Journal Title
Title of Journal: Mar Biol
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Abbravation: Marine Biology
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Publisher
Springer Berlin Heidelberg
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Authors: Pablo SaenzAgudelo Geoffrey P Jones Simon R Thorrold Serge Planes
Publish Date: 2014/11/09
Volume: 162, Issue: 1, Pages: 3-14
Abstract
A major assumption of marine population ecology and marine fisheries management is that female size is related to the number of eggs they produced and therefore to the number of recruits they produce Yet this assumption has seldom been tested In the past the difficulties associated with following the fate of individual larvae through the pelagic phase have precluded such analyses Here we used field estimates of reproduction combined with DNA profiling of all members of a wild population of the panda anemonefish Amphiprion polymnus over two consecutive years to investigate 1 the predictors of egg production and 2 the predictors of the number of recruits produced We found that across one and two life history transitions female size was a significant predictor of egg production and egg production was a significant predictor of the number of recruits produced when controlling for farness respectively When looking across three life history transitions we found that large females and couples where no male replacement occurred were more likely to produce at least one recruit that settled within the local population than small females or females where the original male died and was replaced However we found no evidence supporting the hypothesis that larger females contributed numerically more recruits than smaller ones to local replenishment These findings provide the first support for the common assumption that egg production is correlated with recruit production They also suggest that the duration of partnership in anemonefishes couples might be an important factor in their population dynamicsWe would like to thank Peter Buston Bridget Green Emily Giles Myron A Peck Hugo Harrison and Glenn Almany for valuable comments on previous versions of the manuscript We thank Chris McKelliget Vanessa Messmer Juan David Arango Jennifer Smith Agnes Rouchon and the Motupore Island Research Centre staff for assistance in the field ARC Centre of Excellence the National Science Foundation OCE 0424688 the Coral Reef Initiatives for the Pacific CRISP the TOTAL Foundation Populations Fractionees et Insulares PPF EPHE and the Connectivity Working Group of the global University of Queensland – World Bank – Global Environmental Facility project Coral Reef Target Research and Capacity Building for Management for financial support Special thanks to Motupore Island Research Centre Dik Knight and Loloata Island resort for logistic support
Keywords:
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