Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/129981
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dc.contributor.authorNagelkerken, I.-
dc.contributor.authorAlemany, T.-
dc.contributor.authorAnquetin, J.M.-
dc.contributor.authorFerreira, C.M.-
dc.contributor.authorLudwig, K.E.-
dc.contributor.authorSasaki, M.-
dc.contributor.authorConnell, S.D.-
dc.date.issued2021-
dc.identifier.citationPLoS Biology, 2021; 19(1):1-21-
dc.identifier.issn1544-9173-
dc.identifier.issn1545-7885-
dc.identifier.urihttp://hdl.handle.net/2440/129981-
dc.description.abstractOcean acidification affects species populations and biodiversity through direct negative effects on physiology and behaviour. The indirect effects of elevated CO₂ are less well known and can sometimes be counterintuitive. Reproduction lies at the crux of species population replenishment, but we do not know how ocean acidification affects reproduction in the wild. Here, we use natural CO₂ vents at a temperate rocky reef and show that even though ocean acidification acts as a direct stressor, it can indirectly increase energy budgets of fish to stimulate reproduction at no cost to physiological homeostasis. Female fish maintained energy levels by compensation: They reduced activity (foraging and aggression) to increase reproduction. In male fish, increased reproductive investment was linked to increased energy intake as mediated by intensified foraging on more abundant prey. Greater biomass of prey at the vents was linked to greater biomass of algae, as mediated by a fertilisation effect of elevated CO₂ on primary production. Additionally, the abundance and aggression of paternal carers were elevated at the CO₂ vents, which may further boost reproductive success. These positive indirect effects of elevated CO₂ were only observed for the species of fish that was generalistic and competitively dominant, but not for 3 species of subordinate and more specialised fishes. Hence, species that capitalise on future resource enrichment can accelerate their reproduction and increase their populations, thereby altering species communities in a future ocean.-
dc.description.statementofresponsibilityIvan Nagelkerken, Tiphaine Alemany, Julie M. Anquetin, Camilo M. Ferreira, Kim E. Ludwig, Minami Sasaki, Sean D. Connell-
dc.language.isoen-
dc.publisherPublic Library of Science (PLoS)-
dc.rights© 2021 Nagelkerken et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.-
dc.subjectAnimals-
dc.subjectFishes-
dc.subjectAcids-
dc.subjectCarbon Dioxide-
dc.subjectEcosystem-
dc.subjectBiodiversity-
dc.subjectSeawater-
dc.subjectPopulation Growth-
dc.subjectReproduction-
dc.subjectHydrogen-Ion Concentration-
dc.subjectNew Zealand-
dc.subjectOceans and Seas-
dc.subjectFemale-
dc.subjectMale-
dc.subjectSexual Behavior, Animal-
dc.subjectStress, Physiological-
dc.subjectClimate Change-
dc.titleOcean acidification boosts reproduction in fish via indirect effects-
dc.typeJournal article-
dc.identifier.doi10.1371/journal.pbio.3001033-
dc.relation.granthttp://purl.org/au-research/grants/arc/FT120100183-
dc.relation.granthttp://purl.org/au-research/grants/arc/DP170101722-
dc.relation.granthttp://purl.org/au-research/grants/arc/FT0991953-
pubs.publication-statusPublished-
dc.identifier.orcidNagelkerken, I. [0000-0003-4499-3940]-
dc.identifier.orcidSasaki, M. [0000-0002-4832-2573]-
dc.identifier.orcidConnell, S.D. [0000-0002-5350-6852]-
Appears in Collections:Aurora harvest 8
Environment Institute publications

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