Aquacultural ecosystems.
D000383:Agriculture; D000822:Animal Husbandry; D000818:Animals; D004463:Ecology; D056890:Eukaryota; D005398:Fisheries; D005399:Fishes; D005523:Food Supply; D005618:Fresh Water; D008386:Marine Biology; D008974:Mollusca; D010839:Phytoplankton; D012623:Seawater; D015048:Zooplankton