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1合浦沿海文蛤大批死亡情况 自2001年4月中旬开始,广西合浦县沿海各镇养殖文蛤(Meretrix meretrix Linnaeus)陆续出现死亡,最初西场、沙岗镇沿海养殖文蛤出现少量死亡,接着蔓延至党江镇。进入5月份,廉州、党江镇沿海养殖文蛤出现大面积死亡。据调查,全县文蛤死亡涉及4个沿海镇,死亡总面积1713hm2,占全县文蛤养殖面积的23.3％,死亡率达79.5％,较往年一般死亡率10％～20％严重得多。文蛤死亡有4个特点:
1 Hepu Coastal Clam Large Deaths Since the middle of April 2001, Meretrix meretrix Linnaeus has been successively killed in coastal towns of Hepu County in Guangxi Province. A small amount of coastal clam was initially killed in Xi’e and Shagang Township and then spread to the party Town. Into May, Lianzhou, Dangjiang Town, coastal farming clams appear large area of death. According to the survey, the death of clam in the county covers 4 coastal towns. The total death area is 1713hm2, accounting for 23.3% of the total clam farming area with a mortality rate of 79.5%, which is significantly worse than the 10% -20% of the general mortality rate in previous years. Clam death has 4 characteristics: