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Recruitment Disruption and the Role of Unaffected Populations for Potential Recovery After the Pinna nobilis Mass Mortality Event

Abstract : A devastating mass mortality event (MME) very likely caused by the protozoan Haplosporidium pinnae first detected in 2016 in the Western Mediterranean Sea, is pushing the endemic bivalve Pinna nobilis to near extinction. Populations recovery, if possible, will rely on larval dispersal from unaffected sites and potential recolonization through recruitment of resistant juveniles. To assess the impact of the MME on the species' larval recruitment, an unprecedented network of larval collector stations was implemented over several thousands of kilometers along the Western Mediterranean coasts during the 3 years after the onset of the MME. The findings of this network showed a generalized disruption in recruitment with dramatic consequences for the recovery of the species. However, there were exceptions to this pattern and recruits
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Submitted on : Monday, November 2, 2020 - 10:33:58 AM
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Diego Kersting, Maite Vázquez-Luis, Baptiste Mourre, Fatima Belkhamssa, Elvira Álvarez, et al.. Recruitment Disruption and the Role of Unaffected Populations for Potential Recovery After the Pinna nobilis Mass Mortality Event. Frontiers in Marine Science, Frontiers Media, 2020, 7, pp.1-18/594378. ⟨10.3389/fmars.2020.594378⟩. ⟨hal-02983801⟩

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