Del. Code tit. 7 § 7312
Nothing contained in this chapter shall be construed as interfering with the purposes stated in the establishment of or pertaining to any state or local park, preserve, wildlife refuge or other area or the proper management and development thereof, except that any agency administering an area dedicated as a nature preserve under this chapter shall be responsible for preserving the character of the area in accordance with the articles of dedication and the applicable rules and regulations with respect thereto established by the Department from time to time. Neither the dedication of an area as a nature preserve nor any action taken by the Department under any of the provisions of this chapter shall void or replace any protective status under law which the area would have were it not a nature preserve, and the protective provisions of this chapter shall be supplemental thereto.
7 Del. C. § 7312