La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Long-term trends in lobster populations in a partially protected vs. no-take Marine Park
Auteurs :	Nick T. Shears, Auteur ; Roger V. Grace, Auteur ; Natalie R. Usmar, Auteur ; Vince Kerr, Auteur ; Russell C. Babcock, Auteur
Type de document :	Article
Dans :	Biological Conservation (132(2) OCT 2006)
Article en page(s) :	222-231
Langues:	Anglais
Résumé :	Increasing the level of protection afforded to the marine environment requires assessment of the efficacy of existing marine protected areas (MPAs) in protecting exploited species. Long-term data from before and after the establishment of MPAs provide a rare but valuable opportunity to assess these effects. In this study we present long-term data (19772005) from before and after park establishment, on the abundance of spiny lobster Jasus edwardsii from fixed sites in a no-take marine park and a recreationally fished marine park, to assess the efficacy of no-take vs. partial protection. Lobster densities were comparable between both marine parks prior to park establishment, but the response of lobster populations differed markedly following protection. On average, legal-sized lobster were eleven times more abundant and biomass

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