The best term for protected land is "Turf", or Autochthonal, or IndigenousLand.
protected
another word for shielded could be protected. :D
A tree
What rhymes with land and is another word for walk
it set aside protected land
Another word for desert is "arid region" or "wasteland".
Terrestrial.
land
tract
slough, quagmire
Land lord
Topography.