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分类多样性梯度的产生和维持。

Generation and maintenance of gradients in taxonomic diversity.

出版信息

Science. 1969 May 23;164(3882):947-9. doi: 10.1126/science.164.3882.947.

DOI:10.1126/science.164.3882.947
PMID:17775598
Abstract

Latitudinal gradients in diversity of organisms represent an equilibrium distribution for at least the last 270 x 10(6) years. Faunas endemic to tropical regions evolved significantly faster than extra-tropical faunas. The latitude-dependent difference in rates of evolution also represents an equilibrium condition for at least the last 270 x 10(6) years and has consequences for paleontological correlation of rocks because the attainable resolution depends on rate of evolution and will thus be greater in tropic regions than in extra-tropical ones.

摘要

生物多样性的纬度梯度代表了至少过去 270×10^6 年的平衡分布。热带地区特有的动物区系比亚热带地区的动物区系进化得更快。进化速度的纬度依赖性差异也代表了至少过去 270×10^6 年的平衡状态，这对岩石的古生物学相关性有影响，因为可达到的分辨率取决于进化速度，因此在热带地区会比在亚热带地区更高。

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