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the summer green forests in tempered areas under humid ocean conditions. Trees in the community only grow during the warmer months, and leaves fall off before winter. The dominant tree species have deciduous trees of shell dojo, such as beech genus, genus, genus chestnuts, genus of eucalyptus, etc. The community structure is obvious, which is divided into trees, shrubs, herbs and ground. Widely distributed, mainly in the central and eastern parts of North America, Europe and China's tempered coastal areas. Our country's deciduous broad-leaved forests are only left in the mountains, and the forest land on the plains and low hills is mostly cultivated into farmland. Common deciduous fruit trees have pears, apples, peaches, apricots, persimmons, chestnuts, dates and so on. There are often conifery mixed forests between the summer green forest and the northern leaf forest, which is the transition type of both. There is this mixed forest between the north and south slopes of Changbai Mountain in northeast China, conifer trees are mainly red pine and white pine, broad-leaved trees have purple eucalyptus, big green poplar, black grasshoem and so on, ginseng is also produced in this community.
