Akoya shellfish mass death Young shellfish decrease to 1/3 of normal year Ehime Oct. 18 20:18
On the Uwa Sea coast of Ehime Prefecture, it became clear that the number of surviving larvae was reduced to one-third of the average year due to the large number of pearl oysters used for pearl farming.
This was reported at the meeting of the countermeasures meeting held by the prefecture and fisheries organizations in Matsuyama City on the 18th.
According to it, the number of pearl oysters cultivated by Uwajima City and Ainan cultivators is estimated to be 11.18 million at the end of last month, 66% less than normal, It has been reduced to one third.
By municipality, Uwajima City is 5.25 million, less than 64% less than normal, and Ainan Town is 5.93 million, approximately 68% less than normal.
Furthermore, the number of mother shellfish that have grown to a size close to shipment after one year has passed since the juvenile shellfish was 17.12 million in Uwa Sea, a 21% less than normal, and there was some damage to the mother shellfish. It is said.
In addition, the amount of damage caused by a series of deaths is estimated to have exceeded 300 million yen so far, including both young shellfish and mother shellfish.
Mr. Yoshinori Hirai, President of Ehime Fishery Cooperative Association, who had a press conference after the meeting, said “It ’s a big deal,” and expressed his urgent idea to investigate the cause of the problem early and to create measures to prevent damage.