There is increasing worldwide concern about the ecological impacts of trawling. Reports of high levels of bycatch of fish and other species, habitat degradation, bad practices, stock depletion and perceptions of wastage and negative ecological impacts continue to fuel these concerns. ...

In the past 20 years, many fisheries and aquaculture industries around the world have suffered major production losses through the impact of disease epidemics. To date, Australia has avoided many of these epidemics and retains a favourable disease status, which facilitates international trade and...