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  • Five key attributes can increase marine protected areas performance for small-scale fisheries management - more
  • Your evidence or mine? Systematic evaluation of reviews of marine protected area effectiveness - more
  • Defining marine protected areas: A response to Horta e Costa et al. - more
  • A regulation-based classification system for marine protected areas: A response to Dudley et al. - more
  • Pescatourism-A European review and perspective - more
  • Assesing interacting impacts of artisanal and recreational fisheries in a small Marine Protected Area (Portofino, NW Mediterranean Sea) - more
  • Meeting Aichi Target 11: Equity considerations in Marine Protected Areas design - more
  • Patterns of fish connectivity between a Marine Protected Area and surrounding fished areas - more
  • Solutions for ecosystem-level protection of ocean systems under climate change - more
  • Epiphytes and nutrient contents influence Sarpa salpa herbivory on Caulerpa spp vs. seagrass species in Mediterranean meadows - more

Actualités scientifiques

Cette section propose une veille des derniers travaux scientifiques notoires publiés relatifs à la gestion des Aires Marines Protégées en Méditerranée, et dans le monde si applicable.

Ce service s'inscrit dans le cadre de la stratégie 2013-2017 du réseau MedPAN ainsi que dans celui de sa stratégie scientifique qui préconisent pour  le réseau MedPAN de devenir un réseau de connaissance, d'information, d'anticipation et de synthèse.

Chaque mois les résultats de la veille sont présentés ci-dessous. N'hésitez pas à effectuer une recherche, plus de 500 publications ont déjà été sélectionnées depuis 2013.

Veille scientifique

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Patterns of fish connectivity between a Marine Protected Area and surrounding fished areas

26/01/17

Patterns of connectivity are recognized as key factors shaping the dynamics of marine populations and their estimates are crucial to inform the design of both Marine Protected Areas (MPAs) and MPA networks.

This study investigates the genetic structure of the two-banded sea bream Diplodus vulgaris, a coastal fish that is both commercially and ecologically important, along 200 km of the Apulian Adriatic coast (SW Adriatic Sea), within and outside the Torre Guaceto MPA (Italy).

The obtained results show similar genetic diversity for both the MPA and the surrounding fished areas. The authors state that the overall lack of genetic structure among samples suggests high gene flow (i.e. connectivity) across a scale of at least 200 km. However, some local genetic divergences found in two locations demonstrate some heterogeneity in processes renewing the population along the Apulian Adriatic Coast. It is highlighted that while the specific role of the MPA is not entirely known in this case, the results confirm the presence of regional processes and the key role of connectivity in maintaining the local population supply.

It is concluded that the results may serve as a baseline for future studies looking into the design and implementation of a potential network between the MPAs of Torre Guaceto, Otranto-Tricase and Porto Cesareo.

English

http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0167441

Sahyoun R, Guidetti P, Di Franco A, Planes S (2016) Patterns of Fish Connectivity between a Marine Protected Area and Surrounding Fished Areas. Plos One 11:e0167441