Journal
FISHERIES MANAGEMENT AND ECOLOGY
Volume 16, Issue 3, Pages 191-201Publisher
WILEY-BLACKWELL PUBLISHING, INC
DOI: 10.1111/j.1365-2400.2009.00655.x
Keywords
bycatch monitoring; management; Penaeus merguiensis; prawn trawling
Categories
Funding
- Australian Fisheries Research and Development Corporation (FRDC)
- Australian Fisheries Management Authority (AFMA)
- CSIRO Marine and Atmospheric Research
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The bycatch in a tropical Australian banana prawn, Penaeus merguiensis (de Man), fishery is described and contrasted with the closely related tiger prawn, Penaeus semisulcatus De Haan and Penaeus esculentus Haswell, fishery. Most of the similarity between banana prawn fishery catches was accounted for by three teleost species constituting 51.4% of the total bycatch weight. The bycatch assemblage structure of this fishery was significantly different (P < 0.05) from the adjoining tiger prawn fishery. The banana prawn fishery had a higher mean bycatch catch rate from shorter duration trawls, but lower estimated total annual bycatch (1502 t yr(-1)) than the longer duration trawls of the tiger prawn fishery (20 073 t yr(-1)). This study provides new data for quantifying bycatch and improving the accuracy of quantitative risk assessments currently being used to demonstrate sustainability of bycatch populations. The information will be incorporated into collaborative development of a long-term monitoring programme.
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