Continuous-flow complete-mixing system for assessing the effects of environmental factors on colony-level coral metabolism

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dc.creatorFujimura, Hiroyuki
dc.creatorHiguchi, Tomihiko
dc.creatorShiroma, Kazuyo
dc.creatorArakaki, T.
dc.creatorHamdun, Asha
dc.creatorNakano, Yoshikatsu
dc.creatorOomori, Tamotsu
dc.date2016-07-14T20:52:55Z
dc.date2016-07-14T20:52:55Z
dc.date2008-04
dc.date.accessioned2018-03-27T08:23:58Z
dc.date.available2018-03-27T08:23:58Z
dc.descriptionA small-scale chamber experimental system was designed to study the effects of temperature on colony-level coral metabolism. The system continuously supplies fresh seawater to the chamber, where it is mixed immediately and completely with the seawater already present. This continuous-flow complete-mixing system (CFCM system), in conjunction with theoretical equations, allows quantitative determination of chemical uptake and release rates by coral under controlled environmental conditions. We used the massive hermatypic coral Goniastrea aspera to examine variations in pH, total alkalinity, and total inorganic carbon for 16 days at 27 degrees C under controlled light intensities (300 and 0 micromol m(-2) s(-1)). We confirmed the stability of the CFCM system with respect to coral photosynthetic and calcification fluxes. In addition, we obtained daily photosynthetic and calcification rates at different temperatures (27 degrees C, 29 degrees C, 31 degrees C, and 33 degrees C). When seawater temperature was raised from 31 degrees C to 33 degrees C, the gross primary production rate (Pgross) decreased 29.5%, and the calcification rate (G) decreased 85.7% within 2 days. The CFCM system allows quantitative evaluation of coral colony chemical release and uptake rates, and metabolism.
dc.identifierFujimura, H., Higuchi, T., Shiroma, K., Arakaki, T., Hamdun, A.M., Nakano, Y. and Oomori, T., 2008. Continuous-flow complete-mixing system for assessing the effects of environmental factors on colony-level coral metabolism. Journal of biochemical and biophysical methods, 70(6), pp.865-872.
dc.identifierhttp://hdl.handle.net/20.500.11810/3211
dc.identifier10.1016/j.jprot.2008.01.014 ยท Source: PubMed
dc.identifier.urihttp://hdl.handle.net/20.500.11810/3211
dc.languageen
dc.subjectCalcification
dc.subjectChamber study
dc.subjectContinuous-flow complete-mixing model
dc.subjectCoral bleaching
dc.subjectMetabolism
dc.subjectPhotosynthesis
dc.subjectTemperature effect
dc.titleContinuous-flow complete-mixing system for assessing the effects of environmental factors on colony-level coral metabolism
dc.typeJournal Article, Peer Reviewed

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