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1993年10月,广东省情贺港龙山滩涂养殖的丽文蛤(Meretrix lusoria Roding)发生大量的死亡。文蛤死亡首先发现在一个虾苗场的排水口附近的文蛤场,然后逐渐向外
In October 1993, a large number of deaths occurred in Meretrix lusoria Roding, a breeding farm in Longshan Beach, Qinghai Province. The death of clam was first found in the clam farm near the drain of a shrimp farm and then gradually