Energy, risk, and reptilian reproductive effort: a reply to Niewiarowski and Dunham

Shine, R., Schwarzkopf, L., and Caley, M.J. (1996) Energy, risk, and reptilian reproductive effort: a reply to Niewiarowski and Dunham. Evolution, 50 (5). pp. 2111-2114.

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Abstract

[Extract] Based on simple mathematical models, Shine and Schwarzkopf (1992; SS) suggested that survival costs of reproduction were likely to be more important evolutionary determinants of reproductive effort (RE) than were growth costs in many reptiles, and hence that energy-based measures were unlikely to be of general use in testing predictions derived from RE theory. These conclusions were strongly challenged by Niewiarowski and Dunham (1994; ND), who argued that our models lacked generality. In this paper, we reexamine ND's analyses and show that their models actually support, rather than refute, our original conclusions.

Item ID: 36444
Item Type: Article (Refereed Research - C1)
Keywords: costs of reproduction, fecundity, lifetime reproductive success, lizards, offspring size, reproduction, reproductive effort, snakes, survival
ISSN: 1558-5646
Funders: Australian Research Council
Date Deposited: 19 Oct 2015 01:38
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060207 Population Ecology @ 100%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960805 Flora, Fauna and Biodiversity at Regional or Larger Scales @ 100%
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