Definition of Tropical Rainforest

Tropical rainforests are defined as those rainforests that are present in the areas where there is no dry season. Throughout the year, the average precipitation in these regions remains 60 mm. Due to the high level of precipitation, the condition of the soil is poor as the soluble nutrients are leached out of the soil. Tropical rainforests exhibit great biodiversity.


Much of the life that is present is in the tropical rainforest tends to be found in the trees. More than 50% of the biotic factors are found here. Yet they cover about 3 percent of the Earth’s surface. Amazon’s rainforest is known to be the largest rainforest in the world.

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