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The cost of ignoring cryptic diversity in macroecological studies: Comment on Martinez et al. (2017)

机译:在宏观生态学研究中忽略密码学多样性的代价:评论Martinez等。 (2017)

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Despite ample evidence indicating that Excirolana braziliensis corresponds to a species complex, Martinez et al. (2017; Mar Ecol Prog Ser 583:137-148) considered this isopod as a single species with a wide distribution along the Atlantic and Pacific coasts of the Americas, to evaluate the abundant-centre hypothesis (ACH). Multiple studies, however, have documented the presence of highly divergent lineages within this isopod, some of which may have separated millions of years ago, and with morphological differences reported among some of the lineages. The assumption of a single widespread species has led to misleading inferences regarding the underlying causes of ecological variation in this isopod, as indicated in recent phylogeographic studies. Therefore, it is surprising that a new macroecological study is considering E. braziliensis as a single widespread species again. The cost of ignoring its cryptic diversity is that the Martinez et al. (2017) study does not really contribute to our understanding of the ACH.
机译:尽管有足够的证据表明巴西Excirolana是一种复杂的物种,Martinez等。 (2017; Mar Ecol Prog Ser 583:137-148)认为该等足动物是单一物种,在美洲的大西洋和太平洋沿岸分布广泛,以评估丰富中心假设(ACH)。但是,多项研究表明,这种等足动物中存在高度不同的谱系,其中一些谱系可能已经分离了数百万年,并且据报道有些谱系之间存在形态差异。正如最近的系统地理学研究所表明的那样,对一个单一广泛分布物种的假设导致对该等足动物生态变化的根本原因的误导性推论。因此,令人惊讶的是,一项新的宏观生态学研究再次将巴西大肠埃希菌视为单一的广泛传播物种。忽略其神秘性多样性的代价是马丁内斯等人。 (2017年)的研究并没有真正帮助我们了解ACH。

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