112.Section 72 makes further provision for the establishment of Demonstration and Research MPAs. A designation order must identify the area’s boundaries and may provide for the boundary to be determined by, or by reference to, mean high water spring tide. A Demonstration and Research MPA may include, in addition to an area of sea referred to in section 67(1), an area of seashore lying above mean high water spring tide if the area of seashore adjoins the area of sea and the inclusion of the area of seashore is necessary to further or support the purpose for which the area is designated.