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杭州市康桥镇位于杭州郊区,水利条件良好,该镇农民充分利用河塘清洁水源,采用围拦方法精养成鱼,获得了良好的经济和社会效益。1.养殖设施建设(1)拦鱼设施根据养殖河塘分段围拦需设置拦鱼设施,网栏或栅栏。拦鱼设施底栏(下纲)应埋入底泥1米以上,上栏高出常年最高水位1米以上,另设1米以上备用活动网拦,上栏确保到河边不留空隙。固定立柱(桩)材料可选用相应规格的钢管、有机钢化塑管、毛竹等。下桩深度在
Kangqiao Town, Hangzhou City is located in the outskirts of Hangzhou, water conditions are good, the town farmers make full use of the river pond clean water, using the barrier method of intensive fish, access to a good economic and social benefits. 1. Breeding facilities (1) fish-stopping facilities According to the breeding rivers ponds need to set up barricades around the barricade facilities, fence or fence. The barricade of fish-stopping facilities (below) should be buried more than 1 meter above the bottom of the sediment. The upper column should be above 1 meter above the highest level of the perennial waters. An additional 1-meter standby net shall be provided. The upper column shall ensure no gaps to the river. Fixed column (pile) material can choose the appropriate specifications of steel, organic steel pipe, bamboo and so on. Under the pile depth in