Zoeken
Zoeken kan via de modus 'eenvoudig zoeken' (één veld) of uitgebreid via 'geavanceerd zoeken' (meerdere velden). Zo kan je bv. zoeken op een combinatie van een auteursnaam (auteur), een jaartal (jaar) en een documenttype.
Boekenmand
Nuttige resultaten kan je aanvinken en toevoegen aan een mandje. De inhoud hiervan kan je exporteren of afdrukken (naar bv. PDF).
RSS
Op de hoogte blijven van nieuw toegevoegde publicaties binnen uw interessegebied? Dit kan door een RSS-feed (?) te maken van jouw zoekopdracht.
nieuwe zoekopdracht
| one publication added to basket [337697] |
Vulnerability and decision-making in multispecies fisheries: a risk assessment of bacalao (Mycteroperca olfax) and related species in the Galapagos' handline fishery
Pontón-Cevallos, J.F.; Bruneel, S.; Marín Jarrín, J.R.; Ramírez-González, J.; Bermúdez-Monsalve, J.R.; Goethals, P.L.M. (2020). Vulnerability and decision-making in multispecies fisheries: a risk assessment of bacalao (Mycteroperca olfax) and related species in the Galapagos' handline fishery. Sustainability 12(17): 6931. https://hdl.handle.net/10.3390/su12176931
In: Sustainability. MDPI: Basel. e-ISSN 2071-1050
|   |
| Trefwoorden |
Mycteroperca olfax (Jenyns, 1840) [WoRMS]
Marien/Kust |
| Author keywords |
vulnerability; decision-making; multispecies fisheries; groupers; productivity susceptibility analysis; Mycteroperca olfax |
| Auteurs | | Top |
- Pontón-Cevallos, J.F.
- Bruneel, S.
- Marín Jarrín, J.R.
|
- Ramírez-González, J.
- Bermúdez-Monsalve, J.R.
- Goethals, P.L.M.
|
|
| Abstract |
Marine fish populations can be vulnerable to overfishing, as a response of their life history, ecology, and socio-economic aspects. Vulnerability assessments, in this regard, can be used to support fisheries decision-making by aiding species prioritization. Assessments like Productivity–Susceptibility Analyses are well suited for multispecies fisheries, with low gear selectivity and insufficient fishery-independent and dependent data. Using this method, we assessed local vulnerability of the Galapagos grouper (‘bacalao’; Mycteroperca olfax) and compared it with other phylogenetically-related species caught in the Galapagos’ handline-fishery. Bacalao is an overfished regionally endemic fish species, characterized by low resilience, high market and cultural value and high spatial overlap with the fishery. Our results suggested that bacalao is a species of high management priority, requiring urgent measures to prevent fisheries’ collapse. In addition, if current fishing pressure persists, other related species may become threatened in the near future. We also evaluated different management scenarios using this approach. Results suggested that the inclusion of additional no-take zones in the marine reserve, comprising key nursery habitats (such as mangroves) and spawning aggregation sites, would be necessary to reduce species vulnerability and to benefit other related species. Improving enforcement and fishers’ compliance are essential to guarantee the effectiveness of these measures. |
IMIS is ontwikkeld en wordt gehost door het VLIZ.
