Ecosystems have regions {biogeographic realm}. Palearctic includes Europe, Russia, north China, Japan, and Iceland. Nearctic includes Greenland, Canada, and USA. Palearctic and Nearctic together are Holarctic. Neotropical includes Mexico, Central America, South America, and West Indies. Ethiopian includes Africa south of Sahara Desert. Oriental includes India, Indochina, Malay Peninsula, south China, and East Indies. Australian includes Australia, New Zealand, New Guinea, and East Indies.
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Date Modified: 2022.0224