8.11 Where there is scientific uncertainty NRW should take a precautionary approach to preventing deterioration when setting objectives and alternative objectives.
8.11 Pan fo ansicrwydd gwyddonol i’w gael, wrth fynd ati i bennu amcanion ac amcanion amgen dylai CNC roi dull rhagofalus ar waith mewn perthynas ag atal dirywiad.