Hot deserts Flashcards
1
Q
They are located
A
30 degrees north and south
2
Q
They are both
A
Hot and cold
3
Q
They all get a rainfall amount of
A
250 mm a year
4
Q
Characteristics
A
Very low rainfall, extreme temperature range, soils are sandy and stoney, soils are saline, a wide diversity of plants animals and birds
5
Q
Desertification is …
A
The process of the desert spreading
6
Q
Desertification causes
A
Climate change, soil erosion, salinisation, overgrazing, over cultivation, fuelwood
7
Q
Areas at risk of desertification need to be
A
Managed sustainably
8
Q
How to manage desertification
A
Water and soil management, ponding banks, contour traps, national park states, tree planting