Speciation gradients and the distribution of biodiversity

Schluter Dolph; Pennell Matthew W.

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Speciation gradients and the distribution of biodiversity

机译：物种梯度和生物多样性的分布

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摘要

Global patterns of biodiversity are influenced by spatial and environmental variations in the rate at which new species form. We relate variations in speciation rates to six key patterns of biodiversity worldwide, including the species-area relationship, latitudinal gradients in species and genetic diversity, and between-habitat differences in species richness. Although they sometimes mirror biodiversity patterns, recent rates of speciation, at the tip of the tree of life, are often highest where species richness is low. Speciation gradients therefore shape, but are also shaped by, biodiversity gradients and are often more useful for predicting future patterns of biodiversity than for interpreting the past.

机译：生物多样性的全球格局受到新物种形成速度的空间和环境变化的影响。我们将物种形成率的变化与全球生物多样性的六种主要模式相关联，包括物种-区域关系，物种和遗传多样性的纬度梯度以及物种丰富度的栖息地差异。尽管有时它们反映了生物多样性的模式，但在生命树的顶端，近来的物种形成率通常最高，而物种丰富度较低。因此，物种梯度形成了生物多样性梯度，但也受到生物多样性梯度的影响，与预测过去相比，预测物种多样性通常更有用。

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来源
《Nature》 |2017年第7656期|48-55|共8页
作者
Schluter Dolph; Pennell Matthew W.;
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作者单位

Univ British Columbia, Biodivers Res Ctr, 6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada|Univ British Columbia, Dept Zool, 6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada;

Univ British Columbia, Biodivers Res Ctr, 6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada|Univ British Columbia, Dept Zool, 6270 Univ Blvd, Vancouver, BC V6T 1Z4, Canada;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
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Speciation gradients and the distribution of biodiversity

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