On the one hand they are responsible for the imbalance seen in some ecosystems, and on the other hand they have been identified as the main cause of the depletion of stocks, some of them with a high commercial value, such as cod.
Eiropas Parlaments iesaka sākt ar pilotprojektiem, izvēloties noteiktu skaitu zivsaimniecību atkarībā no izmetumu apjoma vai iesaistīto sugu aizsardzības.