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引用次数: 0
摘要
无脊椎动物的种子内吸传播虽然很少被记录，但由于其在种子较小的植物中的可行性而日益受到关注。最近的研究突出表明，陆生等脚类动物具有潜在的双重作用，既是种子传播者，又是捕食者，尤其是对果实肉质、种子细小的草本植物而言。然而，人们对这些截然不同的角色的决定因素还不甚了解。本研究探讨了 Porcellio scaber 的种内变异，研究了它作为种子捕食者和散播者的双重角色对 Monotropastrum humile（菊科）的影响。我们特别关注了等足类动物 P. scaber 的性别和体型（5.44-11.99 毫米）对种子传播或捕食的影响。我们的研究结果表明，种子传播效果与等足类动物的体型有明显的相关性，其中一些差异归因于性别差异。体型较小的等脚类动物主要捕食种子，而体型较大的个体则更有可能促进种子的传播，保持种子的活力。总之，我们的研究结果表明，体型是决定糙尾蟾蜍生态角色的关键因素。这对在种子扩散研究中使用物种水平平均数据的传统方法提出了挑战，强调了考虑种内差异以全面了解种子扩散的必要性。
Influence of body size on the dual role of isopod Porcellio scaber in seed dispersal and predation of the mycoheterotrophic plant Monotropastrum humile
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Ecological Entomology publishes top-quality original research on the ecology of insects and related invertebrate taxa. Our aim is to publish papers that will be of considerable interest to the wide community of ecologists who are motivated by ecological or evolutionary theory. The suitability of a manuscript will usually be assessed within 5 days.
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