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Biogeosciences An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/bgd-10-7413-2013
© Author(s) 2013. This work is distributed under
the Creative Commons Attribution 3.0 License.
Research article
29 Apr 2013
Review status
This discussion paper is a preprint. It has been under review for the journal Biogeosciences (BG). The revised manuscript was not accepted.
Effects of ocean acidification on the larval growth of olive flounder (Paralichthys olivaceus)
K.-S. Kim1, J. H. Shim2, and S. Kim1 1Department of Marine Biology, Pukyong National University, Busan, 608-737, Korea
2National Fisheries Research & Development Institute, Busan, 619-705, Korea
Abstract. Little is known about how marine fishes respond to the reduced pH condition caused by the increased CO2 in the atmosphere. We investigated the effects of CO2 concentration on the growth of olive flounder (Paralichthys olivaceus) larvae. Newly hatched larvae were reared in three different concentrations of CO2 (574, 988 and 1297 μatm CO2) in temperature-controlled water tanks until metamorphosis (4 weeks). Body lengths, weights, and the concentration of some chemical elements in larval tissue were measured at the completion of each experiment, and experiment was repeated three times in May, June, and July 2011. Results indicated that body length and weight of flounder larvae were significantly increased with increasing CO2 concentration (P < 0.05). Daily growth rates of flounder larvae were higher (0.391 mm) from the high CO2 concentration (1297 μatm) than those (0.361 mm and 0.360 mm) from the lower ones (988 and 574 μatm).The measurement on some chemical elements (Ca, Fe, Cu, Zn and Sr) in fish tissue also revealed the increasing tendency of element concentration with increasing CO2 in seawater, although statistical significance cannot be tested due to the single measurement. It suggests that there are enrichment processes of these cations in larval tissue in the low pH condition.

Citation: Kim, K.-S., Shim, J. H., and Kim, S.: Effects of ocean acidification on the larval growth of olive flounder (Paralichthys olivaceus), Biogeosciences Discuss., https://doi.org/10.5194/bgd-10-7413-2013, 2013.
K.-S. Kim et al.
Interactive discussionStatus: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version      Supplement - Supplement
 
RC C2253: 'Referee comments', Anonymous Referee #1, 24 May 2013 Printer-friendly Version 
 
SC C2782: 'Missing key literature', H. Baumann, 14 Jun 2013 Printer-friendly Version 
 
RC C2941: 'Comments to the authors', Anonymous Referee #2, 23 Jun 2013 Printer-friendly Version 
 
AC C4147: 'Reply to referee comments', suam kim, 08 Aug 2013 Printer-friendly Version Supplement 
K.-S. Kim et al.
K.-S. Kim et al.

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