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<p>Understanding the environmental factors shaping wetland attractiveness for waterbirds is an important issue in conservation biology. However, detailed data from numerous wetlands located in the Huaihe River Basin, especially those situated in Huaibei Plain, are still lacking. From March 2022 to February 2023, 12 monthly surveys were conducted on 10 protected areas in the Huaibei Plain. Multivariate analysis, in conjunction with Redundancy Analysis, Variation Partitioning, Mantel Tests, and Linear Regression, was employed to assess the impact of vegetation factors, landscape elements, and human disturbance on the multidimensional diversity of waterbirds. A total of 50,011 waterbirds representing 71 species were recorded. The size of water surface and the richness of patch types significantly influenced the seasonal distribution of waterbirds (<i>p</i> &lt; 0.05). The diversity of bird communities was closely associated with the shape index of water, as well as the proportion of ponds and farmland around wetlands. With an increase in vegetation coverage, there was a significant rise in species richness (<i>p</i> &lt; 0.05). Human disturbances emerged as a primary negative factor, adversely impacting species diversity, species richness, and phylogenetic diversity of waterbirds (<i>p</i> &lt; 0.05). Given the current scenario, a comprehensive management approach, considering both landscape and vegetation characteristics, is crucial for conserving the rich bird diversity in the wetlands of the Huaibei Plain. These findings provide key baseline data regarding the waterbird communities and may help to design effective protection and management plans.</p>

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Effects of Environmental and Anthropogenic Variables on Waterbird Diversity in Wetland Protected Areas in Huaibei Plain, East China

  • 期刊论文

  • 发表日期：

    2025年6月10日

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  • Yongmin Li,
  • Huidong Xu,
  • Xiaoyu Wang,
  • Dongwei Li,
  • Weigen Wang

摘要

Understanding the environmental factors shaping wetland attractiveness for waterbirds is an important issue in conservation biology. However, detailed data from numerous wetlands located in the Huaihe River Basin, especially those situated in Huaibei Plain, are still lacking. From March 2022 to February 2023, 12 monthly surveys were conducted on 10 protected areas in the Huaibei Plain. Multivariate analysis, in conjunction with Redundancy Analysis, Variation Partitioning, Mantel Tests, and Linear Regression, was employed to assess the impact of vegetation factors, landscape elements, and human disturbance on the multidimensional diversity of waterbirds. A total of 50,011 waterbirds representing 71 species were recorded. The size of water surface and the richness of patch types significantly influenced the seasonal distribution of waterbirds (p < 0.05). The diversity of bird communities was closely associated with the shape index of water, as well as the proportion of ponds and farmland around wetlands. With an increase in vegetation coverage, there was a significant rise in species richness (p < 0.05). Human disturbances emerged as a primary negative factor, adversely impacting species diversity, species richness, and phylogenetic diversity of waterbirds (p < 0.05). Given the current scenario, a comprehensive management approach, considering both landscape and vegetation characteristics, is crucial for conserving the rich bird diversity in the wetlands of the Huaibei Plain. These findings provide key baseline data regarding the waterbird communities and may help to design effective protection and management plans.