Fish aggregation device (FAD) research: gaps in current knowledge and future directions for ecological studies

Dempster, Tim; Taquet, Marc

doi:10.1007/s11160-004-3151-x

Cited by 181 publications

(137 citation statements)

References 65 publications

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“…Marine wild fish are attracted to a wide variety of natural and artificial structures in coastal areas, commonly termed fish aggregation devices (FADs; Dempster and Tanquet, 2004). Fishermen have been familiar with the phenomenon of large aggregations of wild fish around FADs for centuries and have used such structures extensively to attract commercially and recreationally important pelagic fish in different parts of the world (Kingsford, 1999).…”

Section: Introductionmentioning

confidence: 99%

Aggregations of wild Atlantic Bluefin Tuna (Thunnus thynnus L.) at Mediterranean offshore fish farm sites: Environmental and management considerations

et al. 2015

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a b s t r a c tIn recent years, Atlantic Bluefin Tuna (Thunnus thynnus) is being observed to increasingly and more frequently aggregate around Mediterranean offshore fish farms. In the present work, potential interactions between aggregations of this important pelagic species and offshore fish farms and local fisheries were assessed through a questionnaire survey aimed at fish farmers, divers and stakeholders in the Mediterranean. Since the interactions may have implications for aquaculture and marine ecology, enhanced management strategies for the conservation of endangered Mediterranean stocks of Atlantic Bluefin tuna, as well as for sustainable development of aquaculture and fishery activities are discussed.

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Section: Introductionmentioning

confidence: 99%

Aggregations of wild Atlantic Bluefin Tuna (Thunnus thynnus L.) at Mediterranean offshore fish farm sites: Environmental and management considerations

et al. 2015

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“…First, pelagic fish species occupy extensive areas in the open ocean and are usually too loosely aggregated to observe well. However, fish aggregating devices (FADs) are used by fishermen all over the world in tropical and subtropical areas because they attract and aggregate many pelagic species (Fonteneau et al 2000, Fréon & Dagorn 2000, Castro et al 2001, Dempster & Taquet 2004. We hypothesized that utilizing fisheries-independent observations around FADs may also help scientists to access and monitor the diversity of pelagic fish species.…”

Section: Introductionmentioning

confidence: 99%

Visual censuses around drifting fish aggregating devices (FADs): a new approach for assessing the diversity of fish in open-ocean waters

Gaertner

Taquet²,

Dagorn³

et al. 2008

Mar. Ecol. Prog. Ser.

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This study provides a baseline measure of pelagic fish species diversity around fish aggregating devices (FADs) in the Western Indian Ocean. Using data from visual censuses made by SCUBA divers around drifting FADs we (1) analysed 11 diversity indices describing 4 main components of pelagic diversity: number of species, evenness, taxonomic diversity and rarity and (2) discussed the viability of using visual censuses around FADs to monitor temporal and spatial changes in diversity patterns of pelagic fishes in the future. Our results not only show that a single index, such as species richness or the Shannon-Wiener index, cannot provide a complete description of pelagic fish diversity around FADs, but also that some components of diversity appear to be multifaceted themselves and require the simultaneous use of several complementary indices in order to be accurately described and monitored. Despite a limited sampling effort, our results suggest that using visual censuses around FADs could provide reproducible 'relative' indices of diversity for a welldelimited assemblage of species (intra-and extranatant species in the epipelagic domain). In this context, we propose a preliminary 'short list' of diversity indices based firstly on their complementarity and secondly on their simplicity. While visual censuses of pelagic fishes at FADs (like any other sampling method) cannot give an exhaustive picture of diversity, they are a fishery-independent survey method that can complement other sampling techniques and provide reproducible information to monitor the diversity of these very difficult-to-access pelagic fish communities.

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“…Labuhan Lombok. This group of species are usually associated with FADs (Jaquemet et al, 2011;Dempster & Taquet, 2004;Yusfiandani et al, 2010) and also become the main target of many smallscale tuna fisheries alongside Indian Ocean. The total catch of skipjack was higher than tuna in 2009 before they shifted place.…”

Section: Discussionmentioning

confidence: 99%

Dynamics of Gears, Fleets, Catch and Fishing Season of Smallscale Tuna Fisheries in Labuhan Lombok, West Nusa Tenggara

Setyadji¹,

Nugraha²

2015

Indonesian Fisheries Research Journal

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In Indonesia, about 80% of fishing activities are small-scale and play major role both economically and socially. Previous studies mostly concentrated in Java, while in eastern part of Indonesia the information still scarce and limited. The study was conducted from January to December 2013, describes in detail the gears, fleets and catch dynamics of the small-scale tuna fisheries operating based in Labuhan Lombok Coastal Fishing Port (PPP. Labuhan Lombok). Small-scale tuna fishery in Labuhan Lombok are characterized by the small boats less than 10 GT, operating both troll line and hand line simultaneously, targeting large tuna, skipjack tuna and small tuna. Fishing season starts from April to August and influence by southwest monsoon wind and the presence of middleman as the connector between fishers and the market are the main character of the small-scale fisheries business in this area.

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Fish aggregation device (FAD) research: gaps in current knowledge and future directions for ecological studies

Cited by 181 publications

References 65 publications

Aggregations of wild Atlantic Bluefin Tuna (Thunnus thynnus L.) at Mediterranean offshore fish farm sites: Environmental and management considerations

Aggregations of wild Atlantic Bluefin Tuna (Thunnus thynnus L.) at Mediterranean offshore fish farm sites: Environmental and management considerations

Visual censuses around drifting fish aggregating devices (FADs): a new approach for assessing the diversity of fish in open-ocean waters

Dynamics of Gears, Fleets, Catch and Fishing Season of Smallscale Tuna Fisheries in Labuhan Lombok, West Nusa Tenggara

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