Three Models for Mussel Ecology

David L. Strayer

in Freshwater Mussel Ecology

Published by University of California Press

Published in print October 2008 | ISBN: 9780520255265
Published online March 2012 | e-ISBN: 9780520942523 | DOI:
Three Models for Mussel Ecology

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Quantitative models are needed to integrate multiple controlling factors into a satisfactory understanding of mussel populations. Ecologists have either implicitly or explicitly adopted three general approaches—two mechanistic and one empirical—in dealing with the problem of multiple controlling factors. This chapter briefly evaluates each of these approaches. One common approach has been to assume that a single controlling factor logically must have precedence, so that other potential controls can be ignored. A second approach involves building a comprehensive model that includes all of the effects of each of the five classes of controlling factors (including their interactions) on unionoid populations. A third common approach is empirical modeling. Empirical models use whatever data is available and thought to be a useful to predict the variable of interest, without worrying about whether explicit or parameterized mechanistic links can be drawn between the independent and dependent variables.

Keywords: mussel population; unionoid population; mechanistic models; empirical models; population models; population modeling

Chapter.  7478 words.  Illustrated.

Subjects: Aquatic Biology

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