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Dimensionless invariants for the optimal size (age) of sex change

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Please use this identifier to cite or link to this item: http://hdl.handle.net/1928/1660

Dimensionless invariants for the optimal size (age) of sex change

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dc.contributor.author Charnov, Eric en_US
dc.contributor.author Skúladóttir, Unnur en_US
dc.date.accessioned 2006-03-10T03:31:21Z
dc.date.available 2006-03-10T03:31:21Z
dc.date.copyright 2000
dc.date.issued 2000
dc.identifier.citation Charnov, E.L. and U. Skúladóttir. 2000. Dimensionless invariants for the optimal size (age) of sex change. Evolutionary Ecology Research 2:1067-1071 en_US
dc.identifier.uri http://hdl.handle.net/1928/1660
dc.description.abstract Optimization models have been widely and successfully used in evolutionary ecology to predict the attributes of organisms; perhaps the greatest quantitative success is in the area of sex allocation (sex ratio, sperm versus eggs for hermaphrodites, time as a male [female] for a sex changer), where the fact of having only one mother and one father makes Darwinian fitness a simple product of gain-via-male times gain-via-female. Previous work on sex change used the maximization of this male–female product to successfully predict the direction and age (size) for sex change, and that age has been shown to imply a breeding sex ratio biased towards the first sex. This paper unites recent advances in the comparative demography of organisms with indeterminant growth with the theory of optimal sex change to predict some new invariance rules for the relative age (size) of sex change. One of these rules is strikingly confirmed in a long term study of the size-at-sex-change in the northern shrimp, Pandalus borealis, off Iceland. en_US
dc.format.extent 1826 bytes
dc.format.extent 90951 bytes
dc.format.mimetype text/plain
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.publisher Evolutionary Ecology Research en_US
dc.subject dimensionless analysis en_US
dc.subject evolutionarily stable strategy en_US
dc.subject life history en_US
dc.subject sex allocation en_US
dc.title Dimensionless invariants for the optimal size (age) of sex change en_US
dc.type Article en_US


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