Hedgerows are essentially a man-made element of the landscape, and for generations they have enabled farmers to have more control over the way their land is grazed, and their animals managed.
Yn eu hanfod, mae gwrychoedd yn elfen o’r dirwedd a wnaed gan ddyn, ac ers cenedlaethau maen nhw wedi galluogi ffermwyr i gael gwell rheolaeth dros bori eu tir a gofalu am eu hanifeiliaid.