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Full-Text Articles in Physical Sciences and Mathematics
Empirical Modelling Of Solid-Blocking Effect In A Blazka Respirometer For Gag, A Large Demersal Reef Fish, Richard J. Kline, Daryl C. Parkyn, Debra J. Murie
Empirical Modelling Of Solid-Blocking Effect In A Blazka Respirometer For Gag, A Large Demersal Reef Fish, Richard J. Kline, Daryl C. Parkyn, Debra J. Murie
School of Earth, Environmental, and Marine Sciences Faculty Publications and Presentations
The effect of solid-body blocking in a large (257 l) Blazka-style respirometer was examined in gag Mycteroperca microlepis. Gag ranging from 376-690 mm total length were tested at velocities from 10 to 91 cm s-1 . The solid blocking effect (SBE) due to fish size, swimming speed, and water temperature was investigated by direct measurement of flow velocity at the area of the fish’s maximum girth as compared to measurements at the rear (center) of the swimming chamber. Three models were compared as corrections for the SBE: the standard Bell and Terhune (BT), a novel modification of the Bell and …