Sec. 13-3-12 Abrogation and Greater Restrictions.
   (a)   This Chapter supersedes all the provisions of any municipal zoning ordinance enacted under Section 62.23 or 87.30, Wis. Stats., which relate to shoreland-wetlands, except that where another municipal zoning ordinance is more restrictive than the provisions contained in this Chapter, that ordinance shall continue in full force and effect to the extent of the greater restrictions, but not otherwise.
   (b)   This Chapter is not intended to repeal, abrogate or impair any existing deed restrictions, covenants or easements. However, where this Chapter imposes greater restrictions, the provisions of this Chapter shall prevail.