将网络拓和生态系统服务纳入生态网络的优化:黄河流域的一个案例研究
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
|December 1, 2023
概括
黄河流域的生态网络 (EN) 使用生态系统服务质量和网络拓进行了优化. 这种方法提高了景观连接性和生物多样性的抗扰能力.
科学领域:
- 景观生态学 景观生态学
- 网络理论 网络理论
- 评估生态系统服务的评估
背景情况:
- 人类引起的景观碎片化对区域连接,生物多样性和可持续发展产生了负面影响.
- 生态网络 (EN) 可以减轻这些影响,但需要跨区域规划.
- 基于生态系统服务 (ES) 质量的优化EN可以改善景观连接.
研究的目的:
- 在黄河流域 (YRB) 建设和优化生态网络.
- 分析EN拓与关键生态系统服务之间的关系.
- 评估优化的EN.的稳定性和弹性.
主要方法:
- 使用景观生态学和复杂网络理论构建一个EN.
- 使用InVEST模型测量生物多样性,碳储存和风力破坏/沙子固定.
- 通过将网络拓与ES质量相结合,优化EN.
主要成果:
- 优化后的EN显示出更好的连接性和对随机和故意攻击的稳定性.
- EN拓与生物多样性和风力破坏/沙子固定相关,但不是碳储存.
- 在生态点和障碍物中观察到显著的变化,风力阻断和沙子固定能力增加了146%.
结论:
- 根据ES质量优化EN,提高景观连接性和弹性.
- 生态补丁需要根据其在网络中的作用制定不同的管理策略.
- 这项研究为高效的EN规划和YRB的区域间合作提供了一个框架.
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