35 research outputs found

    Recreational sea fishing in Europe in a global contextParticipation rates, fishing effort, expenditure, and implications for monitoring and assessment

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    Marine recreational fishing (MRF) is a high-participation activity with large economic value and social benefits globally, and it impacts on some fish stocks. Although reporting MRF catches is a European Union legislative requirement, estimates are only available for some countries. Here, data on numbers of fishers, participation rates, days fished, expenditures, and catches of two widely targeted species were synthesized to provide European estimates of MRF and placed in the global context. Uncertainty assessment was not possible due to incomplete knowledge of error distributions; instead, a semi-quantitative bias assessment was made. There were an estimated 8.7 million European recreational sea fishers corresponding to a participation rate of 1.6%. An estimated 77.6 million days were fished, and expenditure was Euro5.9 billion annually. There were higher participation, numbers of fishers, days fished and expenditure in the Atlantic than the Mediterranean, but the Mediterranean estimates were generally less robust. Comparisons with other regions showed that European MRF participation rates and expenditure were in the mid-range, with higher participation in Oceania and the United States, higher expenditure in the United States, and lower participation and expenditure in South America and Africa. For both northern European sea bass (Dicentrarchus labrax, Moronidae) and western Baltic cod (Gadus morhua, Gadidae) stocks, MRF represented 27% of the total removals. This study highlights the importance of MRF and the need for bespoke, regular and statistically sound data collection to underpin European fisheries management. Solutions are proposed for future MRF data collection in Europe and other regions to support sustainable fisheries management.Institut Francais de Recherche pour l'Exploitation de la Mer; French Ministry of Fisheries Management; Greek National Data Collection Programme; European Commission, Data Collection Framework; Department for Environment, Food and Rural Affairs [MF1221, MF1230, MI001]; Norges Forskningsrad [267808]; State Department of Agriculture, Food Security and Fisheries Mecklenburg-Western Pomerania; Interreg IVa 2 Seas; Dutch Ministry of Economic Affairs; European Fishery Fund; Government of Galicia [ED481B2014/034-0

    Spearfishing Regulation Benefits Artisanal Fisheries: The ReGS Indicator and Its Application to a Multiple-Use Mediterranean Marine Protected Area

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    The development of fishing efficiency coupled with an increase of fishing effort led to the overexploitation of numerous natural marine resources. In addition to this commercial pressure, the impact of recreational activities on fish assemblages remains barely known. Here we examined the impact of spearfishing limitation on resources in a marine protected area (MPA) and the benefit it provides for the local artisanal fishery through the use of a novel indicator. We analysed trends in the fish assemblage composition using artisanal fisheries data collected in the Bonifacio Strait Natural Reserve (BSNR), a Mediterranean MPA where the spearfishing activity has been forbidden over 15% of its area. Fish species were pooled into three response groups according to their target level by spearfishing. We developed the new flexible ReGS indicator reflecting shifts in species assemblages according to the relative abundance of each response group facing external pressure. The catch per unit effort (CPUE) increased by ca. 60% in the BSNR between 2000 and 2007, while the MPA was established in 1999. The gain of CPUE strongly depended on the considered response group: for the highly targeted group, the CPUE doubled while the CPUE of the untargeted group increased by only 15.5%. The ReGS value significantly increased from 0.31 to 0.45 (on a scale between 0 and 1) in the general perimeter of this MPA while it has reached a threshold of 0.43, considered as a reference point, in the area protected from spearfishing since 1982. Our results demonstrated that limiting recreational fishing by appropriate zoning in multiple-use MPAs represents a real benefit for artisanal fisheries. More generally we showed how our new indicator may reveal a wide range of impacts on coastal ecosystems such as global change or habitat degradation

    Models and indicators to assess the marine protected areas performance for coastal ecosystems management : application to the Bonifacio Strait Natural Reserve (Corsica)

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    Les derniĂšres dĂ©cennies ont Ă©tĂ© marquĂ©es la surexploitation de nombreux stocks de ressources marines. Po ur limiter ce dĂ©clin et restaurer les communautĂ©s impactĂ©es, l'instauration de mesures de gestion s'est rĂ©vĂ©lĂ©e nĂ©cessaire. Les Aires Marines ProtĂ©gĂ©es (AMP), initialement dĂ©veloppĂ©es pour protĂ©ger les habitats remarquables et la biodiversitĂ© associĂ©e, sont de plus en plus utilisĂ©es en tant qu'outil de gestion spatialisĂ©e des activitĂ©s de pĂȘche.L'objectif de cette thĂšse Ă©tait d'Ă©valuer Ă  l'aide d'indicateurs et de modĂšles prĂ©dictifs (i) l'impact de la mise en place de la RĂ©serve Naturelle des Bouches de Bonifacio (Corse) sur les communautĂ©s de poissons et (ii) les bĂ©nĂ©fices de ce type de gestion pour l'activitĂ© de pĂȘche artisanale locale. Nous avons ensuite dĂ©veloppĂ© un modĂšle et testĂ© (iii) les scĂ©narios de gestion les mieux adaptĂ©s au maintien de la ressource de langouste rouge, en dĂ©clin dans la rĂ©serve, et Ă  son exploitation durable. Les donnĂ©es de captures de la pĂȘche artisanale du sud de la Corse nous ont permis de mettre en Ă©vidence l'impact de la pĂȘche plaisanciĂšre sur la structure et la biomasse des communautĂ©s exploitĂ©es. Bien que la forte diminution de l'effort de pĂȘche ait pu contribuer Ă  une augmentation des captures par unitĂ© d'effort, l'analyse sous forme de groupes de rĂ©ponse nous a permis de mettre en Ă©vidence une augmentation diffĂ©renciĂ©e des captures de la pĂȘche artisanale en fonction de l'intĂ©rĂȘt des espĂšces pour la chasse au harpon. De plus, nous avons remarquĂ© que la rĂ©glementation de la RNBB ne semble pas suffire Ă  la protection d'une espĂšce emblĂ©matique, la langouste rouge. Les indicateurs issus de l'outil de modĂ©lisation ISIS-Fish nous ont permis de constater la nĂ©cessitĂ© d'une restriction plus importante de l'accĂšs Ă  cette ressource dans l'objectif d'une pĂȘche durable.These last decades have been characterized by a great development of fishing techniques, contributing to the overexploitation of numerous marine fish stocks. In order to limit this collapse and to restore impacted communities, the implementation of management measures was necessary. Marine Protected Areas (MPAs), initially developed to protect remarkable habitats and associated biodiversity, are more and more used as a tool for spatial management of fishing activities, by adult export and/or larvae migrations from protected zones to surrounding fisheries.The aim of this PhD was to evaluate using indicators and predictive models (i) the impact of the Bonifacio Strait Natural Reserve (Corse) implementation on fish communities and (ii) the benefits of such management measures for the local artisanal fishery. We then developed a model and tested (iii) management scenarios for maintaining the spiny lobster resource, en decline in the reserve, into a sustainable exploitation way.Artisanal fishery catch data from south Corsica has permitted to highlight the indirect impact of recreational fishing on exploited fish communities structure and biomass. Whereas a decrease of the fishing effort may contribute to increasing catches per unit effort (CPUE), the analysis using response groups helped us to reveal differentiated increase of the artisanal fishery catches considering the interest of species to spearfishing. Moreover, we noticed than even if the BSNR legislation represents a benefit for many species, it is not sufficient for the emblematic red spiny lobster recover. Indicators issued from the ISIS-Fish model showed that higher restrictions on this resource access are necessary in the objective of sustainable fisheries

    Des modÚles et des indicateurs pour évaluer la performance des Aires Marines Protégées pour la gestion des zones cÎtiÚres. Application à la Réserve Naturelle des Bouches de Bonifacio

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    These last decades have been characterized by a great development of fishing techniques, contributing to the overexploitation of numerous marine fish stocks. In order to limit this collapse and to restore impacted communities, the implementation of management measures was necessary. Marine Protected Areas (MPAs), initially developed to protect remarkable habitats and associated biodiversity, are more and more used as a tool for spatial management of fishing activities, by adult export and/or larvae migrations from protected zones to surrounding fisheries. The aim of this PhD was to use indicators and predictive models for evaluating the impact of the Bonifacio Strait Natural Reserve (Corsica) implementation on fish communities and the benefits of such management measures for the local artisanal fishery. Artisanal fishery catch data from south Corsica has permitted to highlight the indirect impact of recreational fishing on exploited fish communities structure and biomass. Although a decrease in fishing effort may contribute to increasing catches per unit effort (CPUE), the analysis using response groups helped us to reveal a distinct increase in the artisanal fishery catches for target species of spearfishing. We then developed a model and tested management scenarios for maintaining the spiny lobster resource, in decline in the reserve, into a sustainable exploitation way. Our results show that even if the BSNR legislation represents a benefit for many species, it is not sufficient to allow for the recovery of the red spiny lobster. Indicators issued from the ISIS-Fish model showed that higher restrictions on this resource access are necessary. After comparing various management measures, it appeared that the best compromise should be to authorize lobster nets use only during the summer season (July and August), for limiting the collapse of the population while offering a long term benefit for fishers, in the objective of sustainable fisheries.Les derniĂšres dĂ©cennies ont Ă©tĂ© marquĂ©es par un fort dĂ©veloppement des techniques de pĂȘche, contribuant Ă  la surexploitation de nombreux stocks de ressources marines. Afin de limiter ce dĂ©clin et restaurer les communautĂ©s impactĂ©es, l’instauration de mesures de gestion s’est rĂ©vĂ©lĂ©e nĂ©cessaire. Les Aires Marines ProtĂ©gĂ©es (AMP), initialement dĂ©veloppĂ©es pour protĂ©ger les habitats remarquables et la biodiversitĂ© associĂ©e, sont de plus en plus utilisĂ©es en tant qu’outil de gestion spatialisĂ©e des activitĂ©s de pĂȘche, de par les exports d’adultes et/ou la migration de larves depuis les zones protĂ©gĂ©es vers les pĂȘcheries adjacentes. L’objectif de cette thĂšse est d’évaluer Ă  l’aide d’indicateurs et de modĂšles prĂ©dictifs l’impact de la mise en place de la RĂ©serve Naturelle des Bouches de Bonifacio (Corse) sur les communautĂ©s de poissons et les bĂ©nĂ©fices de ce type de gestion pour l’activitĂ© de pĂȘche artisanale locale. Les donnĂ©es de captures de la pĂȘche artisanale du sud de la Corse nous ont permis de mettre en Ă©vidence de maniĂšre indirecte l’impact de la pĂȘche plaisanciĂšre sur la structure et la biomasse des communautĂ©s de poissons exploitĂ©es. Bien que la forte diminution de l’effort de pĂȘche dans la zone ait pu contribuer Ă  une augmentation des captures par unitĂ© d’effort (CPUE), l’analyse sous forme de groupes de rĂ©ponse nous a permis de mettre en Ă©vidence une augmentation diffĂ©renciĂ©e des captures de la pĂȘche artisanale en fonction de l’intĂ©rĂȘt des espĂšces pour la chasse au harpon. Nous avons de plus dĂ©veloppĂ© un modĂšle et testĂ© diffĂ©rents scĂ©narios de gestion pour favoriser le maintien de la ressource de langouste rouge, en dĂ©clin dans la rĂ©serve, et Ă  son exploitation durable. Nous avons remarquĂ© que, bien que bĂ©nĂ©fique pour de nombreuses espĂšces, la rĂ©glementation de la RNBB ne semble pas suffire Ă  la protection d’une espĂšce emblĂ©matique, comme la langouste rouge. Les indicateurs issus de l’outil de modĂ©lisation ISIS-Fish nous ont permis de constater la nĂ©cessitĂ© d’une restriction plus importante de l’accĂšs Ă  cette ressource. AprĂšs avoir comparĂ© plusieurs scĂ©narios de gestion, il semble que l’autorisation de l’utilisation des filets ciblant la langouste uniquement pendant la haute saison touristique (juillet-aoĂ»t) pourrait limiter le dĂ©clin de sa population, tout en offrant Ă  moyen et long terme un bĂ©nĂ©fice pour les pĂȘcheurs artisanaux, et ceci dans l’objectif d’une pĂȘche durable

    Models and indicators to assess the marine protected areas performance for coastal ecosystems management (application to the Bonifacio Strait Natural Reserve (Corsica))

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    Les derniĂšres dĂ©cennies ont Ă©tĂ© marquĂ©es la surexploitation de nombreux stocks de ressources marines. Po ur limiter ce dĂ©clin et restaurer les communautĂ©s impactĂ©es, l'instauration de mesures de gestion s'est rĂ©vĂ©lĂ©e nĂ©cessaire. Les Aires Marines ProtĂ©gĂ©es (AMP), initialement dĂ©veloppĂ©es pour protĂ©ger les habitats remarquables et la biodiversitĂ© associĂ©e, sont de plus en plus utilisĂ©es en tant qu'outil de gestion spatialisĂ©e des activitĂ©s de pĂȘche.L'objectif de cette thĂšse Ă©tait d'Ă©valuer Ă  l'aide d'indicateurs et de modĂšles prĂ©dictifs (i) l'impact de la mise en place de la RĂ©serve Naturelle des Bouches de Bonifacio (Corse) sur les communautĂ©s de poissons et (ii) les bĂ©nĂ©fices de ce type de gestion pour l'activitĂ© de pĂȘche artisanale locale. Nous avons ensuite dĂ©veloppĂ© un modĂšle et testĂ© (iii) les scĂ©narios de gestion les mieux adaptĂ©s au maintien de la ressource de langouste rouge, en dĂ©clin dans la rĂ©serve, et Ă  son exploitation durable. Les donnĂ©es de captures de la pĂȘche artisanale du sud de la Corse nous ont permis de mettre en Ă©vidence l'impact de la pĂȘche plaisanciĂšre sur la structure et la biomasse des communautĂ©s exploitĂ©es. Bien que la forte diminution de l'effort de pĂȘche ait pu contribuer Ă  une augmentation des captures par unitĂ© d'effort, l'analyse sous forme de groupes de rĂ©ponse nous a permis de mettre en Ă©vidence une augmentation diffĂ©renciĂ©e des captures de la pĂȘche artisanale en fonction de l'intĂ©rĂȘt des espĂšces pour la chasse au harpon. De plus, nous avons remarquĂ© que la rĂ©glementation de la RNBB ne semble pas suffire Ă  la protection d'une espĂšce emblĂ©matique, la langouste rouge. Les indicateurs issus de l'outil de modĂ©lisation ISIS-Fish nous ont permis de constater la nĂ©cessitĂ© d'une restriction plus importante de l'accĂšs Ă  cette ressource dans l'objectif d'une pĂȘche durable.These last decades have been characterized by a great development of fishing techniques, contributing to the overexploitation of numerous marine fish stocks. In order to limit this collapse and to restore impacted communities, the implementation of management measures was necessary. Marine Protected Areas (MPAs), initially developed to protect remarkable habitats and associated biodiversity, are more and more used as a tool for spatial management of fishing activities, by adult export and/or larvae migrations from protected zones to surrounding fisheries.The aim of this PhD was to evaluate using indicators and predictive models (i) the impact of the Bonifacio Strait Natural Reserve (Corse) implementation on fish communities and (ii) the benefits of such management measures for the local artisanal fishery. We then developed a model and tested (iii) management scenarios for maintaining the spiny lobster resource, en decline in the reserve, into a sustainable exploitation way.Artisanal fishery catch data from south Corsica has permitted to highlight the indirect impact of recreational fishing on exploited fish communities structure and biomass. Whereas a decrease of the fishing effort may contribute to increasing catches per unit effort (CPUE), the analysis using response groups helped us to reveal differentiated increase of the artisanal fishery catches considering the interest of species to spearfishing. Moreover, we noticed than even if the BSNR legislation represents a benefit for many species, it is not sufficient for the emblematic red spiny lobster recover. Indicators issued from the ISIS-Fish model showed that higher restrictions on this resource access are necessary in the objective of sustainable fisheries.MONTPELLIER-BU Sciences (341722106) / SudocSudocFranceF

    Models and indicators to assess the marine protected areas performance for coastal ecosystems management (application to the Bonifacio Strait Natural Reserve (Corsica))

    No full text
    Les derniĂšres dĂ©cennies ont Ă©tĂ© marquĂ©es la surexploitation de nombreux stocks de ressources marines. Po ur limiter ce dĂ©clin et restaurer les communautĂ©s impactĂ©es, l'instauration de mesures de gestion s'est rĂ©vĂ©lĂ©e nĂ©cessaire. Les Aires Marines ProtĂ©gĂ©es (AMP), initialement dĂ©veloppĂ©es pour protĂ©ger les habitats remarquables et la biodiversitĂ© associĂ©e, sont de plus en plus utilisĂ©es en tant qu'outil de gestion spatialisĂ©e des activitĂ©s de pĂȘche.L'objectif de cette thĂšse Ă©tait d'Ă©valuer Ă  l'aide d'indicateurs et de modĂšles prĂ©dictifs (i) l'impact de la mise en place de la RĂ©serve Naturelle des Bouches de Bonifacio (Corse) sur les communautĂ©s de poissons et (ii) les bĂ©nĂ©fices de ce type de gestion pour l'activitĂ© de pĂȘche artisanale locale. Nous avons ensuite dĂ©veloppĂ© un modĂšle et testĂ© (iii) les scĂ©narios de gestion les mieux adaptĂ©s au maintien de la ressource de langouste rouge, en dĂ©clin dans la rĂ©serve, et Ă  son exploitation durable. Les donnĂ©es de captures de la pĂȘche artisanale du sud de la Corse nous ont permis de mettre en Ă©vidence l'impact de la pĂȘche plaisanciĂšre sur la structure et la biomasse des communautĂ©s exploitĂ©es. Bien que la forte diminution de l'effort de pĂȘche ait pu contribuer Ă  une augmentation des captures par unitĂ© d'effort, l'analyse sous forme de groupes de rĂ©ponse nous a permis de mettre en Ă©vidence une augmentation diffĂ©renciĂ©e des captures de la pĂȘche artisanale en fonction de l'intĂ©rĂȘt des espĂšces pour la chasse au harpon. De plus, nous avons remarquĂ© que la rĂ©glementation de la RNBB ne semble pas suffire Ă  la protection d'une espĂšce emblĂ©matique, la langouste rouge. Les indicateurs issus de l'outil de modĂ©lisation ISIS-Fish nous ont permis de constater la nĂ©cessitĂ© d'une restriction plus importante de l'accĂšs Ă  cette ressource dans l'objectif d'une pĂȘche durable.These last decades have been characterized by a great development of fishing techniques, contributing to the overexploitation of numerous marine fish stocks. In order to limit this collapse and to restore impacted communities, the implementation of management measures was necessary. Marine Protected Areas (MPAs), initially developed to protect remarkable habitats and associated biodiversity, are more and more used as a tool for spatial management of fishing activities, by adult export and/or larvae migrations from protected zones to surrounding fisheries.The aim of this PhD was to evaluate using indicators and predictive models (i) the impact of the Bonifacio Strait Natural Reserve (Corse) implementation on fish communities and (ii) the benefits of such management measures for the local artisanal fishery. We then developed a model and tested (iii) management scenarios for maintaining the spiny lobster resource, en decline in the reserve, into a sustainable exploitation way.Artisanal fishery catch data from south Corsica has permitted to highlight the indirect impact of recreational fishing on exploited fish communities structure and biomass. Whereas a decrease of the fishing effort may contribute to increasing catches per unit effort (CPUE), the analysis using response groups helped us to reveal differentiated increase of the artisanal fishery catches considering the interest of species to spearfishing. Moreover, we noticed than even if the BSNR legislation represents a benefit for many species, it is not sufficient for the emblematic red spiny lobster recover. Indicators issued from the ISIS-Fish model showed that higher restrictions on this resource access are necessary in the objective of sustainable fisheries.MONTPELLIER-BU Sciences (341722106) / SudocSudocFranceF

    La pĂȘche rĂ©crĂ©ative au bar sur les façades atlantique, manche et mer du nord. RĂ©sultats de l'enquĂȘte 2009-2011

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    Bien gĂ©rer les activitĂ©s humaines et les ressources naturelles cĂŽtiĂšres nĂ©cessite de connaĂźtre de maniĂšre prĂ©cise les interactions entre elles. A l'heure actuelle, la pĂȘche professionnelle est relativement bien suivie, mais ce n'est pas le cas de la pĂȘche rĂ©crĂ©ative. En effet, cette activitĂ© est difficile Ă  caractĂ©riser et Ă  renseigner car elle renvoie le plus souvent Ă  des pratiques nomades, dispersĂ©es et trĂšs hĂ©tĂ©rogĂšnes, pour lesquelles les informations sont rares

    Combining Telephone Surveys and Fishing Catches Self-Report: The French Sea Bass Recreational Fishery Assessment

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    International audienceFisheries statistics are known to be underestimated, since they are mainly based on information about commercial fisheries. However, various types of fishing activities exist and evaluating them is necessary for implementing effective management plans. This paper assesses the characteristics and catches of the French European sea bass recreational fishery along the Atlantic coasts, through the combination of large-scale telephone surveys and fishing diaries study. Our results demonstrated that half of the total catches (mainly small fish) were released at sea and that the mean length of a kept sea bass was 46.6 cm. We highlighted different patterns of fishing methods and type of gear used. Catches from boats were greater than from the shore, both in abundance and biomass, considering mean values per fishing trip as well as CPUE. Spearfishers caught the highest biomass of sea bass per fishing trip, but the fishing rod with lure was the most effective type of gear in terms of CPUE. Longlines had the highest CPUE value in abundance but not in biomass: they caught numerous but small sea bass. Handlines were less effective, catching few sea bass in both abundance and biomass. We estimated that the annual total recreational sea bass catches was 3,173 tonnes of which 2,345 tonnes were kept. Since the annual commercial catches landings were evaluated at 5,160 tonnes, recreational landings represent 30% of the total fishing catches on the Atlantic coasts of France. Using fishers' self-reports was a valuable way to obtain new information on data-poor fisheries. Our results underline the importance of evaluating recreational fishing as a part of the total amount of fisheries catches. More studies are critically needed to assess overall fish resources caught in order to develop effective fishery management tools

    The global information system on small-scale fisheries (ISSF): A crowdsourced knowledge platform

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    International audienceInformation about small-scale fisheries (SSF) is often scarce and scattered. This is partly due to insufficient attention on this sector, whose contribution to society is often assumed to be negligible. It also results from SSF being highly diverse, with complex patterns of harvest and post-harvest activities taking place in a wide range of aquatic environments and often in remote areas. Existing fisheries information systems fail to fully capture the characteristics and essence of SSF, resulting in a lack of integrated and up-to-date data, which further marginalizes the sector in policymaking and governance. To help rectify the situation, the Too Big To Ignore project developed the Information System on Small-scale Fisheries (ISSF), a Web-based, open data portal to collect and disseminate knowledge on various aspects of SSF. This paper describes the conception of ISSF and its key features, and presents some results extracted from the analysis of ISSF data, illustrating the importance of such a global database on SSF
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