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量化景观和息地特征对城市息地区域鸟类群组结构的影响

Yun Zhu^1,2, Yu Liu¹, Shang Sheng¹

¹Key Laboratory of National Forestry and Grassland Administration On Biodiversity Conservation in Karst Mountainous Areas of Southwestern China, School of Life Sciences, Guizhou Normal University, Guiyang, 550001, China.

Scientific reports

|June 3, 2024

概括

补丁面积和息地多样性显著影响城市鸟类的丰富性. 多样化的息地和植物组成是鸟类聚集的关键,指导生物多样性保护的城市规划.

科学领域:

城市生态学城市生态学
保护生物学保护生物学
景观生态学景观生态学

背景情况:

碎片化息地的生物多样性对于可持续发展至关重要,特别是在城市地区.
岛屿生物地理理论和息地多样性假设为碎片化息地中的物种聚集提供了相互竞争的解释.
景观与息地特征的相对重要性仍未得到充分探索.

研究的目的:

研究碎片化的城市息地中的鸟类聚集的决定因素.
评估景观和息地特征在构建鸟类丰富性和组成中的作用.
为城市规划和生物多样性保护战略提供信息.

主要方法:

在26个城市息地区域,在6个繁殖季节 (2017-2022) 进行了14次鸟类调查.
记录了70种繁殖鸟类,分析了丰富性和组合成分.
检查了补丁面积,息地丰富度,隔离,周边与面积的比率和植物丰富性的影响.

主要成果:

补丁面积直接和间接地影响了鸟类丰富度,以息地丰富度为媒介.
隔离,PAR和植物丰富性并没有显著预测鸟类丰富性.
鸟类组合组成与存在的息地类型和木质植物物种有很强的相关性.

结论:

无论是岛屿生物地理理论还是息地多样性假设都不能完全解释这个城市系统中的鸟类丰富性;补丁面积是关键.
息地和植物组成是鸟类组合变化的主要驱动因素.
保护应优先考虑城市景观中的大面积和多样性息地,以支持超级社区.

关键词:

鸟类鸟类鸟类鸟类共同体的组成共同体的组成息地碎片化息地碎片化息地的异质性息地的异质性种类丰富性种类丰富性

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