拖网捕鱼

拖网捕鱼是渔船捕鱼的一种方法。这种捕鱼工具被用于捞取扇贝、牡蛎和其他蛤类，同时也可以用于采集海洋中海底沉积物样本。

结构
拖网捕鱼使用一个很重的捞取工具，由钢铁框架制作，框架的前端有一根链条网丝（又称拖曳缆绳），用于拖曳，还有一个底栖拖网。框架可以安装一根棒子在尾部。

影響
部分拖網方式，例如，對環境影響很大，某些地區例如香港已立法禁止。

参考文献

• National Research Council (US) (2002) [http://books.google.co.nz/books?id=orSv2JlXPykC&pg=PA13&lpg=PA13&dq=%22scallop+dredge%22&source=web&ots=Dba2teZ3mm&sig=lBJcvJ0FHrJI_ppoSc9d92KgOy4&hl=en Effects of Trawling and Dredging on Seafloor Habitat.] Committee on Ecosystem Effects of Fishing. ISBN 0-309-08340-0
• Hall-Spencer & Moore PG (2000) Scallop dredging has profound, long-term impacts on maerl beds. ICES Journal of Marine Science. 57, 1407-1415.

外部链接

• [https://web.archive.org/web/20110601200811/http://www.afma.gov.au/resource-centre/image-library/fishing-techniques/scallop-dredge/ photo of scallop dredge]
• [https://web.archive.org/web/20120907085927/http://www.afma.gov.au/wp-content/uploads/2010/06/scallop_dredge.pdf drawing of scallop dredge]
• [http://www.mersearegatta.org.uk/dredgingmatch.htm Annual oyster dredging match at West Mersea]