Adult exposure to ocean acidification is maladaptive for larvae of the Sydney rock oyster, Saccostrea glomerata, in the presence of multiple stressors

L M Parker; Wayne A O'Connor; M Byrne; R Coleman; P Virtue; M Dove; M Gibbs; L Spohr; E Scanes; P M Ross

doi:10.1098/rsbl.2016.0798

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Adult exposure to ocean acidification is maladaptive for larvae of the Sydney rock oyster, Saccostrea glomerata, in the presence of multiple stressors

Journal article

Peer reviewed

Adult exposure to ocean acidification is maladaptive for larvae of the Sydney rock oyster, Saccostrea glomerata, in the presence of multiple stressors

L M Parker, Wayne A O'Connor, M Byrne, R Coleman, P Virtue, M Dove, M Gibbs, L Spohr, E Scanes and P M Ross

Biology Letters, Vol.13(2)

2016

DOI: https://doi.org/10.1098/rsbl.2016.0798

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Abstract

Biological Sciences

Parental effects passed from adults to their offspring have been identified as a source of rapid acclimation that may allow marine populations to persist as our surface oceans continue to decrease in pH. Little is known, however, whether parental effects are beneficial for offspring in the presence of multiple stressors. We exposed adults of the oyster Saccostrea glomerata to elevated CO2 and examined the impacts of elevated CO2 (control = 392; 856 µatm) combined with elevated temperature (control = 24; 28°C), reduced salinity (control = 35; 25) and reduced food concentration (control = full; half diet) on their larvae. Adult exposure to elevated CO2 had a positive impact on larvae reared at elevated CO2 as a sole stressor, which were 8% larger and developed faster at elevated CO2 compared with larvae from adults exposed to ambient CO2 These larvae, however, had significantly reduced survival in all multistressor treatments. This was particularly evident for larvae reared at elevated CO2 combined with elevated temperature or reduced food concentration, with no larvae surviving in some treatment combinations. Larvae from CO2-exposed adults had a higher standard metabolic rate. Our results provide evidence that parental exposure to ocean acidification may be maladaptive when larvae experience multiple stressors.

Details

Title: Adult exposure to ocean acidification is maladaptive for larvae of the Sydney rock oyster, Saccostrea glomerata, in the presence of multiple stressors
Authors: L M Parker (Author) - University of Sydney
Wayne A O'Connor (Author) - Port Stephens Fisheries Institute
M Byrne (Author) - University of Sydney
R Coleman (Author) - University of Sydney
P Virtue (Author) - University of Tasmania
M Dove (Author) - Port Stephens Fisheries Institute
M Gibbs (Author) - University of Sydney
L Spohr (Author) - NSW Department of Primary Industries
E Scanes (Author) - University of Sydney
P M Ross (Author) - University of Sydney
Publication details: Biology Letters, Vol.13(2)
Publisher: Royal Society Publishing
Date published: 2016
DOI: 10.1098/rsbl.2016.0798
ISSN: 1744-9561
Organisation Unit: University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy
Language: English
Record Identifier: 99451041902621
Output Type: Journal article

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