The EIA threshold is 2ha where your proposed tree planting area is within a National Park or Area of Outstanding Natural Beauty (AONB) and 5ha for other areas.
Y Trothwy ar gyfer cynnal EIA yw 2ha os oes unrhyw ran o’r tir mewn Parc Cenedlaethol neu Ardal o Harddwch Naturiol Eithriadol (AHNE), a 5ha ar gyfer unrhyw dir arall.