Service decline, language decline and out-migration are complex issues in themselves, with a range of factors believed to exert an influence; second homes being only one.
Mae dirywiad mewn gwasanaethau, erydiad ieithyddol ac allfudo yn faterion cymhleth ynddynt eu hunain, a chredir bod amrywiaeth o ffactorau’n dylanwadu arnynt; dim ond un o’r rhain yw ail gartrefi.