鱼塘中生长大量藻类植物,会使水质恶化,影响鱼类生长,必须及时防制。1.水网藻多发于水质较肥的浅水鱼塘,旺盛的丝状藻体集结如网带,鱼苗误入网带常因呼吸困难和无法摄食而死亡。防制方法:放养鱼种前可用生石灰清塘,每亩(1亩=667平方米)水深1米的水体用量为7.5千克。发生藻害时, Large growth of algae in fish ponds, will deteriorate the water quality, affecting the growth of fish, we must timely control. 1. Hydrothermal seaweed occur in water more fat shallow fish ponds, strong filamentous algae body such as net belt, fry fish into the network often due to difficulty breathing and can not eat and died. Control methods: stocking available available lime clean ponds, per acre (1 mu = 667 square meters) 1 meter depth of water consumption of 7.5 kg. Occurrence of algae damage,