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在养鱼生产中，严重危害鱼类的植物性敌害有湖靛、青泥苔、水网藻和甲藻四类。 一、湖靛 夏秋季节，微囊藻大量繁殖时，在水面会形成一层翠绿色水花，称为湖靛。微囊藻藻体中含蛋白质较多，但由于有胶质膜包裹，鱼类吃了不容易消化。更为严重的是，湖靛在碱性水中繁殖时，?
In the production of fish, there are four types of phytoplankton, which are seriously endangering fish, such as lake indigo, algae moss, hydromonas and dinoflagellates. First, the lake in the summer of autumn, when the microcystis bloom in large quantities, the surface will form a layer of emerald water, known as the lake indigo. Microcystis algae contain more protein, but because of the glial membrane wrapped, the fish eat is not easy to digest. More seriously, Lake indigo breeding in alkaline water,?