Algae bloom occurs again in the Chilean lake area, and nearly 1,000 tons of salmon and trout die

On November 27, the Chilean National Fisheries and Aquaculture Service (Sernapesca) issued a notice that Los Lagos (Region 10) once again reported a large-scale salmon trout mortality event due to a sharp increase in the concentration of Thalassiosira Pseudonana. ​ Half a month ago, an outbreak of Thalassiosira pseudomicron was discovered in more than a dozen breeding centers in the Reloncavi Estuary and Seno de Reloncavi in Region 10 of Chile. As of November 23, more than 1,500 tons of fish had died, and Salmones Austral was affected. The most serious. ​ Nowadays, another outbreak of Thalassiosira pseudomicronus has occurred in the Reloncavi Estuary area, and the scope of impact has expanded. As of November 27, the dead biomass was 913.5 tons. It is said that 28 breeding centers were affected, and the live fish biomass of these farms was 49,727 tons. , among which 11 breeding centers activated algae outbreak emergency mechanisms, and 2 farms carried out harmless treatment of ...