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Savana
Savana
Savana
Savana
Savana
Savana
Savana
Savana
Savana
Savana
Savana
Savana
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  • 1.  
  • 2. <ul><li>Savana - forma ţiune ierboasă cu specii vegetale xerofile care ajung la câţiva metri;unde ploile sunt frecvente sunt prezenţi arbori: baobabi,accacii,palmieri in Africa,eucalipt in Australia </li></ul><ul><li>Răspândire:5-15 grade lat.N si S </li></ul><ul><li>-America de Sud:Brazilia-campo-cerrado si caatinga(tufişuri spinoase xerofite)şi Venezuela-lianos; </li></ul><ul><li>-Australia-scrub </li></ul><ul><li>-Africa intertropicala </li></ul><ul><li>-in lungul râurilor mari apar păduri galerii </li></ul><ul><li>animale:ierbivore :antilope gnu,impala,zebre ,girafe (Africa),elefanţi,rinoceri(Asia,Africa)carnivore:lei,leoparzi,gheparzi,hiene,şacali(Africa),păsări: struţ-Africa, nandu-Am.de sud,emu in Australia </li></ul><ul><li>Factorii geoecologici: </li></ul><ul><li>-Climat cu 2 sezoane,ploios si secetos,temperaturi 20-28 grade,precipitaţii500-1000mm anual,soluri roşii de savană relativ fertile </li></ul><ul><li>Au loc frecvent incendii (de brusă)datorita temperaturilor ridicate,dar vegetaţia se reface rapid </li></ul>
  • 3. Harta zonelor biopedoclimatice
  • 4. Sol rosu de savana
  • 5. baobabul Africa
  • 6. termite
  • 7. Campos cerrados-Brazilia
  • 8. Animale in savana africana
  • 9. Animale din savanele sud americane
  • 10. Animale carnivore
  • 11. Animale din savana Australiei Ciinele dingo
  • 12. <ul><li>Bibliografie </li></ul><ul><li>I nternet </li></ul><ul><li>M anual geografie ed.Humanitas şi </li></ul><ul><li>Niculescu </li></ul>

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