![]() This process was effective even under reduced seawater pH and bicarbonate concentrations. While extracellular cation concentrations increased throughout, anion levels remained constant or decreased. Our findings suggest an influence of water bicarbonate levels on metabolic rates as well as on correlations between blood flow and pH e.ĭespite similar levels of haemolymph pH and ion concentrations under OA, metabolic rates, and haemolymph flow were significantly depressed by 40 and 30%, respectively, when OA was combined with reduced seawater and pH. ![]() Solubility coefficient level of significance ADP: This previously unknown phenomenon should direct attention to pathways of acid–base regulation and their potential feedback on whole-animal energy demand, in relation with changing seawater carbonate parameters. − log 10 of dissociation constant in an acid–base equilibrium \(\) Partial pressure of CO 2 in haemolymph P(CO 2) w Rapid acquisition with relaxation enhancement RMR:Īppelhans YS, Thomsen J, Pansch C et al (2012) Sour times: seawater acidification effects on growth, feeding behaviour and acid–base status of Asterias rubens and Carcinus maenas. īelman BW (1975) Some aspects of the circulatory physiology of the spiny lobster Panulirus interruptus. īock C, Frederich M, Wittig R-M, Pörtner H-O (2001a) Simultaneous observations of haemolymph flow and ventilation in marine spider crabs at different temperatures: a flow weighted MRI study. (01)00414-3īock C, Sartoris F-J, Wittig R-M, Pörtner H-O (2001b) Temperature-dependent pH regulation in stenothermal Antarctic and eurythermal temperate eelpout (Zoarcidae): an in-vivo NMR study. īock C, Sartoris F-J, Pörtner H-O (2002) In vivo MR spectroscopy and MR imaging on non-anaesthetized marine fish: techniques and first results. (02)00482-4īock C, Dogan F, Pörtner H-O (2012) Cardiovascular performance of the edible crap Cancer pagurus under the effects of ocean acidification. In: The ocean in a high-CO 2 world: third symposium. Monterey, CA, USAīohning DE, Carter B, Liu S, Pohost GM (1990) PC-Based system for retrospective cardiac and respiratory gating of NMR data. īoutilier RG, Heming TA, Iwama GK (1984) Appendix: physicochemical parameters for use in fish respiratory physiology. ![]() In: Hoar WS, Randall DJ (eds) Fish physiology. Elsevier, Amsterdam, pp 403–430īrand MD (1990) The Contribution of the leak of protons across the mitochondrial inner membrane to standard metabolic rate.
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