Recruitment disruption and the role of unaffected populations for potential recovery after the Pinna nobilis mass mortality event
Kersting, Diego K.
Belkhamssa, Fatima Z.
García-March, José R.
Pujol, José A.
Valencia, José M.
Hendriks, Iris E.
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 three 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 were recorded in a few sites where the resident population had been decimated. This hints to the importance of unaffected populations as larval exporting sources and the role of oceanographic currents in larval transport in the area, representing a beacon of hope in the current extremely worrying scenario for this emblematic species.
574 - Ecologia general i biodiversitat
Is part of
Frontiers in Marine Science
Kersting, Diego K., Maite Vázquez-Luis, Baptiste Mourre, Fatima Z. Belkhamssa, Elvira Álvarez, Tatjana Bakran-Petricioli, and Carmen Barberá et al. 2020. "Recruitment Disruption And The Role Of Unaffected Populations For Potential Recovery After The Pinna Nobilis Mass Mortality Event". Frontiers In Marine Science 7. doi:10.3389/fmars.2020.594378.
Grant agreement number
EC/H2020/689518/EU/Marine Ecosystem Restoration in Changing European Seas/MERCES
MITECO/ / /ES/Estrategias Marinas de España, protegiendo el mar para todos/EsMarEs
MICIU-FEDER/Programa Estatal de I+D+I orientada a los retos de la sociedad/RTI2018-095441-B-C21/ES/SOSTENIBILIDAD DE ECOSISTEMAS COSTEROS MARINOS EN EL CONTEXTO DEL CAMBIO GLOBAL EN EL MEDITERRANEO/SuMaEco
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/IJCI-2017-31457/ES/ /
MINECO/Programa Estatal de promoción del talento y su empleabilidad en I+D+I/IJCI-2016-29329/ES/ /
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