Georgia Strait Alliance on Artificial Reefs

Environmental alliance questions the benefits of artificial reef creation.

Recreational divers groups have promoted the sinking of derelict ships as artificial reefs at sites throughout Georgia Strait. On the surface, an artificial reef sounds like a good idea. So what's the problem?
Scientists have been studying artificial reefs since the 1970's. While they agree that these reefs have an effect, they do not agree that the effect is beneficial.

Read their entire statement:
http://www.georgiastrait.org/?q=node/604