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青蛤盛产于我国北方沿海,生长快,适应性强,肉味鲜美,是一种经济价值较高的滩涂贝类。乐亭县近年来由于受自然环境及人工采捕的影响,青蛤的自然资源及采捕量逐年下降,因此大力开展青蛤的增养殖工作,已成为当务之急。1991年4月我们在乐亭县西滩贝类增养殖场放养平均壳长2.5cm的青蛤苗种30t进行滩涂增养殖试验;1992年秋末收获部分平均壳长3.8cm的商品青蛤61t,获纯利8万余元;同时初步研究了青蛤的生活习性及若干环境因子对青蛤生长的影响。
Green clam is rich in the coast of northern China, rapid growth, adaptability, delicious meat, is a higher economic value of beach shellfish. In recent years, due to the natural environment and artificial harvesting in Laoting County, natural resources and harvesting volume of Qingyang clam have been declining year by year. Therefore, it has become a top priority to vigorously carry out the cultivation of clams. April 1991 we Laoting County West Beach shellfish breeding stocking average shell length of 2.5cm of the genus Clams 30t tidal flats breeding experiments; harvest the late autumn 1992, part of the average shell length of 3.8cm Cymbidium goods 61t, The net profits of more than 80,000 yuan; at the same time a preliminary study of the life habits of Cyclops and some environmental factors on the growth of Cyclops clams.