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<p>The abundance distribution of species varies during the natural restoration of plant communities, and the initial abundance patterns influence future community dynamics. Understanding these patterns can help optimize species selection and allocation in forest revegetation. This study examines 10 different mangrove communities in the coastal wetland of Nansha, Guangzhou, analyzing their taxonomic composition and similarity of plant communities. Rank-abundance curves (RACs) were used to quantify species abundance patterns across these communities. The results showed that: (1) the flora of Nansha coastal wetland is relatively homogeneous with plant species concentrated in a few families and genera. The wetland hosts 42 vascular plant species from 29 families and 40 genera, including 31 species from 18 families and 29 genera of Spermatophyta, and 11 species from 11 families and 11 genera of ferns. Common families include <i>Araceae</i>, <i>Primulaceae</i>, and <i>Pteridaceae</i> while common genera include <i>Alocasia</i>, <i>Ardisia</i> and <i>Acrostichum</i>. (2) Rank-abundance curves exhibited an inverse J-shape across all three vegetation strata, except for the species-family and genus-family distributions in the <i>Aegiceras corniculatum</i> community. RAC steepness <i>(k</i> values) varied widely, and species evenness differed significantly among communities. (3) Mangrove communities exhibit diverse life forms, including evergreen trees, shrubs (including semi-shrubs), ferns and perennial herbs. Restoration and plantation efforts should prioritize native mangrove species while promoting species richness and reducing rare species to enhance ecological complementarity. At the same time, it takes into account the problems of limiting proliferation and environmental constraints to optimize its ecosystem functioning.</p>

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Abundance Distribution Pattern of Species in Artificial Mangrove Communities in Nansha Coastal Wetland, Guangzhou, China

  • 期刊论文

  • 发表日期：

    2025年5月31日

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  • Hongping Niu,
  • Long Wei,
  • Chen Xiu,
  • Hui Zhang,
  • Praveen Kumar,
  • Jiahong Li,
  • Jianxiang Feng,
  • Zuoyun Yin

摘要

The abundance distribution of species varies during the natural restoration of plant communities, and the initial abundance patterns influence future community dynamics. Understanding these patterns can help optimize species selection and allocation in forest revegetation. This study examines 10 different mangrove communities in the coastal wetland of Nansha, Guangzhou, analyzing their taxonomic composition and similarity of plant communities. Rank-abundance curves (RACs) were used to quantify species abundance patterns across these communities. The results showed that: (1) the flora of Nansha coastal wetland is relatively homogeneous with plant species concentrated in a few families and genera. The wetland hosts 42 vascular plant species from 29 families and 40 genera, including 31 species from 18 families and 29 genera of Spermatophyta, and 11 species from 11 families and 11 genera of ferns. Common families include Araceae, Primulaceae, and Pteridaceae while common genera include Alocasia, Ardisia and Acrostichum. (2) Rank-abundance curves exhibited an inverse J-shape across all three vegetation strata, except for the species-family and genus-family distributions in the Aegiceras corniculatum community. RAC steepness (k values) varied widely, and species evenness differed significantly among communities. (3) Mangrove communities exhibit diverse life forms, including evergreen trees, shrubs (including semi-shrubs), ferns and perennial herbs. Restoration and plantation efforts should prioritize native mangrove species while promoting species richness and reducing rare species to enhance ecological complementarity. At the same time, it takes into account the problems of limiting proliferation and environmental constraints to optimize its ecosystem functioning.