WG and other public bodies have a duty to take all reasonable steps to maintain and enhance these species [Environment (Wales) Act 2016].
Mae gan Lywodraeth Cymru a chyrff cyhoeddus eraill ddyletswydd i gymryd pob cam rhesymol i ofalu am a chyfoethogi’r cynefinoedd hyn [Deddf Amgylchedd (Cymru) 2016].