编辑同志: 我国地处北纬30度以北高纬度地带的国土面积约占全国总面积的50%,南部地区也多山地和高原。这一地理条件使我国南北东西几乎到处都分布着冷水水域资源和冷水性鱼类资源。这些宝贵的资源被闭置了几千年,直到最近才以虹鳟鱼养殖为开端开始引起人们的瞩目。但是与西方国家及日本利用冷水水域发展冷水鱼增殖业和游钓业的情况比较,可以说我国的这些资源至今尚未开发利用。据初步统计我国冷水性鱼类约有56种及亚种,其中有些是亚洲北部的特产,有些是我国的特产,它们多数都是珍稀名贵鱼类,三北地区以及京广沿线的秦岭 Editor’s Comrade: China’s land area located in the high latitudes north of latitude 30 degrees north latitude occupies about 50% of the total area of ​​the country. The southern region is also mountainous and plateau. This geographical conditions make cold water and cold water fish resources almost everywhere in our country. These precious resources were closed for thousands of years and until recently began to attract rainbow trout farming began to attract attention. However, compared with the development of cold water fish breeding industry and fishing industry in the cold water area in western countries and Japan, it can be said that these resources in our country have not yet been developed and utilized. According to preliminary statistics, there are about 56 species and subspecies of cold-water fish in China, some of which are specialties in the northern part of Asia and some are special products of our country. Most of them are rare and precious fish. The Qinling Mountains