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The term "tropical vegetation" is frequently used in the sense of lush and luxuriant, but not all the vegetation of the areas of the Earth in tropical climates can be defined as such. Despite lush vegetation, often the soils of tropical forests are low in nutrients making them quite vulnerable to slash-and-burn deforestation techniques, which ...
They are home to 40–75% of all species globally, including half of the world's animal and plant species, and two-thirds of all flowering plant species. Their dense insect population and variety of trees and higher plants are notable. Described as the "world's largest pharmacy", over a quarter of natural medicines have been discovered in them.
This is a list of countries and territories of the world according to the total area covered by forests, based on data published by the Food and Agriculture Organization of the United Nations (FAO). In 2010, the world had 3.92 billion hectares (ha) of tree cover, extending over 30% of its land area. [1] [need quotation to verify]
As the Earth's axial tilt changes, [a] so too do the tropical and polar circles. The tropics constitute 39.8% of Earth's surface area [1] and contain 36% of Earth's landmass. [2] As of 2014, the region was home also to 40% of the world's population, and this figure was then projected to reach
This is a list of terrestrial ecoregions as compiled by the World Wildlife Fund (WWF). The WWF identifies terrestrial , freshwater , and marine ecoregions . The terrestrial scheme divides the Earth's land surface into 8 biogeographic realms , containing 867 smaller ecoregions.
However, tropical forests are extensive, making up just under half the world's forests. [3] The tropical domain has the largest proportion of the world's forests (45 percent), followed by the boreal, temperate and subtropical domains. [4] More than 3.6 million hectares of virgin tropical forest was lost in 2018. [5] [6]
One in ten known species in the world lives in the Amazon rainforest. [47] This constitutes the largest collection of living plants and animal species in the world. [48] The region is home to about 2.5 million insect species, [49] tens of thousands of plants, and some 2,000 birds and mammals.
Bolivia has the 13th largest national share of the world's forest cover. [143] As of 2015, its primary forest cover was 36.2 million hectares, the 13th largest national area in the world and representing 2.8% of the worldwide total. [143] Bolivia also has the seventh largest amount of tropical rainforest.