Population Dynamics and Recruitment

Bruce S. Miller and Arthur W. Kendall

in Early Life History of Marine Fishes

Published by University of California Press

Published in print October 2009 | ISBN: 9780520249721
Published online March 2012 | e-ISBN: 9780520943766 | DOI:
Population Dynamics and Recruitment

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Population dynamics is the study of fluctuations in abundance of populations. It considers how much populations vary, and over what timescales, and seeks to find the causes of these variations. Much of the study of population dynamics in fishes has focused on recruitment, since variations in annual reproductive output of populations seem to drive population abundance in most fishes. Recruitment is the number of juveniles in a population that annually survives the egg and larval stages. This chapter discusses the population dynamics of fishes, focusing on specific topics such as the factors affecting fish egg, larvae, and juvenile survival, causes of fish population fluctuations, and life history of fishes. This chapter also presents the different recruitment studies that have been conducted, discusses the future direction of recruitment studies.

Keywords: fishes; population dynamics; fish eggs; early life stages; larval fish; developmental stages

Chapter.  16524 words.  Illustrated.

Subjects: Aquatic Biology

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