Ash woodland has important biodiversity benefits and is the host to many organisms, including some for which it is “obligate”, meaning it is the only ecosystem which supports them.
Mae gan goetir ynn fanteision bioamrywiaeth pwysig ac mae'n lletya llawer o organebau, gan gynnwys rhai y mae'n “anorfod“ ar eu cyfer, sy'n golygu mai dyma'r unig ecosystem sy'n eu cefnogi.