因地制宜发展我国北方海水养鱼张起信（荣成市水产局，２６４３０９）我国海水鱼类养殖已有４００多年历史。最早养殖的品种以梭、鳅类为主，基本属于粗放型。我国南方，由于水温高、费用低、种类多、市场好等有利条件，海鱼养殖业的发展已遥遥领先于北方。如何将北方的海... According to local conditions, we should develop seawater and fish culture in the north of our country. Zhang Qixin (Rongcheng Aquatic Products Bureau, 264309) Our country has over 400 years of marine fish farming. The earliest breeding breed shuttle, loach-based, basic is extensive. In the south of our country, due to the favorable conditions of high water temperature, low cost, large variety and good market, the development of marine fish farming is far ahead of the north. How to sea in the north ...