Mojave and Thar case studies

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Mojave: Use of area for commercial farming?
>Cattle ranches used for over 100 years
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Mojave: How is irrigation used?
>Water for farming comes from groundwater >Lake Mead (Colorado River) >Mojave River >870 litres of water used per person per day, 70% of which is used on lawns
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Mojave: Is there any mineral extraction?
>In the past there have been mines for gold, silver, lead, etc.
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Mojave: Population/retirement migration?
>Rapidly increasing population (6,000 new people per month) due to good weather and low taxes >80% of people living in Sun City are over 65
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Mojave: How is tourism used?
>Las Vegas popular tourist destination >Death Valley popular tourist destination >Grand Canyon popular tourist destination >Tourists attracted by unusual wildlife and geology >Tourists go camping, hiking, horse-riding, off-road driving
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Mojave: Problems faced?
>Rapid population is depleting water resources >Tourism is causing environmental damage >Off-road driving is destroying plants >Hotels using too much water
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Mojave: How are these problems managed?
>Water conservation efforts: paying for lawn removal, xeriscaping >4 National Parks, protecting native species >Designated roads for off-road driving >Some hotels have adopted a "drip irrigation" system to water lawns
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Thar: Use of area for commercial farming?
>Most is subsistence farming >Indira Gandhi Canal has allowed some commercial farming
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Thar: How is irrigation used?
>Water from Indira Gandhi Canal >Still problems with salinisation >Taankas store monsoon rain
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Thar: Is there any mineral extraction?
>Minerals often extracted include gypsum and limestone
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Thar: What is the population like?
>Most densely populated desert in the world >80 people per km^2
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Thar: Is there any tourism in the area?
>Desert safaris >Provides jobs for local people >Camel rides >Tourism increasing
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Thar: Problems faced?
>Population presssure - less land, more water usage, over cultivation and over grazing >Water logging leading to salinisation >Soil erosion due to overgrazing - less plants able to grow, so wind moves sand dunes >Fuel shortages >Damage from tourism
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Thar: How are these problems managed?
>Afforestation - prosopis trees being planted (they make good firewood, good for animal feed, stabilise sand dunes) > Thar Desert National Park protects animals and ecosystems >Tankaas store monsoon rain >Indira Gandhi Canal helps with water problems
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Other cards in this set

Card 2

Front

Mojave: How is irrigation used?

Back

>Water for farming comes from groundwater >Lake Mead (Colorado River) >Mojave River >870 litres of water used per person per day, 70% of which is used on lawns

Card 3

Front

Mojave: Is there any mineral extraction?

Back

Preview of the front of card 3

Card 4

Front

Mojave: Population/retirement migration?

Back

Preview of the front of card 4

Card 5

Front

Mojave: How is tourism used?

Back

Preview of the front of card 5
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