Comparing the effect of elevated pCO2 and temperature on the fertilization and early development of two species of oysters

L M Parker; P M Ross; Wayne A O'Connor

doi:10.1007/s00227-010-1508-3

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Comparing the effect of elevated pCO2 and temperature on the fertilization and early development of two species of oysters

Journal article

Peer reviewed

Comparing the effect of elevated pCO2 and temperature on the fertilization and early development of two species of oysters

L M Parker, P M Ross and Wayne A O'Connor

Marine Biology, Vol.157(11), pp.2435-2452

2010

DOI: https://doi.org/10.1007/s00227-010-1508-3

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Abstract

bivalve

carbon dioxide

comparative study

fertilization (reproduction)

life history trait

morphology

reproductive success

synergism

temperature effect

Australia

crassostrea gigas

ostreidae

saccostrea glomerata

This study compared the synergistic effects of elevated pCO2 and temperature on the early life history stages of two ecologically and economically important oysters: the Sydney rock oyster, Saccostrea glomerata and the Pacific oyster, Crassostrea gigas. Gametes, embryos, larvae and spat were exposed to four pCO2 (375, 600, 750, 1,000 μatm) and four temperature (18, 22, 26, 30°C) levels. At elevated pCO2 and suboptimal temperatures, there was a reduction in the fertilization success of gametes, a reduction in the development of embryos and size of larvae and spat and an increase in abnormal morphology of larvae. These effects varied between species and fertilization treatments with S. glomerata having greater sensitivity than C. gigas. In the absence of adaptation, C. gigas may become the more dominant species along the south-eastern coast of Australia, recruiting into estuaries currently dominated by the native S. glomerata. © 2010 Springer-Verlag.

Details

Title: Comparing the effect of elevated pCO2 and temperature on the fertilization and early development of two species of oysters
Authors: L M Parker (Author) - University of Western Sydney
P M Ross (Author) - University of Western Sydney
Wayne A O'Connor (Author) - Port Stephens Fisheries Institute
Publication details: Marine Biology, Vol.157(11), pp.2435-2452
Publisher: Springer
Date published: 2010
DOI: 10.1007/s00227-010-1508-3
ISSN: 0025-3162
Organisation Unit: University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy
Language: English
Record Identifier: 99451094302621
Output Type: Journal article

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Collaboration types: Domestic collaboration
Web Of Science research areas: Marine & Freshwater Biology

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