(a) A conservation or preservation 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 as 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.