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从生态系统服务流的角度确定碳捕获的优先供应区域:对中国西北部的石阳河流域的案例研究
1College of Geography and Environmental Science, Northwest Normal University, No. 967 Anning East Road, Lanzhou, Gansu Province, PR China.
The Science of the total environment
|April 8, 2024
概括
确定生态系统碳捕获服务 (ECSS) 的关键领域对于生态安全至关重要. 这项研究绘制了西阳河流域ECSS供需的地图,揭示了保护的优先区域.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 地理空间分析是什么
背景情况:
- 维护区域生态安全和健康的生态系统需要确定关键供应区域.
- 生态系统服务流 (ESF) 为研究优先供应领域提供了一个新的视角.
研究的目的:
- 揭示石阳河流域 (SRB) 生态系统碳捕集服务 (ECSS) 的优先级供应模式.
主要方法:
- 利用土壤呼吸和卡内基-艾姆斯-斯坦福方法 (CASA) 模型来评估ECSS供应.
- 通过分析自然和人为因素来确定ECSS需求.
- 使用Python可视化ECSS流程轨迹和流动.
- 综合系统保护规划 (SCP) 以确定关键的供应区域.
主要成果:
- ECSS供应呈现出"南方高,北方低"的模式,而需求则集中在城市地区.
- 降水量和植被覆盖面较低的地区,主要是在中和下盆地,碳捕集流量较差,占流域约60%.
- 确定了优先级的ECSS供应区域,第一优先级覆盖盆地的19.3%,第二优先级覆盖盆地的21.46%.
结论:
- 严格的生态保护措施对于主要的ECSS供应地区至关重要,以确保持续的服务供应.
- 这项研究为制定政策提供了基础,以支持SRB的长期增长和生态管理.
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