Animals. Climate. Deciduous Forest Biomes. The northeast Asian deciduous forest biome is located on the continent of Asia at about 30Â° to 45Â° North latitude, and about 130Â° to 145Â° East longitude. The biome covers parts of Korea, China, Russia, and Japan. In one part of China it is known as the Northeast China Plain deciduous forest, and in another part of China near the plain it is known as the Manchurian mixed forest. The part located in Korea is also known as the Central Korean deciduous forest.