Impact of ocean acidification on skeletal development in embryonic marine medaka

Wang Xiaojie; Xiao Xiao; Li Chao; Yue Na

doi:10.3969/j.issn.0253-4193.2015.12.012

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Wang Xiaojie, Xiao Xiao, Li Chao, Yue Na. Impact of ocean acidification on skeletal development in embryonic marine medaka[J]. Haiyang Xuebao, 2015, 37(12): 116-122. doi: 10.3969/j.issn.0253-4193.2015.12.012

Citation:

Wang Xiaojie, Xiao Xiao, Li Chao, Yue Na. Impact of ocean acidification on skeletal development in embryonic marine medaka[J]. Haiyang Xuebao, 2015, 37(12): 116-122. doi: 10.3969/j.issn.0253-4193.2015.12.012

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Impact of ocean acidification on skeletal development in embryonic marine medaka

doi: 10.3969/j.issn.0253-4193.2015.12.012

1.
Institute for Marine Biosystem and Neurosciences, Shanghai Ocean University, Shanghai 201306, China;International Center of Marine Study, Shanghai Ocean University, Shanghai 201306, China;Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources, Shanghai Ocean University, Shanghai 201306, China
2.
Institute for Marine Biosystem and Neurosciences, Shanghai Ocean University, Shanghai 201306, China

Received Date: 2015-02-09
Rev Recd Date: 2015-09-29

Abstract

Abstract

In this study,the impact of ocean acidification on the skeletal development in embryonic marine medaka was investigated. The seawater carbonate system in the water was maintained stable by aerating with ambient air(450×10^-6 CO₂) and CO₂-enriched air(1160×10^-6 or 1783×10^-6 CO₂). Newly fertilized medaka eggs were exposed to three levels of pCO₂/pH(8.14,7.85 and 7.67) until to the main hatch occurring. Skeletons of 30 new-hatched larvae from each CO₂ treatment were cleared,stained and photographed. Lengths of well stained 28 skeletal elements for ecah fish was measured using digital photograph and analyzed by image analysis software. Results showed that,the effects of exposure to elevated CO₂ concentrations on the length of representative skeletal elements were not significant. It suggested that the skeletal development of marine medaka would not be seriously affected by the changes in CO₂ concentrations that are predicted to occur over the next 100 to 200 years.
- Oryzias melastigma,
- ocean acidification,
- skeletal development

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References(27)

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