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Encyclopedia > Tropics
Seasons
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A noontime scene from the Philippines on a day when the Sun is almost directly overhead.
A noontime scene from the Philippines on a day when the Sun is almost directly overhead.

The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the Tropic of Cancer in the northern hemisphere, at approximately 23°30' (23.5°) N latitude, and the Tropic of Capricorn in the southern hemisphere at 23°30' (23.5°) S latitude. This region is also referred to as the tropical zone and the torrid zone. This article or section is in need of attention from an expert on the subject. ... For the usage in virology, see temperate (virology). ... For other uses, see Spring. ... For other uses, see Summer (disambiguation). ... This article is about the temperate season. ... For other uses, see Winter (disambiguation). ... This article or section does not cite any references or sources. ... A wet season or rainy season is a season in which the average rainfall in a region is significantly increased. ... Image File history File linksMetadata Size of this preview: 800 × 548 pixels Full resolution (1280 × 876 pixel, file size: 1. ... Image File history File linksMetadata Size of this preview: 800 × 548 pixels Full resolution (1280 × 876 pixel, file size: 1. ... Sol redirects here. ... This article is about Earth as a planet. ... World map showing the equator in red In tourist areas, the equator is often marked on the sides of roads The equator marked as it crosses Ilhéu das Rolas, in São Tomé and Príncipe. ... This article is about the geographical term. ... For the novel by Henry Miller, see Tropic of Cancer (novel). ... World map showing the Tropic of Capricorn For the novel by Henry Miller, see Tropic of Capricorn (novel). ...


(For the history of the term torrid zone, see geographical zone and page of discussion of this article) The torrid zone The temperate zones The frigid zones Each of the five main latitude regions of the earths surface is said to be a geographical zone, divided by the major circles of latitude. ...

World map with the tropics highlighted in red
World map with the tropics highlighted in red

This area includes all the areas of the Earth where the sun reaches a point directly overhead at least once during the solar year. (In the temperate zones, north of the Tropic of Cancer and south of the Tropic of Capricorn, the sun never reaches an angle of 90° or directly overhead.) The word "tropics" comes from Greek tropos meaning "turn", because the apparent position of the Sun oscillates between the two tropics with a period that defines the average length of a year. Image File history File links No higher resolution available. ... Image File history File links No higher resolution available. ... In geography, temperate latitudes of the globe lie between the tropics and the polar circles. ... A year (from Old English gÄ“r) is the time between two recurrences of an event related to the orbit of the Earth around the Sun. ...


Tropical plants and animals are those species native to the tropics. Tropical is also sometimes used in a general sense for a tropical climate, a climate that is warm to hot and moist year-round, often with the sense of lush vegetation. However, there are places in the tropics that are anything but "tropical" in this sense, with even alpine tundra and snow-capped peaks, including Mauna Kea, Mt. Kilimanjaro, and the Andes as far south as the northernmost parts of Chile and Argentina. Places in the tropics which are drier with low humidity but extreme heat are such as the Sahara Desert and Central Africa and Northern Australian Outback. Naples beach in Florida lined with coconut trees is an example of a tropical climate. ... In physical geography, tundra is an area where tree growth is hindered by low temperatures and short growing seasons. ... Mauna Kea is a dormant volcano in the Hawaiian Islands, one of five volcanoes which together form the island of Hawaii. ... For other uses, see Kilimanjaro (disambiguation). ... This article is about the mountain system in South America. ... For other uses, see Sahara (disambiguation). ...


Tropical ecosystems

Tropical ecosystems may consist of rainforests, dry deciduous forests, spiny forests, desert and other habitat types. There are often significant areas of biodiversity, and species endemism present particularly in rainforests and dry deciduous forests. Some examples of important biodiversity and/or high endicism ecosystems are: Costa Rican and Nicaraguan rainforests, Madagascar dry deciduous forests, Waterberg Biosphere of South Africa and eastern Madagascar rainforests. Often the soils of tropical forests are low in nutrient content making them quite vulnerable to slash-and-burn techniques, which are sometimes an element of shifting cultivation agricultural systems. A rainforest is a forested biome with high annual rainfall. ... This article is about arid terrain. ... Rainforests are among the most biodiverse ecosystems on earth Biodiversity is the variation of taxonomic life forms within a given ecosystem, biome or for the entire Earth. ... Endemic, in a broad sense, can mean belonging or native to, characteristic of, or prevalent in a particular geography, race, field, area, or environment; Native to an area or scope. ... The Daintree Rainforest in Queensland, Australia. ... Aerial photo of a portion of the Anjajavy Forest, inset by a swath of mangrove riparian forest. ... River gorge in the Lapalala Wilderness, Waterberg, South Africa, showing horizontal sandstone layering. ... A nutrient is either a chemical element or compound used in an organisms metabolism or physiology. ... This article is about the agricultural practice of slash and burn. ... Shifting cultivation is an agricultural system in which plots of land are cultivated temporarily, then abandoned. ...


In biogeography, the tropics are divided into paleotropics (Africa, Asia and Australia) and neotropics (Central and South America). Together, they are sometimes referred to as the pantropics. The neotropic region should not be confused with the ecozone of the same name; in the Old World, this is unambiguous as the paleotropics correspond to the Afrotropical, Indomalayan, and partly the Australasian and Oceanic ecozones. Biogeography is the science which deals with patterns of species distribution and the processes that result in such patterns. ... A biogeographic region, that extends from Mexico southwards to Tierra del Fuego, and also includes the Caribbean islands. ... An ecozone or biogeographic realm is the largest scale biogeographic division of the earths surface based on the historic and evolutionary distribution patterns of plants and animals. ...


See also


  Results from FactBites:
 
The Tropics Hotel and Hostel (76 words)
And all that action is going on in South Beach.
So if you come to Miami - stay in South Beach at the Tropics Hotel and Hostel.
Because it is right in the center of everything, has clean, newly renovated rooms and an olympic size swimming pool.
tropics. The Columbia Encyclopedia, Sixth Edition. 2001-05 (438 words)
231/2°N and the Tropic of Capricorn at lat.
Since the entire tropical zone receives the rays of the sun more directly than areas in higher latitudes, the average annual temperature of the tropics is higher and the seasonal change of temperature is less than in other zones.
Such population growth has led to deforestation of the tropical forest, which is thought to contribute to the greenhouse effect and global warming, and to the elimination of numerous unique species.
  More results at FactBites »

 
 

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