"Riparian corridor" means land related to or located on the bank of or adjacent to a natural or artificial waterway, including, without limitation, a river, an intermittent or permanent creek or stream, a gully where surface water collects, a wetland, a lake or a ditch, if the land exhibits plant types unique to areas with periodic or perennial water sources of a magnitude greater than the surrounding uplands.
Nev. Admin. Code § 321.440
§ 2 of ch. 6, Stats. 2001 Special Session