舟山海底串作业对渔业资源的利用分析及其管理建议

Utilization of the fishery resource of the Benthoal string net fishing in Zhoushan and management advice

根据2006—2008年的调查监测资料,对浙江舟山海底串作业利用渔业资源情况进行了分析。结果表明：浙江舟山海底串的作业渔场范围主要位于舟山近海海域（29°30′-31°30′N、122°00′-123°00′E）,渔期为1—9月,盛期在7—8月;渔获组成主要为小型经济鱼类及其幼鱼,皮氏叫姑鱼Johnius belengeri、小黄鱼P seudosciaena polyactis、棘头梅童鱼Collichthys lucidus、龙头鱼Harpadon nehereus、黄鲫Setipinna taty、凤鲚Coil-ia mystus、口虾蛄Oratosquilla oratoria及经济虾类是常见的渔获种类;幼鱼渔获比例较高,损害渔业资源较为严重。笔者结合调研情况对海底串作业提出了休渔管理的建议。

The fishery resources status was analyzed according to the investigative data of benthoal string net fishing vessel of Zhoushan during 2006-2008.The results showed that the fishing ground distributed in 29°30′-31°30′N,122°00′-123°00′E,fishing period was usually January to September,best fishing period was July to August;The main species caught were small commercial fishes and its juveniles,including Johnius belengeri,Pseudosciaen polyactis,Collichthys lucidus,Harpadon nehereus,Setipinna taty,Coilia mystus,Oratosquilla oratoria,and commercial shrimps;which had high catch rates of juvenile fish.And suggestion of reasonable closed fishing period were bring forward.