Mae’n rhan annatod o bolisïau cydlynol ar gyfer diogelu cyflenwadau pysgod a’r amgylchedd morol. Er mwyn ein helpu i gyrraedd y nod hwn, cyflwynwyd rheoliadau i atal cychod sy’n fwy na maint penodol rhag cael eu defnyddio i bysgota mewn ardaloedd dynodedig o’r parth 0-6 milltir forol.
Part of the regulation in place to assist with the achievement of that vision involves the prohibition of fishing in certain areas of the 0-6nm zone using boats that are in excess of certain size limits.