Long-Distance Benefits of Marine Reserves: Myth or Reality?

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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Submitted on : Thursday, October 24, 2019 - 11:48:49 AM
Last modification on : Thursday, November 7, 2019 - 5:40:08 PM

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Stéphanie Manel, Nicolas Loiseau, Marco Andrello, Katharina Fietz, Raquel Goñi, et al.. Long-Distance Benefits of Marine Reserves: Myth or Reality?. Trends in Ecology and Evolution, Elsevier, 2019, 34 (4), pp.342-354. ⟨10.1016/j.tree.2019.01.002⟩. ⟨hal-02331101⟩

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