Generation and Maintenance of Gradients in Taxonomic Diversity

Overview

Journal Science

Specialty Science

Date 1969 May 23

PMID 17775598

Citations 21

Authors

F G Stehli

R G Douglas

N D NEWELL

Affiliations

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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.

Citing Articles

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