A conservation easement is valid even though:

(1) It is not appurtenant to an interest in real property;

(2) It can be or has been assigned to another holder;

(3) It is not of a character that has been recognized traditionally at common law;

(4) It imposes a negative burden;

(5) It imposes affirmative obligations upon the owner of an interest in the burdened property or upon the holder;

(6) The benefit does not touch or concern real property; or

(7) There is no privity of estate or of contract.