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<p>To understand the contribution of animal communities in wetlands to regional biodiversity, we compared Aculeata communities among low-moor wetlands, natural deciduous forests, and coniferous plantations around Akkeshi-Bekanbeushi Wetland in eastern Hokkaido, Japan. Aculeata were collected using yellow pan traps. Based on the PERMANOVA results, species compositions of Aculeata communities were significantly different among wetlands and natural forests, suggesting that the communities in wetlands and the surrounding natural forests assembled independently. There was no difference in species diversity (SD) between wetlands and natural forests, but SD was found to be lower in plantations. Wetland communities were composed of species at lower trophic levels, i.e., pollinators, while forest communities were composed predominantly of primary predators. In the wetlands, although it was expected that above-ground nesting species, such as those that nest on reed stems, would dominate the wetland Aculeata community, below-ground nesting species also occurred. Our results show that both wetlands and natural forests contribute independently to local biodiversity.</p>

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Independent Aculeata communities assemble in low-moor wetlands and deciduous forests around Akkeshi-Bekanbeushi wetland, northeastern Japan

  • 期刊论文

  • 发表日期：

    2025年4月21日

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  • Kazushige Uemori,
  • Takuo Hishi

摘要

To understand the contribution of animal communities in wetlands to regional biodiversity, we compared Aculeata communities among low-moor wetlands, natural deciduous forests, and coniferous plantations around Akkeshi-Bekanbeushi Wetland in eastern Hokkaido, Japan. Aculeata were collected using yellow pan traps. Based on the PERMANOVA results, species compositions of Aculeata communities were significantly different among wetlands and natural forests, suggesting that the communities in wetlands and the surrounding natural forests assembled independently. There was no difference in species diversity (SD) between wetlands and natural forests, but SD was found to be lower in plantations. Wetland communities were composed of species at lower trophic levels, i.e., pollinators, while forest communities were composed predominantly of primary predators. In the wetlands, although it was expected that above-ground nesting species, such as those that nest on reed stems, would dominate the wetland Aculeata community, below-ground nesting species also occurred. Our results show that both wetlands and natural forests contribute independently to local biodiversity.