Parental environment mediates impacts of increased carbon dioxide on a coral reef fish

Miller, Gabrielle M., Watson, Sue-Ann, Donelson, Jennifer M., McCormick, Mark I., and Munday, Philip L. (2012) Parental environment mediates impacts of increased carbon dioxide on a coral reef fish. Nature Climate Change, 2. pp. 858-861.

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Carbon dioxide concentrations in the surface ocean are increasing owing to rising CO₂ concentrations in the atmosphere. Higher CO₂ levels are predicted to affect essential physiological processes of many aquatic organisms, leading to widespread impacts on marine diversity and ecosystem function, especially when combined with the effects of global warming. Yet the ability for marine species to adjust to increasing CO₂ levels over many generations is an unresolved issue. Here we show that ocean conditions projected for the end of the century (approximately 1,000 μatm CO₂ and a temperature rise of 1.5–3.0 °C) cause an increase in metabolic rate and decreases in length, weight, condition and survival of juvenile fish. However, these effects are absent or reversed when parents also experience high CO₂ concentrations. Our results show that non-genetic parental effects can dramatically alter the response of marine organisms to increasing CO₂ and demonstrate that some species have more capacity to acclimate to ocean acidification than previously thought.

Item ID: 24584
Item Type: Article (Research - C1)
ISSN: 1758-6798
Keywords: ecology, biology, biodiversity and ecosystems, impacts
Date Deposited: 16 Jan 2013 06:34
FoR Codes: 06 BIOLOGICAL SCIENCES > 0602 Ecology > 060202 Community Ecology (excl Invasive Species Ecology) @ 50%
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 50%
SEO Codes: 96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960808 Marine Flora, Fauna and Biodiversity @ 100%
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