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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| Format: | Article |
| Language: | English |
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Sciendo
2023-10-01
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| Series: | Oceanological and Hydrobiological Studies |
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| Online Access: | https://doi.org/10.26881/oahs-2023.3.09 |
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| _version_ | 1832593642199449600 |
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| author | Bozaoğlu Adem Sezai |
| author_facet | Bozaoğlu Adem Sezai |
| author_sort | Bozaoğlu Adem Sezai |
| collection | DOAJ |
| 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 (Penaeus semisulcatus). 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. |
| format | Article |
| id | doaj-art-c6d98c3bfcd14c48ba1d3cd89dfb4064 |
| institution | Kabale University |
| issn | 1897-3191 |
| language | English |
| publishDate | 2023-10-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Oceanological and Hydrobiological Studies |
| spelling | doaj-art-c6d98c3bfcd14c48ba1d3cd89dfb40642025-01-20T11:10:23ZengSciendoOceanological and Hydrobiological Studies1897-31912023-10-0152336637310.26881/oahs-2023.3.09The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin BayBozaoğlu Adem Sezai0Yüzüncü Yıl University, Fisheries Faculty, Zeve Campus, Van, 65080, TürkiyeThe 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 (Penaeus semisulcatus). 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.https://doi.org/10.26881/oahs-2023.3.09by-catchdiscardsgreenhouse plastic filmgreenhouse shade clothmersin baytrammel net |
| spellingShingle | Bozaoğlu Adem Sezai The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay Oceanological and Hydrobiological Studies by-catch discards greenhouse plastic film greenhouse shade cloth mersin bay trammel net |
| title | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
| title_full | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
| title_fullStr | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
| title_full_unstemmed | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
| title_short | The effects of two different net modifications on reducing discards in the trammel net fishery for prawn in Mersin Bay |
| title_sort | effects of two different net modifications on reducing discards in the trammel net fishery for prawn in mersin bay |
| topic | by-catch discards greenhouse plastic film greenhouse shade cloth mersin bay trammel net |
| url | https://doi.org/10.26881/oahs-2023.3.09 |
| work_keys_str_mv | AT bozaogluademsezai theeffectsoftwodifferentnetmodificationsonreducingdiscardsinthetrammelnetfisheryforprawninmersinbay AT bozaogluademsezai effectsoftwodifferentnetmodificationsonreducingdiscardsinthetrammelnetfisheryforprawninmersinbay |