Effects of ocean acidification in relation to diel cycles of seawater pCO2 on early development of Ezo abalone Haliotis dicus hannai ...
No abstracts are to be cited without prior reference to the author.We investigated the effects of ocean acidification in relation to diel cycles of seawaterpCO 2 levels onthe early development of ezo abalone Haliotis discus hannai in the laboratory. Shell length, mortalityand malformation of larval...
| Main Authors: | , , , , |
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| Format: | Conference Object |
| Language: | unknown |
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ASC 2015 - Theme session H
2024
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| Subjects: | |
| Online Access: | https://dx.doi.org/10.17895/ices.pub.25682367.v1 https://ices-library.figshare.com/articles/conference_contribution/Effects_of_ocean_acidification_in_relation_to_diel_cycles_of_seawater_pCO2_on_early_development_of_Ezo_abalone_Haliotis_dicus_hannai/25682367/1 |
| Summary: | No abstracts are to be cited without prior reference to the author.We investigated the effects of ocean acidification in relation to diel cycles of seawaterpCO 2 levels onthe early development of ezo abalone Haliotis discus hannai in the laboratory. Shell length, mortalityand malformation of larval abalone were examined under different pCO 2 levels with mimicked dielcycle using a CO CO2 manipulation system . Adult abalone were induced to spawn and gametes wereartificially fertil ized in concentrations of 4 400, 800 or 1200 pCO 2 µatm. Sixteen hours post post-fertilization,hatched larvae were exposed to running seawater adjusted to a constant level (400, 800 or 1200 µatmpCO 2) or fluctuating on a diel cycle (400 -1200 or 800 -1600 µatm pCO 2) pCO 2 in 75 h experimentalperiods. There were no significant differences in the mortality rate, malformation rate and shell lengthof larvae among the 400, 800, and 400-1200 µatm pCO 2 treatments. In contrast, the malformation rate was significantly higher in the 1200 and ... |
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