Abstract
A pressure vessel suitable for the simultaneous determination of oxygen consumption and swimming speed in zooplankton is described. The relationship between respiratory rate ( y; μ1 O 2 mg DW −1 h −1) and swimming speed ( x; m h −1) for the euphausiid Thysanoessa spinifera at 12°C is described by the equation y = 0.015 ± 0.003 x + 0.620. The data suggest that increased swimming speed results in a substantial increase in oxygen consumption rate, indicating that locomotion can be energetically costly for zooplankton.
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More From: Deep Sea Research Part A, Oceanographic Research Papers
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