(1) State land in a wilderness area, wild area, or natural area shall be maintained or restored so as to preserve its natural values in a manner compatible with this part.

    (2) Grasslands, forested lands, swamps, marshes, bogs, rock outcrops, beaches, and wholly enclosed waters of this state that are an integral part of a wilderness area, wild area, or natural area shall be included within and administered as a part of the area.