Information is exempt information if its disclosure would be likely to –

(a) threaten the survival of a rare or endangered species of flora or fauna; or

(b) prejudice any measures being taken, or proposed to be taken, for the management or protection of a rare or endangered species of flora or fauna; or

(c) have an adverse effect on a site or area of scientific, cultural or historical significance; or

(d) prejudice any measures being taken, or proposed to be taken, for the management or protection of a site or area of scientific, cultural or historical significance provided such measures would not themselves have any of the effects referred to in paragraph (a) , (b) or (c) .