Vocab 1 | Vocab 2 | Random | Random | Random |
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What are Ergs?
great seas of sand with tall sand dunes
>wadi >erg >reg |
marginal land
land that is not well suited for growing crops
>marginal land >pastoral nomads >trade winds |
Sahel is semiarid, Sahara is arid
What is a major difference between the Sahara and the Sahel?
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A wall or hedge that stops wind currents to protect crops and stop sand from blowing
What is a windbreak?
|
can go long time without food or water
Why are camels used for travel in the desert?
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reg
gravel covered plains
>erg >reg >hammada |
desertification
the process which land becomes more and more dry until it turns into desert. caused by climate change, human activites, or both
>marginal land >trade winds >desertification |
low spots, natural, by humans by digging wells
Know the different ways an oasis can be formed:
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semiarid, arid
The climate of the Sahel is ___ and the climate of the Sahara is ___
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mud breaks
What are homes at an oasis made out of?
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hammada
high rock covered flat land
>hammada >wadi >oasis |
drought
long periods without water
>Sahel >drought >trade winds |
to find food, water, crops, and pasture
Why do pastoral nomads move around?
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Northern Africa
Know the location of the Sahara
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to stop desertification
Why are farmers in the Sahel trying to cook with coal instead of wood?
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oasis
isolated spot where water is found in a desert
>erg >oasis >marginal land |
trade winds
towards the equator, picking up moisture
>Sahel >drought >trade winds |
You can eat the fruit, it's trunk and leaves are used for building, it's bark is used for rope, and it's seeds are used for fuel and animal food
Why are date palms so important to life in the Sahara?
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have small waxy leaves, sprouting after rainfall, having deep roots
Know how plants have adapted to life in the desert
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Wearing loose clothing so the wind can flow through and you stay cool, farmers shift agriculture, cook with coal instead of wood, planting plants other than cash crops
4 adaptations that people use to adapt to survive in a desert
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pastoral nomads
groups of herders that move with their animals from place to place in search of pasture and water
>oasis >pastoral nomads >marginal land |
Sahel
semiarid grassland along the southern border of the Sahara desert, which often experiences drought
>Sahara >Sahel >*insert Austrailian accent here*the nile river |
cash crops, increase in herd sizes, deforestation
What causes desertification?
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pastoral nomads who move around desert using camels to sell goods
Who are the Turaeg people?
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decrease herd sizes, use crop rotation
how farmers decrease desertification in the Sahara
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