Information about Tropical Savanna
Tropical and subtropical grasslands, savannas, and shrublands are a grassland biome located in semi-arid to semi-humid climate regions of subtropical and tropical latitudes. Grasslands are dominated by grass and other herbaceous plants. Savannas are grasslands with scattered trees. Shrublands are dominated by woody or herbaceous shrubs.
Rainfall in tropical and subtropical grasslands, savannas, and shrublands is between 50 and 150 centimeters (20 to 60 inches) a year , and can be highly seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. Much of the plant life on savannas is adapted to seasonal aridity. Adaptations to the dry climate include herbaceous annuals, which die in the dry season and re-grow from seed each year, and perennial plants which grow long tap roots to reach groundwater, or bulbs to store water.
Tropical and subtropical grasslands, savannas, and shrublands occur on all continents but Antarctica. They are widespread on Africa, and are also found in India, the northern parts of South America and Australia, and the southern United States.
African Savannas occur between forest or woodland regions and grassland regions. The climate varies, with an average temperature of 27°C with peaks of 30°C in April and October, and between 50 and 150 centimetres of rain per year. Flora includes:
Tropical Grasslands are known for its vast amount of grass
South America is a continent of the Americas, situated entirely in the Western Hemisphere and mostly in the Southern Hemisphere. It is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie
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Rainfall in tropical and subtropical grasslands, savannas, and shrublands is between 50 and 150 centimeters (20 to 60 inches) a year , and can be highly seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. Much of the plant life on savannas is adapted to seasonal aridity. Adaptations to the dry climate include herbaceous annuals, which die in the dry season and re-grow from seed each year, and perennial plants which grow long tap roots to reach groundwater, or bulbs to store water.
Tropical and subtropical grasslands, savannas, and shrublands occur on all continents but Antarctica. They are widespread on Africa, and are also found in India, the northern parts of South America and Australia, and the southern United States.
African Savannas occur between forest or woodland regions and grassland regions. The climate varies, with an average temperature of 27°C with peaks of 30°C in April and October, and between 50 and 150 centimetres of rain per year. Flora includes:
- Acacia (Tree)
- Loses leaves in dry season to conserve moisture
- Leafy canopy in rainy season (flattened by winds)
- Baobab (Tree)
- Stores water in trunk
- Thick bark to protect it from fires in dry season
- Long Tap roots to reach underground moisture
- Few leaves to reduce water loss through transpiration
- Grass
- Grow Quickly to 3 or 4 meters in clumps
- Shoots die in dry season leaving only roots
- Low Shrubs
- Drought resistant
- Small
- Thorns not leaves
Tropical and subtropical grasslands, savannas, and shrublands ecoregions
| Australasia Tropical and subtropical grasslands, savannas, and shrublands [ edit ] | |
|---|---|
| Arnhem Land tropical savanna | Australia |
| Brigalow tropical savanna | Australia |
| Cape York tropical savanna | Australia |
| Carpentaria tropical savanna | Australia |
| Einasleigh upland savanna | Australia |
| Kimberly tropical savanna | Australia |
| Mitchell grass downs | Australia |
| Trans Fly savanna and grasslands | Indonesia, Papua New Guinea |
| Victoria Plains tropical savanna | Australia |
| Indomalaya Tropical and subtropical grasslands, savannas, and shrublands [ edit ] | |
|---|---|
| Terai-Duar savanna and grasslands | Bhutan, India, Nepal |
| Nearctic Tropical and subtropical grasslands, savannas, and shrublands [ edit ] | |
|---|---|
| Western Gulf coastal grasslands | Mexico, United States |
| Neotropic Tropical and subtropical grasslands, savannas, and shrublands [ edit ] | |
|---|---|
| Beni savanna | Bolivia |
| Campos Rupestres montane savanna | Brazil |
| Cerrado | Bolivia, Brazil, Paraguay |
| Clipperton Island shrub and grasslands | Clipperton Island is an overseas territory of France |
| Crdoba montane savanna | Argentina |
| Guyanan savanna | Brazil, Guyana, Venezuela |
| Gran Chaco | Argentina, Brazil, Paraguay |
| Llanos | Colombia, Venezuela |
| Uruguayan savanna | Argentina, Brazil, Uruguay |
| Oceania Tropical and subtropical grasslands, savannas, and shrublands [ edit ] | |
|---|---|
| Hawaii tropical high shrublands | Hawaii |
| Hawaii tropical low shrublands | Hawaii |
| Northwestern Hawaii scrub | Hawaii |
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| Ecozones |
| Afrotropic Antarctic Australasia Indomalaya Nearctic Neotropic Oceania Palearctic |
Grasslands are areas where the vegetation is dominated by grasses (Poaceae) and other herbaceous (non-woody) plants (forbs). Grasslands occur naturally on all continents except Antarctica, and in many other areas they have replaced the natural vegetation due to human influence.
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A biome is a major geographical area of ecologically similar communities of plants, animals, and soil organisms, often referred to as ecosystems. Biomes are defined based on factors such as plant structures (such as trees, shrubs, and grasses), leaf types (such as broadleaf and
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A Semi-arid climate or steppe climate generally describes climatic regions that receive low annual rainfall (250-500 mm or 10-20 in). A more precise definition is given by the Köppen climate classification that treats steppe climates (BS) as intermediates between the desert
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Humidity is the amount of water vapor in a sample of air compared to the maximum amount of water vapor the air can hold at any specific temperature. Absolute humidity, relative humidity and specific humidity are different ways to express the water content in a parcel of air.
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Climate is the average and variations of weather over long periods of time. Climate zones can be defined using parameters such as temperature and rainfall.
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The subtropics are the zones of the Earth immediately north and south of the tropic zone, which is bounded by the Tropic of Cancer and the Tropic of Capricorn, at latitude 23.5 ° north and south.
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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.
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equator divides the planet into a Northern Hemisphere and a Southern Hemisphere, and has a latitude of 0. Latitude, usually denoted symbolically by the Greek letter phi, , gives the location of a place on Earth north or south of the equator.
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Grasslands are areas where the vegetation is dominated by grasses (Poaceae) and other herbaceous (non-woody) plants (forbs). Grasslands occur naturally on all continents except Antarctica, and in many other areas they have replaced the natural vegetation due to human influence.
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Grass is a common word that generally describes a monocotyledonous green plant in the family Gramineae (Poaceae). True grasses include most plants grown as grains, for pasture, and for lawns (turf).
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Herbs (IPA: hə(ɹ)b, or əɹb; see pronunciation differences) are seed-bearing plants without woody stems, which die down to the ground after flowering.
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savanna or savannah is a tropical or subtropical woodland ecosystem. Savannas are characterised by the trees being sufficiently small or widely spaced so that the canopy does not close.
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tree is a perennial woody plant. It is sometimes defined as a woody plant that attains diameter of 10 cm (30 cm girth) or more at breast height (130 cm above ground).
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Shrubland is a habitat type dominated by woody shrubs. A shrub is a perennial woody plant that branches at ground level to form several stems. Shrublands form in several different biomes, and may be either a permanent habitat type, stable over time, or a transitional one, caused
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A shrub or bush is a horticultural rather than strictly botanical category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 5-6 m (15-20 ft) tall.
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annual plant is a plant that usually germinates, flowers and dies in one year. True annuals will only live longer than a year if they are prevented from setting seed. Some seedless plants can also be considered annuals even though they do not flower.
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A bulb is an underground vertical shoot that has modified leaves (or thickened leaf bases) that are used as food storage organs by a dormant plant.
A bulb's leaf bases generally do not support leaves, but contain food reserves to enable the plant to survive adverse
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A bulb's leaf bases generally do not support leaves, but contain food reserves to enable the plant to survive adverse
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Africa is the world's second-largest and second most-populous continent, after Asia. At about 30,221,532 km² (11,668,545 sq mi) including adjacent islands, it covers 6% of the Earth's total surface area, and 20.4% of the total land area.
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South America is a continent of the Americas, situated entirely in the Western Hemisphere and mostly in the Southern Hemisphere. It is bordered on the west by the Pacific Ocean and on the north and east by the Atlantic Ocean; North America and the Caribbean Sea lie
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Anthem
Advance Australia Fair [1]
Capital Canberra
Largest city Sydney
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Advance Australia Fair [1]
Capital Canberra
Largest city Sydney
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Motto
"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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"In God We Trust" (since 1956)
"E Pluribus Unum" ("From Many, One"; Latin, traditional)
Anthem
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Acacia
Miller
Species
About 1,300; see List of Acacia species
Acacia is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, first described in Africa by the Swedish botanist Linnaeus in 1773.
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Miller
Species
About 1,300; see List of Acacia species
Acacia is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, first described in Africa by the Swedish botanist Linnaeus in 1773.
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Baobab is the common name of a genus (Adansonia) containing eight species of trees, native to Madagascar (the centre of diversity, with six species), mainland Africa and Australia (one species in each).
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Grass is a common word that generally describes a monocotyledonous green plant in the family Gramineae (Poaceae). True grasses include most plants grown as grains, for pasture, and for lawns (turf).
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- See Sub-Saharan Africa for other aspects.
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Motto
"Virtus Unita Fortior" (Latin)
"Unity Provides Strength"
Anthem
Angola Avante! (Portuguese)
Forward Angola!
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"Virtus Unita Fortior" (Latin)
"Unity Provides Strength"
Anthem
Angola Avante! (Portuguese)
Forward Angola!
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Motto
"Virtus Unita Fortior" (Latin)
"Unity Provides Strength"
Anthem
Angola Avante! (Portuguese)
Forward Angola!
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"Virtus Unita Fortior" (Latin)
"Unity Provides Strength"
Anthem
Angola Avante! (Portuguese)
Forward Angola!
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Motto
"Unity, Liberty, Justice"
Anthem
Namibian Anthem )
[[Human Development Index|HDI]] (2004) [[Image:Red Arrow Down.svg|10px]] 0.626 (medium) ([[List of countries by Human Development Index|125th]])
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"Unity, Liberty, Justice"
Anthem
Namibian Anthem )
[[Human Development Index|HDI]] (2004) [[Image:Red Arrow Down.svg|10px]] 0.626 (medium) ([[List of countries by Human Development Index|125th]])
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