2009
DOI: 10.1016/j.fishres.2008.10.001
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Effects of codend circumference and twine diameter on selection in south-eastern Australian fish trawls

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Cited by 31 publications
(22 citation statements)
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“…Since eastern populations of S. robusta and S. flindersi are often caught together in large quantities as by-product by commercial trawlers targeting penaeid prawns, a common re tained legal length of 14 cm FL (~15 cm total length) could be applied to these species in these fisheries if required. This length corresponds closely to the 50% length selection for these species in 35 mm square mesh cod-ends tested and recommended for use in the east Australian demersal penaeid trawl fisheries in which these species are an important by-product (Broadhurst et al 2005, Graham et al 2009. For other fisheries in which these sillaginids are the target species, having gears that specifically select fish > L 50 (e.g.…”
Section: Maturity and Fishery Considerationssupporting
confidence: 54%
See 1 more Smart Citation
“…Since eastern populations of S. robusta and S. flindersi are often caught together in large quantities as by-product by commercial trawlers targeting penaeid prawns, a common re tained legal length of 14 cm FL (~15 cm total length) could be applied to these species in these fisheries if required. This length corresponds closely to the 50% length selection for these species in 35 mm square mesh cod-ends tested and recommended for use in the east Australian demersal penaeid trawl fisheries in which these species are an important by-product (Broadhurst et al 2005, Graham et al 2009. For other fisheries in which these sillaginids are the target species, having gears that specifically select fish > L 50 (e.g.…”
Section: Maturity and Fishery Considerationssupporting
confidence: 54%
“…Depending on the jurisdiction, different input and output controls are used as management tools for each species, including limited entry, fishing gear and vessel restrictions, spatial and temporal closures, legal length limits and total allowable catches. Concerns over discarding in some fisheries have resulted in the development of fishing gears that are more se lective at retaining market-sized sillaginids (Broad hurst et al 2005, Graham et al 2009). Similar attention to resolving the biological parameters of these species has not taken place.…”
Section: Introductionmentioning
confidence: 99%
“…It was determined that various factors can affect the selectivity, such as, twine material (Tokaç et al, 2004) and thickness (Lowry and Robertson, 1996;Herrmann and O'Neill, 2006;Sala et al, 2007), codend circumference (Reeves et al, 1992;Broadhurst and Millar, 2009;Hermann et al, 2007;Graham et al, 2009;Wienbeck et al, 2011), towing speed (Dahm et al, 2002). Apart from these, total and codend catch, and species catch and haul durations which were evaluated in the present study affected L50 and SR values (Table 6).…”
Section: Discussionmentioning
confidence: 74%
“…Rogers et al (1997) demonstrated that gear efficiencies depended on local species composition and size distributions. Furthermore, size selection is not only depend on species lengths; mesh size, twine diameter (Sala et al 7) T k ç et al., 2004;Deval et al, 2006), catch bulk (Campos et al, 2003;Broadhurst et al, 2005;Aydin et al, 2014), towing speed (Broadhurst et al, 2005), number of meshes in the codend circumference and hanging ratio Graham et al, 2009) all can effect on species escape, So, we cannot compare the result of the present work with any other study.…”
Section: Discussionmentioning
confidence: 77%