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Taiga or tayga (/ ˈ t aɪ ɡ ə / TY-gə; Russian: тайга́, IPA:), also known as boreal forest or snow forest, is a biome characterized by coniferous forests consisting mostly of pines, spruces, and larches. The taiga, or boreal forest, is the world's largest land biome. [1]
Deserts and xeric (Ancient Greek ξηρός xērós 'dry') shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. [2] Ecoregions in this habitat type vary greatly in the amount of annual rainfall they receive, usually less than 250 millimetres (10 in) annually except in the margins.
This is a list of the largest deserts in the world by area. It includes all deserts above 50,000 km 2 (19,300 sq mi). Some of Earth 's biggest non-polar deserts
Anthropogenic climate change has the potential to greatly alter the distribution of Earth's biomes. [38] [39] Meaning, biomes around the world could change so much that they would be at risk of becoming new biomes entirely. [40] More specifically, between 54% and 22% of global land area will experience climates that correspond to other biomes.
The terrestrial scheme divides the Earth's land surface into 8 biogeographic realms, containing 867 smaller ecoregions. Each ecoregion is classified into one of 14 major habitat types, or biomes. In 2017 the WWF team revised ecosystem names and boundaries in the Arabian Peninsula, drier African regions, and Southeastern United States. [1]
The Amazon represents over half of the total area of remaining rainforests on Earth, [4] and comprises the largest and most biodiverse tract of tropical rainforest in the world, with an estimated 390 billion individual trees in about 16,000 species. [5]
Global distribution of the temperate deciduous forest biome. Located below the northern boreal forests, [6] temperate deciduous forests make up a significant portion of the land between the Tropic of Cancer (23 °N) and latitudes of 50° North, in addition to areas south of the Tropic of Capricorn (23 °S). [7]
Canada's boreal landscape contains more lakes and rivers than any comparably sized landmass on Earth. It has been estimated that the boreal region contains over 1.5 million lakes with a minimum surface area of 40,000 m 2 (430,000 sq ft) as well as some of Canada's largest lakes. Soft water lakes predominate in central and eastern Canada and ...