"nature reserve"

means—

(a)an area declared, or regarded as having been declared, in terms of section 23 as a nature reserve; or
(b)an area which before or after the commencement of this Act was or is declared or designated in terms of provincial legislation for a purpose for which that area could in terms of section 23(2) be declared as a nature reserve,

and includes an area declared in terms of section 23(1) as part of an area referred to in paragraph (a) or (b) above;