The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay
The discarded species caught in prawn trammel nets damage the nets and cause a serious labor loss problem for fishers. In the present study, a 15 cm high greenhouse plastic film and a greenhouse shade cloth net were fitted between the lower parts of the nets and the lead collars to reduce discards i...
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| Veröffentlicht in: | Oceanological and hydrobiological studies 2023-09, Vol.52 (3), p.366-373 |
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| creator | Bozaoğlu, Adem Sezai |
| description | The discarded species caught in prawn trammel nets damage the nets and cause a serious labor loss problem for fishers. In the present study, a 15 cm high greenhouse plastic film and a greenhouse shade cloth net were fitted between the lower parts of the nets and the lead collars to reduce discards in the trammel net fishery. The modified nets were tested in Mersin Bay with twenty-one fishing operations between September and December 2021. The results showed that, compared to commercial trammel nets, the nets equipped with greenhouse plastic film and greenhouse shade cloth did not significantly reduce the catch of the target species green tiger prawn (
). However, the total number of discards significantly decreased. The discard rates in the commercial net, greenhouse plastic film net, and greenhouse shade cloth net were 45%, 26%, and 22%, respectively. Furthermore, when the incomes from the nets’ hauls were calculated, the net equipped with greenhouse garden film and the net equipped with greenhouse shade cloth generated 24.77% and 14.41% more profit than the commercial net, respectively. |
| doi_str_mv | 10.26881/oahs-2023.3.09 |
| format | Article |
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). However, the total number of discards significantly decreased. The discard rates in the commercial net, greenhouse plastic film net, and greenhouse shade cloth net were 45%, 26%, and 22%, respectively. Furthermore, when the incomes from the nets’ hauls were calculated, the net equipped with greenhouse garden film and the net equipped with greenhouse shade cloth generated 24.77% and 14.41% more profit than the commercial net, respectively.</description><identifier>ISSN: 1730-413X</identifier><identifier>EISSN: 1897-3191</identifier><identifier>DOI: 10.26881/oahs-2023.3.09</identifier><language>eng</language><publisher>Berlin: Sciendo</publisher><subject>By-catch ; Cloth ; Costs ; Design ; Discards ; Fisheries ; Fisheries management ; Fishers ; Fishing ; Freshwater crustaceans ; greenhouse plastic film ; greenhouse shade cloth ; Greenhouses ; Labour ; Marine crustaceans ; Mersin Bay ; Nets ; Penaeus semisulcatus ; Plastics ; Polyethylene ; Polymer films ; Shade ; Shellfish ; trammel net</subject><ispartof>Oceanological and hydrobiological studies, 2023-09, Vol.52 (3), p.366-373</ispartof><rights>2023. This work is published under http://creativecommons.org/licenses/by-nc-nd/4.0 (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0003-4078-5159</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://sciendo.com/pdf/10.26881/oahs-2023.3.09$$EPDF$$P50$$Gwalterdegruyter$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://sciendo.com/article/10.26881/oahs-2023.3.09$$EHTML$$P50$$Gwalterdegruyter$$Hfree_for_read</linktohtml><link.rule.ids>314,780,784,864,27924,27925,76164,76165</link.rule.ids></links><search><creatorcontrib>Bozaoğlu, Adem Sezai</creatorcontrib><title>The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay</title><title>Oceanological and hydrobiological studies</title><description>The discarded species caught in prawn trammel nets damage the nets and cause a serious labor loss problem for fishers. In the present study, a 15 cm high greenhouse plastic film and a greenhouse shade cloth net were fitted between the lower parts of the nets and the lead collars to reduce discards in the trammel net fishery. The modified nets were tested in Mersin Bay with twenty-one fishing operations between September and December 2021. The results showed that, compared to commercial trammel nets, the nets equipped with greenhouse plastic film and greenhouse shade cloth did not significantly reduce the catch of the target species green tiger prawn (
). However, the total number of discards significantly decreased. The discard rates in the commercial net, greenhouse plastic film net, and greenhouse shade cloth net were 45%, 26%, and 22%, respectively. 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Edition</collection><jtitle>Oceanological and hydrobiological studies</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bozaoğlu, Adem Sezai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay</atitle><jtitle>Oceanological and hydrobiological studies</jtitle><date>2023-09-01</date><risdate>2023</risdate><volume>52</volume><issue>3</issue><spage>366</spage><epage>373</epage><pages>366-373</pages><issn>1730-413X</issn><eissn>1897-3191</eissn><abstract>The discarded species caught in prawn trammel nets damage the nets and cause a serious labor loss problem for fishers. In the present study, a 15 cm high greenhouse plastic film and a greenhouse shade cloth net were fitted between the lower parts of the nets and the lead collars to reduce discards in the trammel net fishery. The modified nets were tested in Mersin Bay with twenty-one fishing operations between September and December 2021. The results showed that, compared to commercial trammel nets, the nets equipped with greenhouse plastic film and greenhouse shade cloth did not significantly reduce the catch of the target species green tiger prawn (
). However, the total number of discards significantly decreased. The discard rates in the commercial net, greenhouse plastic film net, and greenhouse shade cloth net were 45%, 26%, and 22%, respectively. Furthermore, when the incomes from the nets’ hauls were calculated, the net equipped with greenhouse garden film and the net equipped with greenhouse shade cloth generated 24.77% and 14.41% more profit than the commercial net, respectively.</abstract><cop>Berlin</cop><pub>Sciendo</pub><doi>10.26881/oahs-2023.3.09</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-4078-5159</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Oceanological and hydrobiological studies, 2023-09, Vol.52 (3), p.366-373 |
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| source | De Gruyter Open Access Journals; DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection |
| subjects | By-catch Cloth Costs Design Discards Fisheries Fisheries management Fishers Fishing Freshwater crustaceans greenhouse plastic film greenhouse shade cloth Greenhouses Labour Marine crustaceans Mersin Bay Nets Penaeus semisulcatus Plastics Polyethylene Polymer films Shade Shellfish trammel net |
| title | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
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