[基于碳汇和景观连接的跨盆地生态安全模式的构建]
Meng-Wei Han1,2, Shuai-Pu Zhang1,2, Qin-Xue Xu1,2
1Collaborative Innovation Center for Water Pollution Control and Water Safety in Karst Area, Guilin University of Technology, Guilin 541006, China.
Huan jing ke xue= Huanjing kexue
|October 25, 2024
概括
丽连接区的土地利用变化影响了碳储存和生态安全模式. 城市化导致碳储量减少和生态网络转移,突出了适应性保护策略的需要.
科学领域:
- 生态生态学 生态生态学
- 环境科学 环境科学
- 地理 地理 地理 地理.
背景情况:
- 人造水系统和土地利用变化对生态系统产生重大影响.
- 跨盆地生态安全模式,整合碳汇和景观连接,对于区域环境保护至关重要.
研究的目的:
- 从2000年到2020年,分析土地利用变化及其对江 - 李河交汇区生态安全模式的影响.
- 评估碳储存和生态安全网络在这个跨盆地地区的时间和空间演变.
主要方法:
- 利用了跨越二十年 (2000-2020) 的土地使用数据.
- 使用InVEST模型与形态空间模式分析 (MSPA) 结合来评估生态安全.
- 分析了碳储存和景观模式的变化.
主要成果:
- 土地利用变化显示,森林,耕地和草原减少,流域和建筑用地增加.
- 碳储量最初增加 (2000-2010年),然后显著减少 (2010-2020年) 18.32×103,归因于土地使用转变.
- 生态来源波动,而生态走廊的总体长度下降;高生态阻力向东北扩大,生态安全模式的重心向西南移动.
结论:
- 土地使用动态,特别是城市化,对立连接区的碳储存和生态网络稳定性产生了负面影响.
- 将碳储存区与景观模式相结合,为构建跨盆地生态系统中强大的生态安全模式提供了一种新的方法.
- 结果为适应性管理策略提供了见解,以减轻城市化对区域生态完整性的影响.
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