Chapter

The Species Accounts

Michael A. Patten, Guy McCaskie and Philip Unitt

in Birds of the Salton Sea

Published by University of California Press

Published in print August 2003 | ISBN: 9780520235939
Published online March 2012 | e-ISBN: 9780520929449 | DOI: http://dx.doi.org/10.1525/california/9780520235939.003.0005
The Species Accounts

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The Salton Sink essentially unites with the bed of historical Lake Cahuilla, which covers the area to a maximum elevation of approximately 15m above sea level. The Salton Sea includes all the Salton Sea, the southern Coachella Valley, the Imperial Valley, San Sebastian Marsh and the San Felipe Greek drainage, and the Mexicali Valley south to Campo Geotérmico Cerro Prieto. Lake Cahuilla was an emergence of the Salton Sea. The approximate sea-level line is a well-defined biogeographic boundary for birds in the region, as it strongly affects habitat and climate. Subspecies described solely on the basis of mean differences could be named indefinitely along a smooth cline, defeating the purpose of a trinomial. By paying attention to subspecies, readers can learn a great deal about migration, movements, and biogeography, but only if individual specimens can be assigned to particular geographic populations.

Keywords: Coachella Valley; biogeography; geographic populations; migration; Imperial Valley

Chapter.  156251 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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