Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines

The implementation of seasonal fishery closures (SFC) can be controversial due to the frequent lack of clear objectives, monitoring and empirical evidence of management success. In the Philippines, an SFC implemented for the conservation of important fishery commodities in the Visayan Sea has been r...

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Main Authors: Farisal U. Bagsit, Eugene Frimpong, Rebecca G. Asch, Harold M. Monteclaro
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-06-01
Series:Frontiers in Marine Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmars.2021.640772/full
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author Farisal U. Bagsit
Farisal U. Bagsit
Eugene Frimpong
Rebecca G. Asch
Harold M. Monteclaro
author_facet Farisal U. Bagsit
Farisal U. Bagsit
Eugene Frimpong
Rebecca G. Asch
Harold M. Monteclaro
author_sort Farisal U. Bagsit
collection DOAJ
description The implementation of seasonal fishery closures (SFC) can be controversial due to the frequent lack of clear objectives, monitoring and empirical evidence of management success. In the Philippines, an SFC implemented for the conservation of important fishery commodities in the Visayan Sea has been ruled a success after stricter implementation of this fishery policy in 2012. However, a comprehensive, detailed, and robust analysis of this fishery policy is lacking. Using a difference-in-differences (DID) framework, we estimated the effect of SFC on the interannual and seasonal catch for sardine and mackerel. We expanded our analysis to other species not regulated under the SFC policy. We also conducted semi-structured interviews (N = 235), focus group discussions (N = 9) and key informant interviews (N = 37) involving municipal fisheries stakeholders in the surrounding municipalities around the Visayan Sea, and representatives from the government and non-government agencies, to complement our analyses. Seasonal analyses of catch data show a significant increase in sardine catch at the end of the seasonal closure among SFC-participating provinces. However, overall, the SFC had no significant effect on sardine interannual catch among the provinces participating in the SFC. We also found no significant effect of the SFC on interannual and seasonal catch for mackerel. Furthermore, our findings show no significant changes in fishing pressure to other aquatic species. Interview results corroborate our DID findings for mackerel, but not for sardine. The varying perceptions on the outcomes of the SFC policy can be attributed to several challenges such as lack of implementing guidelines, lack of alternative livelihoods for the affected stakeholders, persistence of illegal fishing, and uneven implementation of the SFC. Since the management objective of this SFC was to conserve the regulated species, alternative management measures may be needed to achieve this goal. This could entail more consistent enforcement, improved cooperation and communication between fisheries managers and stakeholders, fish size or gear restrictions, and identification and conservation of key habitats needed to restore overexploited species.
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spelling doaj.art-d5ee4374d4064928a9e8da545451c78f2022-12-21T22:16:31ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452021-06-01810.3389/fmars.2021.640772640772Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, PhilippinesFarisal U. Bagsit0Farisal U. Bagsit1Eugene Frimpong2Rebecca G. Asch3Harold M. Monteclaro4Institute of Fisheries Policy and Development Studies, College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Iloilo, PhilippinesDepartment of Coastal Studies, Thomas Harriot College of Arts and Sciences, East Carolina University, Greenville, NC, United StatesDepartment of Coastal Studies, Thomas Harriot College of Arts and Sciences, East Carolina University, Greenville, NC, United StatesDepartment of Biology, Thomas Harriot College of Arts and Sciences, East Carolina University, Greenville, NC, United StatesInstitute of Marine Fisheries and Oceanology, College of Fisheries and Ocean Sciences, University of the Philippines Visayas, Iloilo, PhilippinesThe implementation of seasonal fishery closures (SFC) can be controversial due to the frequent lack of clear objectives, monitoring and empirical evidence of management success. In the Philippines, an SFC implemented for the conservation of important fishery commodities in the Visayan Sea has been ruled a success after stricter implementation of this fishery policy in 2012. However, a comprehensive, detailed, and robust analysis of this fishery policy is lacking. Using a difference-in-differences (DID) framework, we estimated the effect of SFC on the interannual and seasonal catch for sardine and mackerel. We expanded our analysis to other species not regulated under the SFC policy. We also conducted semi-structured interviews (N = 235), focus group discussions (N = 9) and key informant interviews (N = 37) involving municipal fisheries stakeholders in the surrounding municipalities around the Visayan Sea, and representatives from the government and non-government agencies, to complement our analyses. Seasonal analyses of catch data show a significant increase in sardine catch at the end of the seasonal closure among SFC-participating provinces. However, overall, the SFC had no significant effect on sardine interannual catch among the provinces participating in the SFC. We also found no significant effect of the SFC on interannual and seasonal catch for mackerel. Furthermore, our findings show no significant changes in fishing pressure to other aquatic species. Interview results corroborate our DID findings for mackerel, but not for sardine. The varying perceptions on the outcomes of the SFC policy can be attributed to several challenges such as lack of implementing guidelines, lack of alternative livelihoods for the affected stakeholders, persistence of illegal fishing, and uneven implementation of the SFC. Since the management objective of this SFC was to conserve the regulated species, alternative management measures may be needed to achieve this goal. This could entail more consistent enforcement, improved cooperation and communication between fisheries managers and stakeholders, fish size or gear restrictions, and identification and conservation of key habitats needed to restore overexploited species.https://www.frontiersin.org/articles/10.3389/fmars.2021.640772/fullseasonal fishery closurefishery policy evaluationfisheries managementVisayan Seasardinemackerel
spellingShingle Farisal U. Bagsit
Farisal U. Bagsit
Eugene Frimpong
Rebecca G. Asch
Harold M. Monteclaro
Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
Frontiers in Marine Science
seasonal fishery closure
fishery policy evaluation
fisheries management
Visayan Sea
sardine
mackerel
title Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
title_full Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
title_fullStr Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
title_full_unstemmed Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
title_short Effect of a Seasonal Fishery Closure on Sardine and Mackerel Catch in the Visayan Sea, Philippines
title_sort effect of a seasonal fishery closure on sardine and mackerel catch in the visayan sea philippines
topic seasonal fishery closure
fishery policy evaluation
fisheries management
Visayan Sea
sardine
mackerel
url https://www.frontiersin.org/articles/10.3389/fmars.2021.640772/full
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