Body size in Batesian mimicry

Body size in Batesian mimicry
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贝茨拟态中的身体大小

DOI:
10.1007/s10682-022-10204-6
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发表时间:
2022
影响因子:
1.9
通讯作者:
Taylor C
Taylor C
中科院分区:
环境科学与生态学3区
文献类型:
--
作者:
Taylor C

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捕食者可以利用各种特征来区分不可口的猎物和可口的拟食动物。其中,身体大小作为一种可能的模仿特征很少受到关注。大小应该影响捕食者的行为,如果它显示模型和模仿之间的变化,是检测的捕食者的问题,并没有被其他特征更突出的捕食者。在模仿种群中,简单的预测是,完美的模仿者接受最低的捕食率。然而,猎物的身体大小通常与成功捕食者的营养产量和处理时间密切相关,并且可能与模型的防御水平相关。在某些情况下,这些混杂因素可能意味着(a)选择压力对模拟的大小模型的表型的任何一侧是不对称的,(B)最佳的身体大小的模拟不一定等于模型,和/或(c)捕食者,攻击更好的模仿模型的身体大小更容易是适应性的。我讨论了有前途的途径,以提高我们的身体大小作为一个模仿性状的理解,包括治疗的重要性,从模型的大小在两个方向的范围。需要进一步的工作,以了解身体大小排名显着性对其他模仿特征,如模式。比较研究可以调查模仿是否仅限于模仿已经在大小上相似的模型。
A variety of traits is available for predators to distinguish unpalatable prey from palatable Batesian mimics. Among them, body size has received little attention as a possible mimetic trait. Size should influence predator behaviour if it shows variation between models and mimics, is detectable by the predator in question, and is not overshadowed by other traits more salient to the predator. Simple predictions within mimetic populations are that perfect mimics receive the lowest predation rate. However, prey body size is typically tightly linked to the nutritional yield and handling time for a successful predator, as well as likely being correlated with a model’s levels of defence. In certain circumstances, these confounding factors might mean that (a) selection pressures on a mimic’s size either side of the model’s phenotype are not symmetrical, (b) the optimal body size for a mimic is not necessarily equal to that of the model, and/or (c) for predators, attacking better mimics of a model’s body size more readily is adaptive. I discuss promising avenues for improving our understanding of body size as a mimetic trait, including the importance of treatments that range in both directions from the model’s size. Further work is required to understand how body size ranks in saliency against other mimetic traits such as pattern. Comparative studies could investigate whether mimics are limited to resembling only models that are already similar in size.
高峰转移:回顾。
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