hot deserts Flashcards

(8 cards)

1
Q

where are hot deserts found?

A

mostly found in a belt between approximately 30 degrees north and 30 degrees south of the equator

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2
Q

aridity

A

primary characteristic is its dryness
have a total

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3
Q

plants adaptation:

A

Plant roots may be extremely long to reach deep water supplies

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4
Q

why do deserts have really low rainfall?

A

high atmospheric pressure
sinking air prevents the formation of clouds and rain

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5
Q

climate and vegetation

A

deserts get low amounts of rainfall so plants like cacti have adapted

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6
Q

causes of desertfication

A

over-cultivation
over grazing
demand for fuelwood
these all result in soil erosion

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7
Q

water management in that desert

A

collecting rainwater
drip irrigation
helps crops to grow without overusing lots of water
soil salinisations and degradation decreased

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8
Q

soil management

A

rows of trees or shrubs are planted as wind breaks

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