探索长江经济带典型生态系统服务之间的相互关系和驱动因素,中国
Liujie He1, Zeyang Xie1, Hanqing Wu2
1School of Resources and Environment, Key Laboratory of Poyang Lake Environment and Resource Utilization, Ministry of Education, Nanchang University, Nanchang, 330031, China; Jiangxi Institute of Ecological Civilization Nanchang University, Nanchang, 330031, China.
Journal of environmental management
|December 11, 2023
概括
2000-2020年,由自然因素驱动的长江经济带的生态系统服务,如水产,土壤保护,碳封存和粮食供应,增加了. 了解这些趋势和驱动因素是可持续发展政策的关键.
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:
- 了解生态系统服务及其驱动因素对于有效的环境政策和可持续发展至关重要.
- 长江经济带 (YREB) 是人类活动和生态过程相互作用的关键区域,需要详细的ES评估.
研究的目的:
- 调查2000年至2020年在YREB中关键生态系统服务 (水产,土壤保护,碳封存,食品供应) 的时空特征和趋势.
- 确定影响这些生态系统服务的主要驱动因素,并分析它们的相互关系.
- 揭示生态系统服务之间的捆绑,权衡和协同作用,以及它们与景观指数的关系.
主要方法:
- 利用自组织地图 (SOM) 方法来分类和绘制生态系统服务捆绑.
- 分析了时空趋势,热点和水产,土壤保护,碳捕获和粮食供应的驱动关系.
- 计算了多种生态系统服务景观指数 (MESLI),并评估了它与各种自然和社会经济驱动因素的关系.
主要成果:
- 这四种生态系统服务都呈现出日益增长的趋势,碳捕获显示出最显著的增长.
- 热点分析揭示了YREB上游,中游和下游的生态系统服务的独特空间模式.
- 自然因素被确定为所有四种生态系统服务的关键驱动因素,并确定了它们对服务提供和MESLI的影响的门.
结论:
- 在过去的二十年中,YREB中的生态系统服务捆绑,权衡和协同作用已经发展.
- 这些发现突出了生态系统服务及其驱动因素之间的复杂相互作用,为有针对性的生态系统管理和保护策略提供了科学基础.
- 这项研究为全球大规模经济区制定可持续发展政策提供了宝贵的见解.
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