English: peat hag

Part of speech

Noun, Feminine, Singular

Plural

torlannau mawn

Definition

A peat hag is a type of erosion that can occur at the sides of gullies or seemingly in isolation. They often arise as a result of water flow eroding downwards into the peat or where a fire or overgrazing has exposed the peat surface to dry out and blow or wash away.

Context

Wrth fynd ati i asesu’r ardaloedd sydd wedi’u targedu, dylid asesu i ba raddau y ceir nodweddion sy’n gysylltiedig â sychu, dirywio ac erydu. Dylid asesu draeniau sydd wedi’u rheoli, gripiau a thorlannau mawn/mawn moel.