On dome-shaped norms of reaction for size-to-age at maturity in fishes

Details

Serval ID
serval:BIB_1DD3CC895550
Type
Article: article from journal or magazin.
Collection
Publications
Institution
Title
On dome-shaped norms of reaction for size-to-age at maturity in fishes
Journal
Functional Ecology
Author(s)
Perrin N., Rubin J. F.
ISSN
0269-8463
Publication state
Published
Issued date
1990
Peer-reviewed
Oui
Volume
4
Number
1
Pages
53-57
Language
english
Abstract
The optimal size-to-age at maturity depends on growth and mortality rates, which vary with environment. Therefore, organisms in spatially or temporaly changing environments should develop adaptative phenotypic plasticity for this trait.
Experimental work by Alm (1959) on several fish species shows a dome-shape norm of reaction for size-to-age at maturity: size at maturity is smaller in both fast-growing and slow-growing fishes, than it is in fish with a medium growth rate.
Using computer simulations, we show that such a dome-shaped norm of reaction is optimal when assuming a finite life span and a negative relationship between production and survival rates. This latter assumption is supported by empirical data, as well as by physiological and emographic arguments.
Keywords
Fishes, growth and reproduction, life-history theory, mortality, optimization, phenotypic plasticity
Web of science
Create date
24/01/2008 17:53
Last modification date
20/08/2019 12:54
Usage data