Wetland Buffer. Where a wetland is not within a designated riparian vegetation corridor, a buffer area of one hundred feet shall be maintained, to be measured landward of the wetland edge. A buffer of less than one hundred feet may be utilized where it can be determined that there is no adverse impact on the wetland. A determination to utilize a buffer are of less than one hundred feet shall be made in cooperation with the California Department of Fish and Game. The city's determination shall be based upon specific findings as to the adequacy of the proposed buffer to protect the identified resource. The required rear, front and side yard setbacks of a parcel may be located within the buffer area; however, no development other than that specified above may take place within that portion of the yard setbacks located within the buffer area.