Oxygen consumption and responses of the freshwater snail Bulinus ( Physopsis ) globosus to gradients of different oxygen tensions
Open Access
- 1 January 1979
- journal article
- research article
- Published by Taylor & Francis in South African Journal of Zoology
- Vol. 14 (4) , 202-207
- https://doi.org/10.1080/02541858.1979.11447670
Abstract
A gradient or choice apparatus, based on the ‘fluvarium’ principle and suitable for testing the responses of the freshwater snail Bulinus (Physopsis) globosus to different partial oxygen tensions was used. In a gradual oxygen gradient established with this apparatus, B. (P.) globosus shows a significant preference for oxygenated water. In experiments with a choice between low and high partial oxygen tensions, B. (P.) globosus shows a greater preference for oxygenated water. Oxygen consumption rates vary considerably among individuals and decreases when lowering the Pq in the water.Keywords
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- RespirationPublished by Elsevier ,1966