九十年代以来，陕西省合阳县黄河滩地渔业整体上未能有“质”的突破，其产品品种单一，质量低，与当前市场的多样化、优质化之要求相去甚远。制约滩地渔业发展的因素诸多，突出的有，如传统品种过剩，价格下跌，影响了渔业效益和养殖户的经济收入，严重挫伤了群众养殖的积极性 Since the 1990s, the fishery in the Yellow River beach in Heyang County, Shaanxi Province, has failed to achieve a “qualitative” breakthrough as a whole. Its single product variety and low quality have far outstripping the current diversification and high-quality requirements in the market. There are many factors restricting the development of fisheries on the beaches and territories. Outstanding ones include the over-riding of traditional varieties and falling prices, affecting fishery benefits and the economic incomes of farmers, seriously dampening the enthusiasm of the masses for breeding