Biomes- Desert. Deals with types of deserts on earth. Adaptations of different flora and fauna to dry conditions of deserts.

1. DESERT BIOME
By: Aleena Elizabeth Cyril
By: Aleena Elizabeth Cyril

2.  Arid land
 Rainfall less than 25 cm annually
 Evaoration rates are higher than precipitation
rate
 Hot days & cold nights
 Diff types of deserts: •Hot deserts
•Cold deserts
• Low rainfall deserts
• Low nutrient deserts
• Salt deserts
•Toxic desertsBy: Aleena ElizabethCyril

3. Hot Deserts of the World
By: Aleena Elizabeth Cyril

4.  Dunes
 Oasis
 Mirage
By: Aleena Elizabeth Cyril

5. Cold Deserts
By: Aleena Elizabeth Cyril

6.  caused by either remoteness from the coast, which
results in low atmospheric humidity from a lack of
onshore winds,
 or the presence of high mountains separating the
desert from the coast
 The Gobi is a cold desert, with frost and occasionally
snow occurring on its dunes.
By: Aleena Elizabeth Cyril

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8. Low rainfall deserts : Atacama Desert
By: Aleena Elizabeth Cyril

9. Atacama Desert
 driest nonpolar place in the world
 Mars like conditions
By: Aleena Elizabeth Cyril

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13. Low nutrient Deserts: North American Deserts
By: Aleena Elizabeth Cyril

14.  Desert soils are immature with weakly developed
profiles;
 dry for most of the year;
 contain little organic material and are poor in N
and P;
 are saline, with the exception of sands;
 rich in inorganic ions such as carbonates and
gypsum, which form lime and gypsum hardpans or
crusts;
 are alkaline. By: Aleena Elizabeth Cyril

15. Deserts due to Toxic Conditions:
Danakil Desert
 characterized by volcanic and tectonic activity
By: Aleena Elizabeth Cyril

16. Deserts due to Toxic Conditions:
Danakil Desert
 characterized by volcanic and tectonic activity
By: Aleena Elizabeth Cyril

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20. Moloch
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21. Phrynosoma
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22. Phrynocephalus
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24.  Plants called xerophytes
 phreatophytes have long roots
By: Aleena Elizabeth Cyril

25.  The only continent that does not have a
desert is Europe.
 The Sahara desert in North Africa is the
largest desert
By: Aleena ElizabethCyril

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