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03 desert biome
 Deserts are caused by extremely low rainfall over an area.
Evaporation exceeds rainfall.
Evaporation and temperature are both high.
The soil is usually either sand or coarse, and rocky.
Occur in 2 distinct belts between 15-35属 North and south latitude
Soils are course-textured, shallow, rocky or gravely with good
drainage and have no subsurface water.
Vegetation consists mainly of shrubs and small trees of which
the leaves have evolved to retain water.
03 desert biome
 Saudi Arabia is a quadrilateral land
mass, occupying a major part of the
Arabian Peninsula.
 It covers an area of about 2,250,000
sq. km. The vast landscape is
composed of a variety of
habitats such as:
 Mountains, Valleys (Wadis), sandy
and rocky deserts, meadows
(Raudhahs), salt pans (Sabkhahs)
and lava areas (Harrats), etc.
The Great
Nafud, in the
northern part of
the country
with red
stained sands.
The Rub al-
Khali or the
Empty Quarter,
with its extreme
climate, in the
southern and
southeastern
part of the
country.
The previous
deserts are
connected by
an arch-
shaped sand-
body called
Dahna. It is
narrow strip
of desert
03 desert biome
03 desert biome
03 desert biome

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03 desert biome

  • 2. Deserts are caused by extremely low rainfall over an area. Evaporation exceeds rainfall. Evaporation and temperature are both high. The soil is usually either sand or coarse, and rocky. Occur in 2 distinct belts between 15-35属 North and south latitude Soils are course-textured, shallow, rocky or gravely with good drainage and have no subsurface water. Vegetation consists mainly of shrubs and small trees of which the leaves have evolved to retain water.
  • 4. Saudi Arabia is a quadrilateral land mass, occupying a major part of the Arabian Peninsula. It covers an area of about 2,250,000 sq. km. The vast landscape is composed of a variety of habitats such as: Mountains, Valleys (Wadis), sandy and rocky deserts, meadows (Raudhahs), salt pans (Sabkhahs) and lava areas (Harrats), etc.
  • 5. The Great Nafud, in the northern part of the country with red stained sands. The Rub al- Khali or the Empty Quarter, with its extreme climate, in the southern and southeastern part of the country. The previous deserts are connected by an arch- shaped sand- body called Dahna. It is narrow strip of desert