In a CV-1 Zone, only limited development consistent with the preservation of a natural area and to support passive recreation will be permitted. This includes the operation of programs for ecological and nature study, public river access, and limited marine activities. All development and activities shall be compatible with the Greenways Component of the City Master Plan, shall have been reviewed by the Environmental Commission and shall have the approval of the Planning Board. Attention is also invited to the New Jersey "Freshwater Wetlands Protection Act," N.J.S.A. 13:9B-1 through 13:9B-30.