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Flashcards in 4 hot desserts Deck (12)
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1

where is the Sahara located

north africa, countries such as niger, libya, egypt and chad.

2

how little precipitation is required for an area to be classified as a dessert

less than 25cm a year

3

three animal adaptations to the dessert

nocturnal
small to fit in burrows
live in burrows

4

describe the dessert ecosystems

little rainfall
dry
infertile soil
harsh enviroment
lack of plantation

5

three reasons biodiversity is so poor in desserts

high population density by water
dry soil caused by climate change
animals have to migrate large distances to get to water

6

two plant adaptations to the desert

long roots in order to reach water

7

three development opportunities in the sahara

tourism
oil and gas extraction
solar energy

8

three challenges to development in the sahara

lack of water
hard to access
extreme temperatures (40 degrees)

9

what is dessertification

the gradual degradation of land, making it drier and less productive

10

two natural courses of desertification in the sahara

climate change
lack of rainfall

11

two human causes of desertification in the sahara

population growth (more pressure on the already restrained resources)
over use of fertile land

12

three ways desertification can be reduced/managed

water management
soil management
planting more trees