(2002) Effects of Trawling and Dredging on Seafloor Habitats. National Academies Press. Further reading March, E. J. (1953). Sailing Trawlers: The Story of Deep-Sea Fishing with Long Line and Trawl. Percival Marshal and Company. Reprinted by Charles & David, 1970, Newton Abbot, UK. External links Bottom trawling imagery Annotated satellite images from a number of bottom trawling activities around the world Deep Sea Conservation Coalition Campaign for a ban on deep sea bottom trawling FAO Gear type fact sheets Gear type fact sheet on various types of bottom trawls Oceana: bottom trawling facts On the role bottom trawling plays in global fisheries Bibliography of the Effects of Fishing Gear on the Seabed and Benthic Communities Pictures of beam trawlers from the east coast of the UK Marine biology Environmental impact of fishing