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No room for males in caves: Female-biased sex ratio in subterranean amphipods of the genus Niphargus

Premate, Ester; Borko, Spela; Kralj-Fiser, Simona; Jennions, MIchael D; Fiser, Ziga; Balazs, Gergely; Biro, Anna; Bracko, Gregor; Copilas-Ciocianu, Denis; Hrga, Nusa; Herczeg, Gabor


Sex allocation theory predicts that the proportion of daughters to sons will evolve in response to ecological conditions that determine the costs and benefits of producing each sex. All else being equal, the adult sex ratio (ASR) should also vary with ecological conditions. Many studies of subterranean species reported female-biased ASR, but no systematic study has yet been conducted. We test the hypothesis that the ASR becomes more female-biased with increased isolation from the surface. We...[Show more]

CollectionsANU Research Publications
Date published: 2021
Type: Journal article
Source: Journal of Evolutionary Biology
DOI: 10.1111/jeb.13917


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