According to relevant information, the number of starfish in Qingdao has been significantly reduced. Under the guidance of the marine authorities, local fishermen have been taking a variety of measures to catch and kill the starfish, and the number of starfish has been significantly reduced, and the purchase price of the starfish has also risen.
In early March, a large number of starfish suddenly appeared in the waters of Jiaozhou Bay, Qingdao, preying on clams, oysters, and other shellfish in the aquaculture area, which directly affects the production of breeding and the spring seed priming work.
According to media reports, the affected area is about 100,000 mu, which is expected to cause economic losses of about 100 million yuan.
Under the guidance of the relevant departments, local fishermen have taken a variety of measures to catch and kill starfish over the past few days, and the number of starfish has been significantly reduced.
? The report pointed out that the number of starfish that can be caught has decreased significantly, the peak of a boat can catch four or five thousand pounds, and now many fishing boats out to sea can only bring back more than a thousand pounds of starfish.
Due to the decrease in supply, the purchase price of starfish has also risen from about 4 dollars initially to about 5.5 dollars currently. The outbreak of the starfish mainly for the starfish program of the multi-spined sea pan car, is China's Yellow Sea coast common cold water species, the optimal growth temperature of 15-20 ℃, the upper limit of the temperature 25 ℃.
The sharp increase in the starfish, the number of local breeding clams are also declining, are preyed upon by the starfish, so the breeding staff in order to be able to ensure their income, can only catch and kill the starfish, which also led to a sharp decline in the number of starfish, the local breeding staff through artificial diving to catch and kill the starfish, in order to be able to quickly eliminate these alien species, Qingdao marine management department is also a special case, allowing the Fishermen are allowed to deploy previously banned large mesh nets on the seabed in the aquaculture area. The local fishermen were allowed to deploy large mesh nets The local fishery administration department will supervise the use of special nets such as ground cage nets and trawls during the starfish disaster period, and penalize those who violate the law and damage fishery resources in the name of removing starfish according to the relevant regulations. After the end of the disaster, the nets used will be disposed of properly by the fisheries department of the jurisdiction in a unified organization. Because of this cage net fishing effect is very good, in general, in order to maintain the normal ecosystem of the sea, is not authorized to use, but in order to breeding personnel's family income, to reduce losses, can only do so.