Technical mapping work to refine these Resource Areas was undertaken by ABPMer on behalf of Welsh Government and with the involvement of a wide range of stakeholders.
Cwblhawyd y gwaith mapio technegol i fireinio'r Ardaloedd Adnoddau hyn gan ABPMer ar ran Llywodraeth Cymru, gyda chyfraniad amrywiaeth eang o randdeiliaid.