logtotal.blogg.se - Nobilis manual

The eventual recovery of impacted populations will depend mainly on the existence of unimpacted populations, resistant individuals and recruitment.

Caution should be taken to translocate pen shells from the sea to other areas with Pinna to avoid transmission of the disease. Targeted transfer of pen shells from highly dense grounds to analyze breeding or replacement in areas where pen shells can’t be found (particularly in inner bays or small lagoons) are also recommended.

Identifying high-density Pinna nobilis hotspots.

These areas need to be closely monitored. It is important to develop actions to promote the survival of natural recruitment in these areas.

The populations in lagoons and enclosed bays have been less affected by these mortality events.

Mapping the situation along all coasts, monitoring every 2-3 months to know the status of the populations and if any recruitment is happening even after the mortality event has occurred.

IUCN's recommendations aim to achieve a better understanding of the Pinna nobilis' situation and to prepare an action programme in both affected and still unaffected areas, including: Recommended actions to address the critically endangered situation of Pinna nobilis

Furthermore, it has been classified as a species of Community Interest in need of strict protection by the European Habitats Directive (92/43/EEC) and as an Endangered Species by the Protocol Concerning Specially Protected Areas and Biological Diversity in the Mediterranean from the Barcelona Convention (Annex II). The Mediterranean Fan Mussel - Pinna Nobilis - enters IUCN's Red List as Criticallly Endangered (CR)ĭue to the drastic population size reduction caused by the still ongoing mass mortality event and the fact that the causing pathogen is still present in the environment, the IUCN Red List of Threatened Species has included the Mediterranan Fan Mussel ( Pinna nobilis) as as Critically Endangered species. Parasite causing massive outbreak of Mediterranean penshell Pinna nobilis continues to extend rapidly, revealing need for further and urgent action.Following a first outbreak in 2016, which caused the mortality of around 99% of the population in Spain, the spread of a disease caused by an haplosporidian parasit and perhaps other mycobacteria is seriously threatening the survival of the Mediterranean’s biggest bivalve mollusc.