It may be that removal of dead grass mulch is beneficial, but heavy grazing is detrimental.
Despite the fact that the puna grasslands experience heavy grazing, as an ecosystem it is highly resilient.
In this way, patches receive two years of rest and recovery from the heavy grazing.
Sand bluestem is a high quality forage with good palatability for livestock, but it cannot stand up to continuous heavy grazing.
Farming or heavier grazing would have ruined the grassy plains.
The area, which was once covered with heather and bracken, was laid bare by heavy grazing.
Seeds are hard and long lived leading to high soil seed banks and rapid recovery following fire or heavy grazing.
Such effects are most likely to occur on land subjected to repeated and heavy grazing.
The Yew woodlands have been negatively affected by heavy grazing for many years.
Much of the territory has been used as rangeland, at times with heavy grazing of livestock.