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.
Alaska Legal Code