The extent of soil loss to development needs to be collected systematically at the national level and an understanding of potential resilience of soils subject to development is required.
Mae angen casglu hyd a lled colled pridd i ddatblygiad yn systematig ar y lefel genedlaethol ac mae angen dealltwriaeth o wytnwch posibl priddoedd sy'n rhwym wrth ddatblygiad.