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Borneo rainforest. Some tropical forest types are difficult to categorize. While forests in temperate areas are readily categorized on the basis of tree canopy density, such schemes do not work well in tropical forests. [1] There is no single scheme that defines what a forest is, in tropical regions or elsewhere.
Amazon River rain forest in Peru. Tropical rainforests are hot and wet. Mean monthly temperatures exceed 18 °C (64 °F) during all months of the year. [4] Average annual rainfall is no less than 1,680 mm (66 in) and can exceed 10 m (390 in) although it typically lies between 1,750 mm (69 in) and 3,000 mm (120 in). [5]
Tropical seasonal forests, also known as moist deciduous, monsoon or semi-evergreen (mixed) seasonal forests, have a monsoon or wet savannah climates (as in the Köppen climate classification): receiving high overall rainfall with a warm summer wet season and (often) a cooler winter dry season. Some trees in these forests drop some or all of ...
The tropical and subtropical grasslands, savannas, and shrublands are characterized by rainfall levels between 90–150 centimetres (35–59 in) per year. [1] Rainfall can be highly seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. African savannas occur between forest or woodland regions and grassland regions.
Tropical and subtropical coniferous forests are characterized by diverse species of conifers, whose needles are adapted to deal with the variable climatic conditions. [1] Most tropical and subtropical coniferous forest ecoregions are found in the Nearctic and Neotropical realms , from Mexico to Nicaragua and on the Greater Antilles , Bahamas ...
A biogeochemical cycle, or more generally a cycle of matter, [1] is the movement and transformation of chemical elements and compounds between living organisms, the atmosphere, and the Earth's crust.
Tropical species have experienced a longer and less disturbed evolutionary history than species found in other biomes around the world. Therefore, temperate species that initially radiated out of tropical biomes are often nested in the phylogenies of tropical clades. The consistency of tropical environments constitutes species composition with ...
Tropical Forest river. The soils in wet tropical forests are some of the most diverse of any region, and they are the cause for many biological adaptations. There is a combination of highly weathered and leached soils as well as less weathered alluvial soils, categorized as "oxisols" and "ultisols". [13]