Site of Special Scientific Interest (SSSI), National Nature Reserves (NNR), Special Protection Areas (SPA) and Special Areas of Conservation (SAC):
Safle o Ddiddordeb Gwyddonol Arbennig (SoDdGA), Gwarchodfa Natur Genedlaethol (GNG), Ardal Gwarchodaeth Arbennig (AGA) ac Ardal Cadwraeth Arbennig (ACA):