2013
DOI: 10.1186/1742-9994-10-10
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Sexual size dimorphism in anurans fails to obey Rensch’s rule

Abstract: BackgroundSexual size dimorphism (SSD) is related to ecology, behaviour and life history of organisms. Rensch’s rule states that SSD increases with overall body size in species where males are the larger sex, while decreasing with body size when females are larger. To test this rule, we analysed literature as well as own data on male and female body size in anurans (39 species and 17 genera). We also tested the hypothesis that SSD is largely a function of age difference between the sexes.ResultsOur data set en… Show more

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Cited by 47 publications
(59 citation statements)
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References 60 publications
(109 reference statements)
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“…The reason for the prevalence of female-biased SSD in amphibians is thought to be a result of the strong fecundity selection favouring large female size (Arak 1988;Monnet and Cherry 2002;Han and Fu 2013). Not surprisingly, interspecific studies of amphibians have revealed that SSD in amphibians does not follow Rensch's rule, but rather its inverse (Han and Fu 2013;De Lisle and Rowe 2013;Liao et al 2013). However, intraspecific tests of Rensch's rule in amphibians are, as yet, rare (but see Liao and Chen 2012;Lu et al 2014).…”
Section: Introductionmentioning
confidence: 96%
See 1 more Smart Citation
“…The reason for the prevalence of female-biased SSD in amphibians is thought to be a result of the strong fecundity selection favouring large female size (Arak 1988;Monnet and Cherry 2002;Han and Fu 2013). Not surprisingly, interspecific studies of amphibians have revealed that SSD in amphibians does not follow Rensch's rule, but rather its inverse (Han and Fu 2013;De Lisle and Rowe 2013;Liao et al 2013). However, intraspecific tests of Rensch's rule in amphibians are, as yet, rare (but see Liao and Chen 2012;Lu et al 2014).…”
Section: Introductionmentioning
confidence: 96%
“…For example, females are often larger than males in anurans and insects (e.g. Fairbairn 1997;Monnet and Cherry 2002;Liao et al 2013), whereas males are Abstract Variation in sexual size dimorphism (SSD) is a widespread phenomenon and is commonly attributed to variation in sex-specific patterns of selection. According to Rensch's rule, SSD increases with increasing body size when males are the larger sex, and decreases when females are the larger sex.…”
Section: Introductionmentioning
confidence: 99%
“…However, a growing number of examples highlight taxa exhibiting no general pattern of allometry or, in some cases, an opposite pattern of femaledivergent allometry ( fig. 1B; i.e., a situation opposite of Rensch's rule, where females are the more variant sex; Blanckenhorn et al 2007;Webb and Freckleton 2007;Herczeg et al 2010;Ceballos et al 2013;Halamkova et al 2013;Liao et al 2013). Thus, both whether male-divergent allometry is general and why patterns of allometry vary across taxa are unclear.…”
Section: Introductionmentioning
confidence: 98%
“…In the present study, SSD was calculated as the logarithm of the mean male to mean female height ratio, representing the differences between logarithms of the male and female height: (ln(M/F) 5 ln M 2 ln F). This is the most commonly used method to estimate SSD and is used with slight variations in all recent research with sexually dimorphic species of animals, for example fruit flies (Testa et al, 2013), frogs and toads (Liao et al, 2013), ground squirrels (Mat ejů and Kratochv ıl, 2013), dogs (Frynta et al, 2012), and non-human primates, extinct hominins, and living people (Plavcan, 2012).…”
Section: Methodsmentioning
confidence: 99%