Manel, Stéphanie, Loiseau, Nicolas, Andrello, Marco, Fietz, Katharina, Goñi, Raquel, Forcada, Aitor, Lenfant, Philippe, Kininmonth, Stuart, Marcos, Concepcion, Marques, Virginie, Mallol, Sandra, Pérez-Ruzafa, Angel, Breusing, Corinna, Puebla, Oscar, and Mouillot, David (2019) Long-distance benefits of marine reserves: myth or reality? Trends in Ecology and Evolution, 34 (4). pp. 342-354.

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Abstract

Long-distance (>40-km) dispersal from marine reserves is poorly documented; yet, it can provide essential benefits such as seeding fished areas or connecting marine reserves into networks. From a meta-analysis, we suggest that the spatial scale of marine connectivity is underestimated due to the limited geographic extent of sampling designs. We also found that the largest marine reserves (>1000 km(2)) are the most isolated. These findings have important implications for the assessment of evolutionary, ecological, and socio-economic long-distance benefits of marine reserves. We conclude that existing methods to infer dispersal should consider the up-to-date genomic advances and also expand the spatial scale of sampling designs. Incorporating long-distance connectivity in conservation planning will contribute to increase the benefits of marine reserve networks.

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