[基于生态系统服务交易协同效应的河北省优先优化地区的确定]
1School of Urban Geology and Engineering, Hebei GEO University, Shijiazhuang 050031, China.
Huan jing ke xue= Huanjing kexue
|December 19, 2025
概括
河北省的生态系统服务下降,息地质量和碳储量下降. 在中部和南部地区确定了生态改善的优先领域,为保护工作提供了基础.
科学领域:
- 生态经济学和环境科学专注于生态系统服务评估和管理.
背景情况:
- 了解生态系统服务的时空动态对于可持续发展和生态资产管理至关重要.
- 河北省在平衡经济增长与环境保护方面面临挑战,需要对其生态系统服务进行评估.
研究的目的:
- 研究1990年至2020年河北省关键生态系统服务 (碳储存,息地质量,水资源保护,土壤保护) 的演变模式.
- 评估这些服务之间的权衡和协同作用,并确定优化优先领域.
- 为该地区的生态环境保护和生态资产管理提供理论基础.
主要方法:
- 利用InVEST模型评估四种生态系统服务:碳储存,息地质量,水资源保护和土壤保护.
- 雇佣的空间自相关性和生态系统服务权衡协同度 (ESTD) 模型来分析权衡和协同作用.
- 应用贝叶斯网络来设计优化场景,并确定改善生态系统服务的优先领域.
主要成果:
- 碳储存和息地质量呈现下降趋势,而土壤保护最初呈现下降,随后增加.
- 高生态系统服务分布集中在河北东北部,较低的分布在中南部地区.
- 协同效应关系主导了生态系统服务的相互作用,在特定服务之间存在显著的变化和低协同效应的时期.
结论:
- 降水量,潜在的蒸发透气,海拔和土地使用类型被确定为影响生态系统服务的关键变量.
- 确定了优先优化区域,主要位于河北中部和南部,占全省总面积的5.93%.
- 该研究为生态系统功能区划和对河北省生态管理的有针对性的改进提供了科学基础.
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