Chapter

Competition

MARK A. HIXON

in The Ecology of Marine Fishes

Published by University of California Press

Published in print February 2006 | ISBN: 9780520246539
Published online March 2012 | e-ISBN: 9780520932470 | DOI: http://dx.doi.org/10.1525/california/9780520246539.003.0017
Competition

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This chapter explores the existence, mechanisms, and ecological importance of competition in California marine fishes. Following an overview of relevant definitions and concepts, it examines representative case studies in detail, and concludes with a brief discussion of the significance of studies of competition to fisheries. Competition occurs when organisms inhibit each other's access to shared resources that are actually or potentially in short supply), and thereby have negative effects on each other at the individual or population level. Because overlap in resource use is usually greater within than between species, intraspecific (within-species) competition is typically thought to be more intense than interspecific (between species) competition, all else being equal.

Keywords: ecological importance; California marine fishes; fisheries; short supply; intraspecific competition

Chapter.  10478 words.  Illustrated.

Subjects: Aquatic Biology

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