Richard Colbeck (Tasmania, Liberal Party, Parliamentary Secretary to the Minister for Finance and Administration) Share this | Hansard source

The reading I have done indicates that there is a range of impacts, depending on the type of seismic activity or the type of sonar being used. Continuing research is being undertaken to understand that better. I do not accept your definition that all activities have a severe impact particularly on cetaceans. The reading that I have done indicates that it depends significantly on the type of activity that is being undertaken and a range of other things, including proximity and the type of technology that is being used.