French Exploitation of the Deep-Water Fisheries of the North Atlantic

Charuau, Anatole; Dupouy, Hervé; Lorance, Pascal

doi:10.1007/978-94-015-8414-2_15

Cited by 23 publications

(17 citation statements)

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“…Figure 3 illustrates the interactions between the main gear types in terms of the main species in the catch. Coryphaenoides rupestris is taken in the multi-species trawl fisheries with a range of species including A. silus, deepwater sharks, A. carbo, Molva dypterygia and others (Charuau et al, 1995). Longline fisheries on the upper slopes target Molva molva and Brosme brosme (Anon., MS 2000) whilst deeper down another longline fishery targets Mora moro, Phycis blennoides and the sharks (Pineiro et al, 2001).…”

Section: Discussionmentioning

confidence: 99%

“…Some of these deepwater fisheries are long established, for example the Norwegian longline fishery for ling Molva molva and tusk Brosme brosme whilst others are by now well established, for example the pelagic trawl fisheries for blue whiting Micromesistius poutassou and greater argentine Argentina silus (Gordon, 2001). Others have developed in the last 10 years but are now quite advanced, such as the French mixed-species trawl fishery (Charuau et al, 1995) and the Spanish deepwater longline fisheries for sharks, forkbeard Phycis blennoides and mora Mora moro (Pineiro et al, 2001). In most recent years further expansions of fishing to grounds such as Hatton Bank for Greenland halibut Reinhardtius hippoglossoides, blue ling Molva dypterygia and sharks (Langedal and Hareide, MS 2000;Pineiro et al, 2001) have taken place.…”

Section: Introductionmentioning

confidence: 99%

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A Life History Approach to the Assessment and Management of Deepwater Fisheries in the Northeast Atlantic

Clarke¹,

Kelly²,

Connolly³

et al. 2003

J. Northw. Atl. Fish. Sci.

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It has been generally stated that fish exploited by deepwater fisheries cannot sustain high levels of exploitation because of their characteristic slow growth, longevity and low reproductive output. Irish surveys (19932000) allowed for studies of age, growth, fecundity and maturity of several deepwater teleosts and elasmobranchs. These data show that the teleost roundnose grenadier Coryphaenoides rupestris is slow growing and has low fecundity. Other teleosts also displayed rather conservative life-history characteristics. The birdbeak dogfish shark Deania calceus was slower growing than the teleosts and leafscale gulper shark Centrophorus squamosus attained ages of up to 70 years. The implications of these life-history parameters for sustainable exploitation are discussed by way of comparison with continental shelf species from this region. These data allowed for the estimation of the rate of potential population increase that supports the view that deepwater species are more vulnerable to exploitation. Whilst there may be scope for compensatory changes in fecundity such scope is likely to be limited, especially for sharks. Fisheries management plans should consider these differing life-history traits. The very different life history strategies exhibited by shelf and deepwater species suggests that different management systems will be required for deepwater fisheries to those prosecuted on the shelf.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A Life History Approach to the Assessment and Management of Deepwater Fisheries in the Northeast Atlantic

Clarke¹,

Kelly²,

Connolly³

et al. 2003

J. Northw. Atl. Fish. Sci.

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“…This deep-water fishery, however, throve from the 1980s onwards as the abundance of shelf resources declined greatly and important technological and market limitations were overcome (Piñeiro et al, 2001;Gordon et al, 2003). Headed by French trawlers, a multispecies, deep-water fishery was established at depths of 800 to 1600 m during the 1990s, mostly in the northeast Atlantic (Charuau et al, 1995;Iglesias & Paz, 1995;Gordon, 2001;Piñeiro et al, 2001;Lorance & Dupuoy, 2001). Nearly ten years later, fishing activity on slope grounds began to emerge as a pattern off the Brazilian coast in the tropical and subtropical southwest Atlantic .…”

Section: Introductionmentioning

confidence: 99%

Deep water fisheries in Brazil: history, status and perspectives

Pérez¹,

Pezzuto²,

Wahrlich³

et al. 2009

lajar

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ABSTRACT. The recent development of deep-water fisheries off Brazil is reviewed from biological, economic, and political perspectives. This process has been centered in the southeastern and southern sectors of the Brazilian coast (19°-34°S) and was motivated by the overfishing of the main coastal resources and a government-induced vessel-chartering program. Shelf break (100-250 m) operations by national hook-and-line and trawl vessels intensified in the 1990s. Around 2000-2001, however, foreign-chartered longliners, gillnetters, potters, and trawlers started to operate in Brazilian waters, leading the occupation of the upper slope (250-500 m), mostly targeting monkfish (Lophyus gastrophysus), the Argentine hake (Merluccius hubbsi), the Brazilian codling (Urophycis mystacea), the wreckfish (Polyprion americanus), the Argentine short-fin squid (Illex argentinus), the red crab (Chaceon notialis), and the royal crab (Chaceon ramosae). Between 2004 and 2007, chartered trawlers established a valuable fishery on deep-water shrimps (family Aristeidae), heavily exploiting the lower slope (500-1000 m). Total catches of deep-water resources varied annually from 5,756 ton in 2000 to a maximum of 19,923 ton in 2002, decreasing to nearly 11,000 ton in 2006. Despite intensive data collection, the availability of timely stock assessments, and a formal participatory process for the discussion of management plans, deep-water stocks are already considered to be overexploited due to limitations of governance.Keywords: deep-water fishery, stock assessment, fishery management, southwest Atlantic, Brazil.Pesquerías de aguas profundas en Brasil: historia, situación actual y perspectivas RESUMEN. El reciente desarrollo de la pesca profunda en Brasil fue revisado desde perspectivas biológicas, económicas y políticas. Este proceso se ha centrado en los sectores sureste y sur de la costa de Brasil (19°-34°S) y fue motivado por la sobrepesca de los principales recursos costeros en conjunto con una política gubernamental de arriendo de buques pesqueros. Las operaciones de pesca sobre el borde de la plataforma (100-250 m) por buques palangreros y arrastreros se intensificaron en la década del 90. Sin embargo, entre 2000 y 2001 empezaron a operar buques arrendados para la pesca con palangre, red de enmalle, nasas y arrastre en aguas brasileras y lideraron el proceso de ocupación del talud superior (250-500 m) dirigido principalmente a la captura del rape (Lophyus gastrophysus), merluza argentina (Merluccius hubbsi), brótola de profundidad (Urophycis mystacea), chernia (Polyprion americanus), calamar argentino (Illex argentinus), cangrejo rojo (Chaceon notialis) y cangrejo real (Chaceon ramosae).

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“…In the NE Atlantic orange roughy do not appear to form the very large aggregations found in the southern hemisphere and were not seriously exploited until 1991 when French vessels landed 5000 t, predominately from ICES subareas VI and VII (Charuau et al, 1995). Catches fell to 4500 t in 1992 before stabilising at around 1200 t by 1993 (ICES, 2002).…”

Section: Introductionmentioning

confidence: 99%