijing), Beijing 100083, China.
Huan jing ke xue= Huanjing kexue
|August 14, 2025
概括
三河源国家公园的生态敏感性评估显示,该国家公园处于中度敏感状态,高风险地区集中在兰河和黄河的头水. 这项研究为有针对性的保护和可持续发展战略提供了关键数据.
科学领域:
- 生态评估和环境风险分析.
- 保护科学和可持续发展规划.
- 地理空间分析和环境监测.
背景情况:
- 生态敏感性评估确定了环境不平衡的风险区域.
- 有针对性的保护需要精确识别脆弱地点.
- 三河源国家公园面临着环境变化和人类活动带来的生态挑战.
研究的目的:
- 量化评估三河源国家公园的生态敏感性.
- 确定受生态问题的影响,需要优先保护的关键区域.
- 探索生态环境保护和该地区可持续发展的有效方法.
主要方法:
- 构建了一个包括地形,气候,土壤,植被,物种,水资源和人类活动在内的多维评估指数系统.
- 使用CRITIC客观权重方法来评估生态敏感性,考虑指标变化和相关性.
- 利用GeoDa软件进行空间自相关分析和保护区的划分.
主要成果:
- 野生动物息地的缓冲距离,土地使用类型和高度是对生态敏感性评估最有影响的因素.
- 三河源国家公园表现出适度的生态敏感性,超过50%的地区被归类为高度或非常高的敏感性,从西北向东南增加.
- 观察到显著的空间自相关性和生态敏感性因素的聚类,热点集中在兰和黄河源区.
结论:
- 该研究成功量化了三河源国家公园的生态敏感性,突出了保护的关键区域.
- 调查结果支持制定有针对性的区域保护和管理战略,以实现可持续发展.
- 这项研究为平衡生态保护与公园的社会经济发展提供了宝贵的参考.
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