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在活动之前和之后,量化道路建设对鸟群的影响

Yiming Deng¹, Juan D Delgado², Yanina Benedetti¹

¹Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Kamýcká 129, Prague 6, CZ-165 00, Czech Republic.

Journal of environmental management

|July 27, 2025

概括

道路建设显著改变了鸟类群落,减少了专门物种. 暂停工作阶段提供了令人惊的息地价值,突出了基础设施开发期间有针对性的生物多样性监测的必要性.

科学领域:

生态生态学生态生态学
环境科学环境科学
保护生物学保护生物学

背景情况:

城市化和道路扩建分散了景观,减少了生物多样性.
道路建设活动对生态系统施加了巨大的压力.
关于不同道路施工阶段对生物多样性的影响的研究有限.

研究的目的:

评估新公路建设 (SE-40环路,塞维利亚) 在三个阶段对鸟类社区的影响:活动工程,暂停工程和自然控制.
分析鸟类物种组成,丰富度和生物多样性指标的变化.
识别生物指标物种并评估饮食专家物种的作用.

主要方法:

在正在建设,暂停工作和控制场所进行鸟类普查.
用于生物指标识别的使用指标值 (IndVal) 分析.
计算的鸟类生物多样性指标:物种丰富性,丰富性,香农多样性,辛普森多样性,饮食专家物种丰富性 (DSR) 和丰富性 (TAB).
使用非度量多维缩放 (NMDS) 和相似性分析 (ANOSIM) 来比较社区组成.

主要成果:

道路建设对鸟类物种组成产生了重大影响 (ANOSIM p < 0.001).
与对照组相比,活跃和暂停的工作阶段都显示出显著的差异.
生物多样性指标显示活跃建设期间的生物多样性更高,总体生物多样性更低 (香农=2.69,辛普森=0.92).
饮食专家物种的丰富性和丰富性从活跃工作到控制和暂停工作阶段下降.

结论:

道路建设阶段对鸟类群落产生深远影响,在活跃阶段和暂停阶段有明显的影响.
暂停工作阶段可以作为临时息地,为鸟群提供意想不到的生态价值.
具体的生物多样性监测和适应性道路规划对于减轻基础设施开发对野生动物的长期影响至关重要.

关键词:

人类压力的人类压力.鸟类组合是鸟类的集合.保护鸟类保护活动道路网络的道路网络.西班牙西班牙西班牙西班牙西班牙

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