酸素飽和海水中で安静状態にあるブリの鰓におけるガス交換〔英文〕

概要

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The gas exchange in the gills of yellowtail under resting and normoxic condition was studied based on the oxygen content in the inspired and expired water, the contents of oxygen and carbon dioxide in the arterial and mixed venous blood, oxygen uptake and carbon dioxide excretion, gill ventilation and gill perfusion. The yellowtail is considered to be well adapted to the actively swimming behaviour with a high ability of oxygen uptake which is made possible by a large volume of gill ventilation and a large oxygen capacity of the blood. The large minute volume of gill ventilation is achieved not by a large stroke volume but by frequent respiratory movements. The high efficiency of gas exchange in the restricted yellowtail in a respiration chamber is worthy of note, considering the actively swimming behaviour of the fish.
日本水産學會の論文