我局现有养殖水面1.97万亩。1988年成鱼总产720万公斤,比1987年546万公斤增长31.9%;平均亩产365公斤,万亩单产仍居全市第一名。单产达到500公斤的水面0.7万多亩,比1987年增加1倍。主养优质鱼水面发展到近0.3万亩。几年来,我局系统成鱼高产的主要原因,除了领 I Bureau of the existing aquaculture surface 19,700 mu. In 1988, the total output of adult fish reached 7.2 million kilograms, an increase of 31.9% over 5.46 million kilograms in 1987; the average yield per mu was 365 kilograms and the yield per mu was still the highest in the city. Yields up to 500 kilograms of water 7,000 acres, an increase of 1 times than in 1987. The main high-quality fish water surface to nearly 0.3 million mu. Over the past few years, the main reason for our bureau system into high-yielding fish, in addition to collar