黄河横贯我国九省区的350多个市、县、区，流域面积752443平方公里，全长5464公里，涉及1亿多人口，31乙亩耕地。七十年代之前，黄河水产资源比较丰富、鱼类品种较多，在150种以上，主要经济鱼类近百种，年产量达700多吨。随着岁月的流失，历史的变迁和现代工业的发展，黄河水 The Yellow River runs through more than 350 cities, counties and districts in nine provinces and autonomous regions of our country. The drainage area covers an area of ​​752,443 square kilometers with a total length of 5,464 kilometers, involving more than 100 million people and 31-acre arable land. Before the seventies, the Yellow River aquatic resources are rich in fish species more, more than 150 species, the main economic fish nearly 100 species, the annual output of 700 tons. With the loss of years, historical changes and the development of modern industry, the Yellow River water