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RESEARCH PAPERS The Effects of Experimentally Induced Polyandry on Female

The Effects of Experimentally Induced Polyandry on Female
Reproduction in a Monandrous Mating System
Go¨ ran Arnqvist* & Jose´ A. Andre´s
* Animal Ecology, Department of Ecology and Evolution, Evolutionary Biology Centre, University of Uppsala, Uppsala, Sweden
Department of Ecology and Evolutionary Biology, Corson Hall, Cornell University, Ithaca, NY, USA
For females, benefits of polyandry might arise
through different pathways. First, females may gain
direct benefits from remating. Such direct benefits
include replenishment of depleted or unviable sperm
supplies (e.g. Thornhill & Alcock 1983; Arnqvist
1989; Siva-Jothy 2000), the transfer of nuptial gifts
and nutrients (e.g. Wedell 1997; Wiklund et al.
2001), access to resources (e.g. Martens & Rehfelt
1989), and protection from male harassment (e.g.
Rowe 1992). Secondly, females may benefit from
indirect genetic benefits from polyandry, such that
their offspring exhibit increased viability and/or
reproductive success (see Jennions & Petrie 2000 for


Source: Andrés, José - Department of Biology, University of Saskatchewan
Arnqvist, Göran - Department of Animal Ecology, Uppsala Universitet


Collections: Biology and Medicine; Environmental Sciences and Ecology