What are the characteristics of Amazon Plain?

Amazon Plain (English: Amazon Basin) is located in the north of South America, between the Guiana Plateau and the Brazilian Plateau, bordering the Andes in the west and the Atlantic Ocean in the east, covering an area of 5.6 million square kilometers (including more than 2.2 million square kilometers in Brazil, accounting for about13 of the country's territory), ranking the highest in the world. The Amazon plain is densely covered with tropical rainforests, with a wide variety of plants and rich endemic species; There are many kinds of animals, especially arboreal animals. The mineral deposits are mainly oil. The land is vast and sparsely populated, with a total population of about150,000, including10,000 Indians living in dense forests.

Since the 1960s, there have been plans to organize immigrants, develop agriculture and animal husbandry, and develop natural resources, and Amazon highways have been built all over the country. There are many kinds of plants in the Amazon Plain, with endemic species accounting for 1/3. It is estimated that there are about 800 million cubic meters of wood stored near the sea, accounting for 1/5 of the total wood storage in the world. Trees are mainly Myrtaceae, Rutaceae, Meliaceae, Lauraceae and Apocynaceae. It is rich in economic trees such as mahogany, ebony, Lvmu, Brazil fruit, clover gum, milk wood, Brazil cherry fruit, ivory coconut, etc. Brazil cherry fruit tree can grow to 80 meters high, and the oil content of cherry fruit reaches 73%, which is much higher than sesame and peanut. Edible, with high economic value.

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