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Chapter

The ecological and evolutionary importance of maternal effects in the sea

Chapter

The ecological and evolutionary importance of maternal effects in the sea

DOI link for The ecological and evolutionary importance of maternal effects in the sea

The ecological and evolutionary importance of maternal effects in the sea book

The ecological and evolutionary importance of maternal effects in the sea

DOI link for The ecological and evolutionary importance of maternal effects in the sea

The ecological and evolutionary importance of maternal effects in the sea book

ByDustin J. Marshall, Richard M. Allen & Angela J. Crean
BookOceanography and Marine Biology

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Edition 1st Edition
First Published 2008
Imprint CRC Press
Pages 48
eBook ISBN 9780429137259

ABSTRACT

School of Integrative Biology, The University of Queensland, St. Lucia, Qld, 4072, Australia E-mail: [email protected], [email protected], [email protected]

Abstract Maternal effects are non-genetic effects of the maternal phenotype or environment on the phenotype of offspring. Whilst maternal effects are now recognised as fundamentally important in terrestrial systems, they have received less recognition in the marine environment despite being remarkably common. The authors review the maternal effects literature and provide a simple framework for understanding maternal effects that increase offspring tness (termed anticipatory maternal effects) and maternal effects that increase maternal tness at the expense of offspring tness (termed selfish maternal effects). The review then addresses various well-studied (offspring size effects, maternal care, oviposition effects) and poorly studied (manipulating offspring dispersal potential, toxicant resistance, sibling competition, mate choice) examples of maternal effects in the marine environment with a focus on marine invertebrates and sh. Offspring size effects are strong and pervasive in the marine environment but the sources and underlying causes of offspring size variation remain poorly understood. More generally, the authors suspect that changes in offspring phenotype are often adaptive maternal effects in response to environmental change. Maternal effects are of particular importance to marine systems because they not only form a link between the phenotypes of different generations, but the biphasic life cycle of most marine organisms suggests that maternal effects also link the phenotypes of populations.

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