At the Sustainable Development Summit in Johannesburg in 2002, the European Union agreed to exploit all its stocks at their maximum sustainable yield.
Le linn anchruinnithe mhullaigh faoin bhforbairt inbhuanaithe, i Johannesburg i 2002, ghabh an tAontas Eorpach air na stoic arfad a shaothrú ag leibhéal an-uasghabhála inbhuanaithe.