Earth is 70% covered
by water and
remaining part is
covered by land. 1/5th
of the earth’s land is
covered with deserts.
Every continent on this
earth has a desert and
every desert has its
own ecosystem which
is known as Desert
ecosystem.
Desert ecosystems are Desert Ecosystem
dry environments with
scarce vegetation, harsh
temperatures, and
precipitation of fewer
than 10 inches a year.
The humidity in the
atmosphere is very low,
so the temperatures are
not regulated. Deserts
can be hot and arid or
extremely cold.
Characteristics of Desert Ecosystem
•Aridity
•Less rainful/precipitation
• Extreme temperature
• high velocity of wind
•Scarcity of water
•Low humidity
•Relatively low quality of the soil
•Plants grow very slowly
TYPES OF DESERT ECOSYSTEM
Desert ecosystems do not exist only in hot
and dry areas of the earth. You can a
find a desert ecosystem in a tropical,
arid, and even in extremely cold
locations.
TYPES OF DESERT ECOSYSTEM
Hot and Dry Desert Ecosystem
•These kinds of the
desert ecosystem have
hot and dry climatic
conditions through the
air and have very low
annual rainfall.
•There are extreme
variations in
temperature and soil is
rough and harsh.
Atacama Desert in South
Sahara Desert in Africa
America
•This desert ecosystem
is quite similar to the
Semi-arid Desert Ecosystem
Hot and Dry desert
ecosystem. This kind of
ecosystem has hard
rocks, stable ground,
less sand dunes.
• Temperature is not as
extreme as a hot and
dry desert ecosystem.
Black Sagebrush in Utah Great Basin in Nevada
•Such desert Coastal Desert Ecosystem
ecosystems are
found near the
coastal lines of big
water bodies like
oceans and seas
and are generally
affected by the
ocean currents.
Namib Desert in Africa Atacama Desert in Chile
•This desert ecosystem Cold Desert Ecosystem
comprises of abundant
rainfall throughout the
winters and less in
summers and generally
has chilling winters
with snowfall.
• The summers are
short, moderately hot
and moist here.
Gobi desert in Southern
Taklamakan Desert in China
Mongolia
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