rearing or culture of aquatic organisms using techniques designed to increase the production of the organisms in question beyond the natural capacity of the environment; the organisms remain the property of a natural or legal person throughout the rearing or culture stage, up to and including harvesting, the cultivation of aquatic animals and plants, esp. fish, shellfish, and seaweed, in natural or controlled marine or freshwater environments, veeorganismide kasvatus basseinides, merelahtedes, sumpades, tiikides vm, kus nende elutingimusi on võimalik mingil määral kontrollida