1988年清明节前后,青岛市胶南县100多条20～40马力小拖网船,在连青石渔场的西部,用简易海螺底拖网捕香螺。投产早的船作业2～3个月,对船产香螺2～3万公斤,产值6～9万元,取得了较高的经济效益,使香螺资源得到了开发利用。现将胶南县渔民所用的简易海螺底拖网介绍如下: 所谓的简易海螺底拖网,就是用捕鱼底拖网改造 Before and after the Ching Ming Festival in 1988, more than 100 small horsetail trawlers of 20 to 40 horsepower in Jiaonan County of Qingdao City were used to traw the conch with a simple conch at the bottom of Lian Shek Fisheries. Production of early ship operations 2 to 3 months, on the ship Hong Luo 20,000 to 30,000 kg, the output value of 6 to 90,000 yuan, and achieved high economic benefits, the Hong Ling resources have been the development and utilization. Brief introduction of simple conch bottom trawl used by fishermen in Jiaonan County is as follows: The so-called simple conch bottom trawl is rebuilt with fishing bottom trawls