As used in this chapter, unless the context requires a different meaning: “Aquaculture” means the propagation, rearing, enhancement, and harvest of aquatic organisms in controlled or selected environments, conducted in marine, estuarine, brackish, or fresh water. “Aquaculture facility” means any land, structure, or other appurtenance that is used for aquaculture, including any laboratory, hatchery, pond, raceway, pen, cage, incubator, or other equipment used in aquaculture. “Aquatic organism” means any species or hybrid of aquatic animal or plant, including fish, shellfish, marine fish, and marine organisms as those terms are defined by § 28.2-100.