Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi
Mobulids rays play a crucial role in the pelagic marine ecosystem as filter feeders, regulating nutrient flow. However, they are often caught as bycatch in gillnet fishing gear due to occupying the same niche as other pelagic fish. In Banyuwangi, these fish hold economic value, prompting this resear...
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EDP Sciences
2025-01-01
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| Series: | BIO Web of Conferences |
| Online Access: | https://www.bio-conferences.org/articles/bioconf/pdf/2025/27/bioconf_inflection2025_01012.pdf |
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| author | Salim Muhammad Adrianto Luky Kamal Mohammad Tawang Firmansyah Rizal Hasan Gozali Irianies Fadloli Ahmad Larasati Chindy Rizka Antika Topan Edy Laglbauer Betty Fahmi Oktaviyani Selvia |
| author_facet | Salim Muhammad Adrianto Luky Kamal Mohammad Tawang Firmansyah Rizal Hasan Gozali Irianies Fadloli Ahmad Larasati Chindy Rizka Antika Topan Edy Laglbauer Betty Fahmi Oktaviyani Selvia |
| author_sort | Salim Muhammad |
| collection | DOAJ |
| description | Mobulids rays play a crucial role in the pelagic marine ecosystem as filter feeders, regulating nutrient flow. However, they are often caught as bycatch in gillnet fishing gear due to occupying the same niche as other pelagic fish. In Banyuwangi, these fish hold economic value, prompting this research to investigate their bycatch status. Data collection involved daily landing records, direct observations, and interviews with 45 fishers, 4 collectors, and local government representatives over a year (April 2023–March 2024). Results showed mobulid rays accounted for 23.98% of total gillnet fishers’ biomass. Social-Ecological Network Analysis (SENA) indicated mobulid rays, fishers, gillnets, and collectors had high degree values, highlighting their importance. The strongest connection was between fishers and fishing activities, as shown by the highest betweenness value. Generalized Linear Models (GLM) analysis revealed a significant correlation (0.7664) between mobulid ray prices and bycatch. Additionally, bycatch increased when target fish availability declined, indicated by a negative coefficient. This study emphasizes the ecological and economic significance of mobulid rays in Banyuwangi’s fisheries. |
| format | Article |
| id | doaj-art-9f086c8e14ed4913916caeff35308b4b |
| institution | Kabale University |
| issn | 2117-4458 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | EDP Sciences |
| record_format | Article |
| series | BIO Web of Conferences |
| spelling | doaj-art-9f086c8e14ed4913916caeff35308b4b2025-08-20T03:47:03ZengEDP SciencesBIO Web of Conferences2117-44582025-01-011760101210.1051/bioconf/202517601012bioconf_inflection2025_01012Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in BanyuwangiSalim Muhammad0Adrianto Luky1Kamal Mohammad2Tawang Firmansyah3Rizal Hasan4Gozali Irianies5Fadloli Ahmad6Larasati Chindy7Rizka Antika8Topan Edy9Laglbauer Betty10Fahmi11Oktaviyani Selvia12Coastal and Marine Resource Management Study Program, Faculty of Fisheries and Marine Science, IPB UniversityDepartment of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB UniversityDepartment of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, IPB UniversityYayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)Yayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)Coastal and Marine Resource Management Study Program, Faculty of Fisheries and Marine Science, IPB UniversityYayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)Yayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)Yayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)Yayasan Konservasi dan Penelitian Pari Mobula (Mobula Project Indonesia)The Manta Trust, DT1Research Center for Oceanography, National Research and Innovation AgencyResearch Center for Oceanography, National Research and Innovation AgencyMobulids rays play a crucial role in the pelagic marine ecosystem as filter feeders, regulating nutrient flow. However, they are often caught as bycatch in gillnet fishing gear due to occupying the same niche as other pelagic fish. In Banyuwangi, these fish hold economic value, prompting this research to investigate their bycatch status. Data collection involved daily landing records, direct observations, and interviews with 45 fishers, 4 collectors, and local government representatives over a year (April 2023–March 2024). Results showed mobulid rays accounted for 23.98% of total gillnet fishers’ biomass. Social-Ecological Network Analysis (SENA) indicated mobulid rays, fishers, gillnets, and collectors had high degree values, highlighting their importance. The strongest connection was between fishers and fishing activities, as shown by the highest betweenness value. Generalized Linear Models (GLM) analysis revealed a significant correlation (0.7664) between mobulid ray prices and bycatch. Additionally, bycatch increased when target fish availability declined, indicated by a negative coefficient. This study emphasizes the ecological and economic significance of mobulid rays in Banyuwangi’s fisheries.https://www.bio-conferences.org/articles/bioconf/pdf/2025/27/bioconf_inflection2025_01012.pdf |
| spellingShingle | Salim Muhammad Adrianto Luky Kamal Mohammad Tawang Firmansyah Rizal Hasan Gozali Irianies Fadloli Ahmad Larasati Chindy Rizka Antika Topan Edy Laglbauer Betty Fahmi Oktaviyani Selvia Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi BIO Web of Conferences |
| title | Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi |
| title_full | Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi |
| title_fullStr | Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi |
| title_full_unstemmed | Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi |
| title_short | Beyond Bycatch: A Socio-Ecological Assessment of Mobulid Rays Fisheries in Banyuwangi |
| title_sort | beyond bycatch a socio ecological assessment of mobulid rays fisheries in banyuwangi |
| url | https://www.bio-conferences.org/articles/bioconf/pdf/2025/27/bioconf_inflection2025_01012.pdf |
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