AS 46.04.300 - 46.04.390 do not authorize a use of real property that is otherwise prohibited under AS 29.40 or AS 38.05.037, by law other than AS 46.04.300 - 46.04.390 regulating use of real property, or by a recorded instrument that has priority over the environmental covenant or a notice of activity and use limitation. An environmental covenant or a notice of activity and use limitation may prohibit or restrict uses of real property that are authorized by zoning or by law other than AS 46.04.300 - 46.04.390.