Numerical modeling of fish mortality at high CO2 concentrations representing acclimation

A mortality model was developed to predict the impact of high CO2 concentrations on marine fish. To allow for acclimation to a gradual increase of PCO2, the model includes acid–base regulation processes, such as respiration and ion-exchange at the gills. Because the physiological mechanism connecting a decrease in blood pH and mortality is not known, a statistical model was adopted. The mortality calculated for Japanese sillago experiencing a transient change of PCO2 compares moderately well with observations.

Yoshimoto N., Sato T., Kikkawa T. & Kitad J., 2017. Numerical modeling of fish mortality at high CO2 concentrations representing acclimation. Energy Procedia 114:3088–3095. Article.

 

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