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d。Amazon Basin;
The tropical rainforest climate is also known as the "equatorial rainy climate". It is distributed on both sides of the equator between 10° north and south latitudes. The average monthly temperature is between 25 and 28 °C, and the annual precipitation can reach more than 2000 mm.
The seasons are evenly distributed and there are no dry periods. It is mainly found in the Amazon Plain of South America, the Congo Basin and the coast of the Gulf of Guinea in Africa, most of the Malay Archipelago in Asia and the southern part of the Malay Peninsula.
The tropical evergreen rainforest of the Amazon Plain is not only the most extensive, but also the most fully developed and typical, which is due to the geographical location of the Amazon Plain is crossed by the equator, with the Guiana Plateau in the north, the Brazilian Plateau in the south, and the Andes Mountains in the west. It has modern climatic conditions that are particularly conducive to the development of this type, and on the other hand, it is also related to its long history of development and relatively stable natural geographical conditions in the process of formation. The Amazon is the second longest river in the world.
It runs from west to east throughout South America, with a basin of 6 million square kilometers covered with dense jungle. The main stream of the Amazon River, which sometimes overflows and floods thousands of square kilometers of woodland, is the largest river in the world in terms of runoff.
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dAmazon Basin.
There are three major tropics in the world.
The largest area is in the Americas, and the Amazon basin in South America currently preserves an area of 40,000 square kilometres, which is about half of the total tropical rainforest, i.e. about 1 6 of the world's broadleaf forests.
The second largest area is the tropical Asian rainforest (also known as the Malay Archipelago), covering an area of 20,000 square kilometers.
The third largest area is the Congo Basin rainforest in tropical Africa, covering an area of 18,000 square kilometers.
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D1, located in the largest Amazon plain in the world;
2. The terrain is high in the west and low in the east, facing the Atlantic Ocean, and humid air can enter the inland area;
3. In the west is the Andes Mountains, and the moist air forms topographic rain on the eastern slope, with abundant precipitation;
4. In the east, the Guyana Warm Current and the South Equatorial Warm Current pass through, which have the effect of warming and humidifying;
5. The above factors have formed the world's largest tropical rainforest climate zone.
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The three major tropical rainforest areas in the world are: the Indo-Malay rainforest biome, the African rainforest biome, and the American rainforest biome.
1. Indo-Malay rainforest biome.
This group includes all the tropical rainforests of Asia and Oceania. Due to the small rainforest area in Oceania and the large area of rainforest in Southeast Asia, the Indo-Malay rainforest community can also be called the rainforest community of Asia. Asian rainforests are mainly distributed in the Philippine Islands, the Malay Peninsula, the east and west banks of the Indochina Peninsula, the lower reaches of the Ganges River and the Brahmaputra River, the southern part of Sri Lanka and the southern part of China.
It is characterized by the predominance of dipterocarp and the lack of plants with beautiful large flowers and particularly tall palmaceae, but with the famous white vine and orchid epiphytes.
2. African rainforest community.
The African rainforest community is small in size and is mainly found in the Congo Basin, south of the equator to the eastern coast of Madagascar and other islands. African rainforests are relatively poor, but there are a large number of endemic species, among which palm plants are particularly interesting, such as palm, oil coconut, etc. There are many species of Coffea (35 worldwide and 20 in Africa).
However, in West Africa, the neem family is dominant, and leguminous plants also have a certain advantage.
3. American rainforest biome.
The area of this biome is large. Centered on the Amazon River, it extends westward to the lower foothills of the Andas Mountains, to Guyana in the east, to Bolivia and Paraguay in the south, and to southern Mexico and the Antilles in the north. The legume family is the dominant family here, and there are many lianas and epiphytes, as well as bromeliads, cactiaceae, araceae and palmaceae.
Cash crops such as clover rubber, cocoa and coconut are all native here. At the same time, the unique royal lotus grows here, and its leaves can reach meters in diameter.
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The Amazon rainforest, the world's largest forest and tropical rainforest, has dense forests and a wide variety of animals and plants, and is known as the "animal and plant kingdom of the world".
Rainforests occur in the tropics, close to the equator. The abundant rainfall makes the forest grow particularly lushly. Most of the rainforests in the Amazon are located in Brazil.
Abundant rainfall, combined with the melting snow and ice in the Andes, brings a lot of water that floods most of the year. The rainforest is hot and humid almost all year round, with temperatures of around 33°C during the day and 23°C at night. The Amazon rainforest is the largest rainforest in the world, with 7 million square kilometers.
It stretches from the low slopes of the Andes to the Atlantic coast of Brazil. The Amazon rainforest is vital to the health of the world and all living things that live in it. This forest has a great influence on the world's climate, absorbing carbon dioxide, a gas that warms the planet and causes flooding as the polar ice caps melt.
Trees also produce oxygen, which is necessary for human and all animal life. The Amazon rainforest produces 1 10 percent of the world's total oxygen and is known as the "lungs of the planet". This forest area contains 45% of the world's timber reserves, 800 million cubic meters of timber and an economic value of more than $700 billion.
Living species account for 1.5 of the world's total, plant species and birds each account for half of the world's total, and freshwater resources account for 18 per cent of the world's total. There are more than 2,000 species of freshwater fish in the river, which is a treasure trove of precious biological resources for mankind. The wildlife of the Amazon plains is very diverse and abundant.
At the end of the ninth century, according to a British naturalist, there were 14,712 species of animals, of which more than 8,000 were not yet known, and more than 100,000 species of animals and birds are now known, and probably millions more are waiting to be discovered. In an area of the Amazon rainforest, the size of 8,10 houses and gardens, about 60 different species of trees grow. That's 15 times more tree species than can be found in forests of the same size in Europe or North America.
The Amazon ecoregion covers 60% of Brazil's land and has 4 million square kilometers of forests, of which 65% are rainforests. Therefore, the impact of the Amazon basin on the global climate and ecological environment is significant.
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The Amazon Rainforest is located in the Amazon plain of South America, covering an area of 7 million square kilometers. Rainforests cross 8 countries:
Brazil (60% of the forest area), Colombia, Peru, Venezuela, Ecuador, Bolivia, Guyana and Suriname account for half of the world's rainforest area and 20% of the world's forest area, making it the world's largest and most species-rich tropical rainforest. The Amazon rainforest is known as the "lungs of the earth".
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The largest tropical rainforest in the world is the Amazon rainforest located in South Africa, which is mainly in the territory of Brazil and is the lungs of the earth.
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The largest tropical rainforest in the world is the Amazon rainforest.
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The world is so big, there are many places I haven't been to, how can I know that ** is a tropical rainforest. When you have the conditions in the future, you will come to share it with you after you go around the world.
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The largest tropical rainforest area in the world is the Amazon River Basin.
Located in the northern part of South America, the Amazon River is the largest river in the world in terms of flow, basin and tributaries. Since the length of the river is inconclusive, there are many different versions of the length of the Amazon, one of which is the common 6,400 km.
The Amazon River is the second longest river in the world and the world's largest river, with a flow of 10,000 cubic meters per second, which is several times larger than the other three major rivers, the Nile (the largest number in Africa), the Yangtze River (China), and the Mississippi River (United States) combined. It is equivalent to the flow of seven Yangtze rivers, accounting for 20% of the world's river flow. The basin covers an area of 10,000 square kilometers, accounting for 40% of the total area of South America, and the number of tributaries exceeds 10,000.
Geology and landforms
The Amazon River Basin is high in the west and low in the east, high in the south and low in the north, the upstream source is the Andes Mountains and the Pacific coastal alluvial system, with an altitude of more than 3,000 meters, and the Andean alluvium and inland alluvium below 200 meters on both sides of the main stream. To the north is the Guiana Plateau (300,400 metres above sea level) and to the south is the Brazilian Plateau (300,1500 metres above sea level).
The Amazon basin is a large depression that was a sinking abyssal trough before the Cenozoic and later filled with large amounts of sediment. This huge depression in the shape of a skirt in the upper reaches of the Amazon is located between two ancient, not very high, crystalline plateaus. To the north is the rugged Guiana Plateau and to the south is the lower Brazilian Plateau.
In the Pliocene, the Amazon basin was a huge freshwater lake, which at some point in the Pleistocene burst into the Atlantic Ocean, and the great river and its tributaries fell deep into the bottom of the lake in the Pliocene.
The above content reference: Encyclopedia - Amazon River.
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The largest tropical rainforest in the world is the Amazon rainforest.
The Amazon Rain Forest is located in the Amazon basin of South America, covering an area of 7 million square kilometers. Rainforests span eight countries: Brazil (60% of forests), Colombia, Peru, Venezuela, Ecuador, Bolivia, Guyana and Suriname, accounting for half of the world's rainforests and 20% of forests, making it the world's largest and most species-rich tropical rainforest.
The Amazon rainforest is known as the "lungs of the earth". The Amazon RainforestLocated in South America, the Amazon River is the world's widest and largest river. It has abundant water all year round, nourishes 8 million square kilometers of vast land, gives birth to the world's largest tropical rainforest, and is recognized as the most mysterious "kingdom of life" in the world's dregs.
Reasons for the formation of the Amazon rainforest:
1. Located near the equator, it is controlled by the equatorial low pressure zone all year round, and the prevailing updrafts are mostly to the river basin and rainfall.
2. There is a gap on the east side of the Amazon Plain facing the Atlantic Ocean, and the Guiana Plateau is in the north, the Brazilian Plateau in the south, and the Andes Mountains in the west, which is conducive to the moist air flow from the Atlantic Ocean to penetrate inland.
3. The warm current of the south equator warms and humidifies.
4. The southeast and northeast trade winds bring water vapor from the Atlantic.
5. The west side is uplifted by the Andes Mountains, and there is a lot of terrain and rain.
6. The vegetation coverage rate is high, the forest is widely distributed, and the transpiration of the trees is strong, which makes the environment more humid.
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