Abiotic Factors


  • Lightning Fires
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Annual fires maintain the area in a savanna caused naturally or by lightning.


  • Pollution in the air water and the land
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During fire season, a thick pall of smoke chokes the southern Africa skies for weeks each year.



  • High temperatures
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The savanna climate has a temperature range of 68° to 86° F.



  • Drought
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Seasonal droughts are very common in the Savanna biome.



  • Porous soils
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The soil of the savanna is porous because it drains the water especially during the wet seasons.



  • Rainfall
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Savannas are always found in warm or hot climates where the annual rainfall is from about 50.8 to 127 cm (20-50 inches) per year.








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