The forest has been protected since 1908 and in 1993 the area was upgraded to a National Nature Reserve.
The National Nature Reserve was declared in 1981 and covers an area of 4.8 km2 (1.85 mi2).
It is a sheep farm and has been a National Nature Reserve since 1955.
There are 180.5 ha of this common in the National Nature Reserve.
It was declared a National Nature Reserve in 1959 because of its importance for wildlife, particularly plants.
In 1957 the area was designated a National Nature Reserve.
In 1992, the lake and its wetlands were designated as a National Nature Reserve.
Part of the site has been designated a National Nature Reserve.
In 2009 the site was designated a National Nature Reserve.
One of their duties is to establish National Nature Reserves.