This chapter does not supersede or diminish the existing authority of any of the following:
- (a) The County of Sacramento or any other entity responsible for the management, operation, maintenance, or protection of lands and resources within the American River Parkway.
- (b) The Sacramento County Board of Supervisors acting as the Parkway Manager pursuant to its authority to interpret and implement the American River Parkway Plan.
- (c) The board pursuant to other law.