The Effects of Commercial Bottom Trawling on Deep Sea Coral and Sponge Habitats

This topic submitted by Craig Voros ( at 12:53 PM on 4/27/06.

Andrea and Joe return to the boat from Gaulin Reef in San Salvador, Bahamas. See other beautiful phenomena from the Bahamas.

Tropical Field Courses -Western Program-Miami University

+Introduction to the Problem
+describe the process of Bottom Trawling
-equipment used
-areas where commonly used
-industry that use it
+describe the importance of deep sea corals and sponge habitats
-Explaination of where ther found
-the conditions that live
-the types of animals that use/need them
-their importance for ocean health
-human implications(medicinal/technology)
+legislilation that pertains to them
-pros and cons of the Bottom Trawling and Deep Sea Coral Habitat Act
+future implications of these ecosystems


Freiwald, A., J.H. Fossa, A. Grehan, T. Koslow, J.M. Roberts, J.M. 2004. “Cold-water coral reefs.” UNEP-WCMC, Cambridge, United Kingdom

International Council for the Exploration of the Sea, ICES. Accessed 4/26/06. “Press Release: Close Europe’s cold-water reefs to fishing.” Available at

National Research Council. 2002. “Effects of trawling and dredging on seafloor habitat.” Committee on Ecosystem Effects of Fishing: Phase 1—Effects of Bottom Trawling on Seafloor Habitats, National Research Council

Oceana, Marine Conservation Biology Institue, 2005. “Justification of the bottom trawling and deep sea

Oceana, Proecting the World’s Oceans. Accessed 4/27/2006. “Who we are.” Available at

Roberts, C.M. 2002. “Deep impact: the rising toll of fishing in deep seas.” TRENDS in Ecology and Evolution 17(5): 242-245

Rogers, A.D. 1999. “The biology of Lophelia pertusa and other deep-water reef-froming corals and impacts from human activities.” International Review In Hydrbiology 84: 315-406

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