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Tropical Savannas: Wikis


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Terrestrial biomes
Taiga/boreal forests
Montane grasslands and shrublands
Temperate coniferous forests
Tropical and subtropical coniferous forests
Temperate broadleaf and mixed forests
Mediterranean forests, woodlands, and scrub
Tropical and subtropical moist broadleaf forests
Tropical and subtropical dry broadleaf forests
Temperate grasslands, savannas, and shrublands
Tropical and subtropical grasslands, savannas, and shrublands
Deserts and xeric shrublands
Flooded grasslands and savannas
Aquatic biomes
Littoral/intertidal zone
Mangrove forests
Kelp forest
Coral reef
Neritic zone
Continental shelf
Pelagic zone
Benthic zone
Hydrothermal vents
Cold seeps
Pack ice
Other biomes
Endolithic zone

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 450 and 1500 millimeters (20 to 60 inches) a year , and can be highly seasonal, with the entire year's rainfall sometimes occurring within a couple of weeks. Tropical and subtropical grasslands, savannas, and shrublands occur on all continents but Antarctica. They are widespread on Africa, and are also found all throughout South Asia, 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 300 and 1500 millimetres 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

Afrotropic Tropical and subtropical grasslands, savannas, and shrublands
Angolan Miombo woodlands Angola
Angolan Mopane woodlands Angola, Namibia
Ascension scrub and grasslands Ascension Island
Central Zambezian Miombo woodlands Angola, Burundi, Democratic Republic of the Congo, Malawi, Tanzania, Zambia
East Sudanian savanna Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Eritrea, Ethiopia Sudan, Uganda
Eastern Miombo woodlands Mozambique, Tanzania
Guinean forest-savanna mosaic Benin, Burkina Faso, Cameroon, Gambia, Ghana, Guinea, Guinea Bissau, Côte d'Ivoire, Nigeria, Senegal, Togo
Itigi-Sumbu thicket Tanzania, Zambia
Kalahari Acacia-Baikiaea woodlands Botswana, Namibia, South Africa, Zimbabwe
Mandara Plateau mosaic Cameroon, Nigeria
Northern Acacia-Commiphora bushlands and thickets Ethiopia, Kenya, Sudan, Uganda
Northern Congolian forest-savanna mosaic Cameroon, Central African Republic, Democratic Republic of the Congo, Sudan, Uganda
Sahel Burkina Faso, Cameroon, Chad, Eritrea, Ethiopia, Mali, Mauritania, Niger, Nigeria, Senegal, Sudan
Serengeti Kenya, Tanzania
Somali Acacia-Commiphora bushlands and thickets Eritrea, Ethiopia, Kenya, Somalia, Sudan
Southern Acacia-Commiphora bushlands and thickets Kenya, Tanzania
Southern Africa bushveld Botswana, South Africa, Zimbabwe
Southern Congolian forest-savanna mosaic Angola, Democratic Republic of the Congo
Southern Miombo woodlands Malawi, Mozambique, Zambia, Zimbabwe
Sudan grass-belt southern Senegal, southern Mali, Guinea, northern Cote d'Ivoire, Burkina Faso, northern Ghana, northern Benin, northern Togo, central Nigeria, northern Cameroon, southern Chad, southern Sudan, western Ethiopia
Saint Helena scrub and woodlands Saint Helena
Victoria Basin forest-savanna mosaic Burundi, Kenya, Rwanda, Tanzania, Uganda
West Sudanian savanna Benin, Burkina Faso, Gambia, Ghana, Guinea, Côte d'Ivoire, Niger, Nigeria, Senegal
Western Congolian forest-savanna mosaic Angola, Democratic Republic of the Congo, Republic of the Congo
Western Zambezian grasslands Angola, Zambia
Zambezian and Mopane woodlands Botswana, Malawi, Mozambique, Namibia, South Africa, Swaziland, Zambia, Zimbabwe
Zambezian Baikiaea woodlands Angola, Botswana, Namibia, Zambia, Zimbabwe
Australasia Tropical and subtropical grasslands, savannas, and shrublands
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
IndoPacific Tropical and subtropical grasslands, savannas, and shrublands
Terai-Duar savanna and grasslands Bhutan, India, Nepal, Philippines
Nearctic Tropical and subtropical grasslands, savannas, and shrublands
Pre-Columbian savannas of North America (greatly declined) Canada,United States
Eastern savannas of the United States (greatly declined) United States
Central Hardwood Region (greatly declined) United States
Western Gulf coastal grasslands Mexico, United States
Neotropic Tropical and subtropical grasslands, savannas, and shrublands
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
Córdoba 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
Hawaiian tropical high shrublands Hawaiʻi
Hawaiian tropical low shrublands Hawaiʻi
Northwestern Hawaii scrub Hawaiʻi

See also

External links



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