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On the coexistence of three predatory stonefly species in a central Japanese stream

机译:关于日本中部三种掠食性石蝇物种的共存

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摘要

Three large-bodied stonefly species (Paragne-tina tinctipennis, Oyamia lugubris, and Kamimuria tibia-lis) coexist in a central Japanese stream. These species have been classified as predators. Here we study their microhabitat use while focusing on the physical environments, physiological activity, and food resources. We show that Paragnetina uses a niche with faster currents than other species throughout the year. Oyamia has seasonal flexibility in microhabitat preference, physiological activity, and food resources. Kamimuria is a rather stable species, independent of seasonal patterns.
机译:在日本中部一条河中共存三种大型石蝇(Paragne-tina tinctipennis,Oyamia lugubris和Kamimuria tibia-lis)。这些物种已被列为捕食者。在这里,我们研究它们的微生境使用,同时关注物理环境,生理活动和食物资源。我们显示,帕拉涅蒂纳(Paragnetina)全年使用的小生境流比其他物种快。 Oyamia在微生境偏好,生理活动和食物资源方面具有季节性灵活性。 Kamimuria是一个相当稳定的物种,独立于季节性模式。

著录项

  • 来源
    《Ecological research》 |2009年第3期|705-709|共5页
  • 作者单位

    Kiso Biological Station, Kyoto University, Kiso Fukushima, Nagano 397-0000, Japan Center for Ecological Research, Kyoto University, 2-509-3 Hirano, Otsu, Shiga 520-2113, Japan;

    Kiso Biological Station, Kyoto University, Kiso Fukushima, Nagano 397-0000, Japan;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    coexistence; current; diet; predators; stonefly;

    机译:共存当前;饮食;掠食者石蝇;

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