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The cost of overfishing and management strategies for new fisheries on slow-growing fish: orange roughy (Hoplostethus atlanticus) in New Zealand

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Abstract:

The history of orange roughy (Hoplostethus atlanticus) stocks, primarily in New Zealand and Australia, is commonly used as an example of the inability to manage fisheries resources. We review the history and status of the New Zealand orange roughy fishery and show that the total loss of potential biological yield from overfishing is no more than 8.3% (1260 tonnes (t)·year–1) of the potential yield. The losses from underfishing are estimated to be 810 t·year–1. We consider the biological and economic consequences of alternative management approaches to the New Zealand orange roughy fishery. We suggest that given the uncertainty in stock abundance and productivity and market and processing capacity limits, the management of New Zealand orange roughy stocks has been close to economically optimal and has produced near maximum sustainable yield from the resource.

On utilise souvent l'histoire des stocks de l'hoplostèthe orange (Hoplostethus atlanticus), particulièrement de Nouvelle-Zélande et d'Australie, comme exemple pour montrer que les ressources halieutiques sont impossibles à gérer. Nous passons en revue l'histoire et le statut de la pêche commerciale de l'hoplostèthe orange en Nouvelle-Zélande et démontrons que la perte totale de rendement biologique potentiel dû à la surpêche ne dépasse pas 8,3 % (1260 tonnes (t)·an–1) du rendement potentiel. Les pertes dues à la sous-exploitation sont estimées à 810 t·an–1. Nous examinons les effets biologiques et économiques des diverses approches de rechange pour la gestion de la pêche de l'hoplostèthe de Nouvelle-Zélande. Nous croyons qu'étant donné l'incertitude de l'abondance et de la productivité des stocks et des limites de capacité du marché et de l'industrie de la transformation, la gestion des stocks de l'hoplostèthe orange en Nouvelle-Zélande s'est maintenue à un niveau proche de l'optimum économique et qu'elle a produit à peu près le rendement potentiel à long terme de cette ressource.[Traduit par la Rédaction]

Document Type: Research Article

Publication date: 2006-10-01

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  • Published continuously since 1901 (under various titles), this monthly journal is the primary publishing vehicle for the multidisciplinary field of aquatic sciences. It publishes perspectives (syntheses, critiques, and re-evaluations), discussions (comments and replies), articles, and rapid communications, relating to current research on cells, organisms, populations, ecosystems, or processes that affect aquatic systems. The journal seeks to amplify, modify, question, or redirect accumulated knowledge in the field of fisheries and aquatic science. Occasional supplements are dedicated to single topics or to proceedings of international symposia.
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