In just three years, the nacra ( Pinna nobilis ), a species of giant bivalve endemic to the Mediterranean, has gone from being included in the category of “vulnerable species” to that of “critically endangered species” in the species list. threatened by the Ministry of Agriculture, Fisheries and Food , and to be included in the red list of threatened species of the International Union for Conservation of Nature (IUCN). The reason is the protozoan Haplosporidium pinnae, which since 2016 causes mortality close to 100% in nacra populations throughout the Mediterranean coast. In the Alfaques bay, in the Ebro delta, the first outbreaks of the disease began in July 2018, coinciding with especially high temperatures (> 28 ° C). To this threat must be added that of another

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pathogen, a microbacterium that in Italy has caused Bahrain Phone Number List massive mortalities, as well as the fact that the nacras of the bays of the Delta live between 20 and 130 cm deep and, therefore, are exposed to the collide with the boats. On the Spanish coast, the only population that, for now, has not suffered the effects of the diseases is the Bay of Fangar, in the Ebro delta. The population of Mar Menor (Murcia), where there are still thousands of individuals , has been affected recently, and that of the Alfaques, which was affected in its outer part, is also at risk as a result of the ravages of the storm Gloria : the breakage of the Trabucador Bar exposes the pathogens to the nacras uninfected from the bottom of the bay, and it is unknown how it will affect them when the

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sea temperature rises to 13.5 ° C, which is when the protozoan can begin to act.”The nacre populations of the Ebro delta constitute one of the last sanctuaries of the species in the Iberian Peninsula, and scientists, public institutions and citizens have to make a common effort to be able to conserve this unique heritage , ” says Patricia Prado , researcher at the Institute for Food Research and Technology (IRTA) . With the aim of saving the nacras of the Delta, the Catalan Federation of Underwater Activities (FECDAS) and the IRTA launch today, February 5, the crowdfunding campaign “Save the nacras, not a nacra less”, with the following objectives: to rescue juvenile individuals from the bay of Alfaques trapped in shallow sand bars, which are

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