Winds and rainfall patterns.
the climate is arid
Arid & Semi-Arid
tropical arid regions
Arid
In semi arid regions
A wind system affects a regions climate by something
The vegetation that is not associated with a semiarid or arid climate would be cacti. Cacti are found in warm, dry desert regions.
Arid climates are caused by lack of precipitation, and warm, downward winds. Vegetation is sparse in arid regions and farming can only be done successfully with irrigation.
Deserts are arid and not semiarid. There is no such place as a semiarid desert. Semiarid regions are steppes or grasslands.
Arid and semi-arid regions are distinguished on the basis of their annual precipitation sums and include: # Deserts with an annual precipitation sum
Cacti, certain species of snakes and ants, and scorpions.
Desertification of many places of world especially semi arid regions of Europe