Chapter

Macroecological Theory and the Analysis of Species Richness Gradients

Sean R. Connolly

in Marine Macroecology

Published by University of Chicago Press

Published in print October 2009 | ISBN: 9780226904115
Published online February 2013 | e-ISBN: 9780226904146 | DOI: http://dx.doi.org/10.7208/chicago/9780226904146.003.0011
Macroecological Theory and the Analysis of Species Richness Gradients

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The practice of attributing geographical variation in species richness to coincident variation in environmental conditions has a long history. In the marine realm, species richness gradients have been attributed to some of the same variables that have been invoked on land, such as average temperatures, seasonal climatic variability, habitat availability, and productivity. Explanations for particular patterns in the marine realm (e.g., longitudinal gradients in the Indo-Pacific) have also invoked mechanisms specific to those contexts, such as ocean currents, and vicariance events due to Plio-Pleistocene sea-level fluctuations.

Keywords: species richness; macroecological theory; marine species; diversity gradients; geographical variation; environmental mechanism; sea-level fluctuation

Chapter.  11572 words.  Illustrated.

Subjects: Animal Pathology and Diseases

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