Journal article
Effect of turbidity on habitat preference of juvenile Atlantic cod, Gadus morhua
Environmental Biology of Fishes, Vol.81(2), pp.149-155
2008
Abstract
We examined the effects of turbidity on habitat preference of juvenile Atlantic cod in the laboratory, using a shuttle box where fish could select between two different habitats. In the first experiment, we compared three turbidity levels of kaolin (3, 8 and 21 beam attenuation m-1). In the second experiment, we looked at the effect of turbidity media (kaolin versus algae), after controlling for spectral differences between turbidity media. Although cod preferred an intermediate turbidity of kaolin over low turbidity water, comparisons between low and high turbidity, and intermediate and high turbidity did not significantly influence habitat preference. Algae did not influence habitat preference by cod. Although other studies have found that turbidity affects both foraging and antipredator behaviour of juvenile cod, this study has shown that gradients in turbidity per se do not have a strong effect on their habitat preference.
Details
- Title
- Effect of turbidity on habitat preference of juvenile Atlantic cod, Gadus morhua
- Authors
- Justin J Meager (Author) - University of Bergen, NorwayA C Utne-Palm (Author) - University of Bergen, Norway
- Publication details
- Environmental Biology of Fishes, Vol.81(2), pp.149-155
- Publisher
- Springer Netherlands
- Date published
- 2008
- DOI
- 10.1007/s10641-007-9183-z
- ISSN
- 0378-1909
- Organisation Unit
- University of the Sunshine Coast, Queensland
- Language
- English
- Record Identifier
- 99449713402621
- Output Type
- Journal article
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