Sven Ekman: On the 130th anniversary of his birth

Sven Ekman: On the 130th anniversary of his birth This paper provides a brief review of the biogeographic concepts of the renowned Swedish biogeographer, zoologist, and limnologist Sven Petrus Ekman (1876–1964). He was the author of the first systematized treatise on historical marine biogeography (Ekman, 1935, 1953), in which he formulated the concept of the relict nature of contemporary tropical biotas derived from the Paleogene biota of the Tethys. Ekman (1915, 1920, 1935) proposed a biogeographic definition of the term “relict”: a species (or genus, etc.) is relic to a region if it is isolated here from the main center of distribution and if its presence can only be explained by the fact that either it or its ancestral form were left behind under different environmental conditions than at present. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Marine Biology Springer Journals

Sven Ekman: On the 130th anniversary of his birth

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2006 by Pleiades Publishing, Inc.
Subject
Life Sciences; Freshwater & Marine Ecology
ISSN
1063-0740
eISSN
1608-3377
D.O.I.
10.1134/S1063074006020118
Publisher site
See Article on Publisher Site

Abstract

This paper provides a brief review of the biogeographic concepts of the renowned Swedish biogeographer, zoologist, and limnologist Sven Petrus Ekman (1876–1964). He was the author of the first systematized treatise on historical marine biogeography (Ekman, 1935, 1953), in which he formulated the concept of the relict nature of contemporary tropical biotas derived from the Paleogene biota of the Tethys. Ekman (1915, 1920, 1935) proposed a biogeographic definition of the term “relict”: a species (or genus, etc.) is relic to a region if it is isolated here from the main center of distribution and if its presence can only be explained by the fact that either it or its ancestral form were left behind under different environmental conditions than at present.

Journal

Russian Journal of Marine BiologySpringer Journals

Published: May 13, 2006

References

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