天津市是濒临渤海的较大的工商业城市。渔业生产有悠久的历史,但渔业所占比重较小,与天津这样的大城市很不相称。随着工农业生产的发展人民物质生活的提高,人民对水产品的需求越来越多,而我市的水产品产量,从五十年代的末期起到七十年代的初期,一直维持在3万至3万8千吨的水平上,到七十年代的中、末期,发展到4.2万吨至5.7万吨,从七九年起,国家对渔业实行调整以后,我市的水产品产量开始下降,恢 Tianjin is the larger industrial and commercial city on the verge of the Bohai Sea. Fishery production has a long history, but the fishery accounts for a relatively small proportion, which is not commensurate with the big cities like Tianjin. With the improvement of the material and living standards of the people and the people as the development of industry and agriculture produces more and more people’s demand for aquatic products, the output of aquatic products in our city has remained at 30,000 from the late 1950s to the early 1970s From 38,000 tons to 28,000 tons in the mid-to-late 1970s, it has grown from 42,000 to 57,000 tons. Since 1979, when the state adjusted its fisheries, the output of aquatic products in the city began to decline , Restore