Deserts crossword

Fog appears here which helps hydrate vegetation and wildlife
The largest desert in the world
This takes place in the soil causing it to be dry and saline
These reach far under the surface to get water
The largest desert in Australia
The method plants use to minimise water loss
This desert has snow at certain times of the year
The canal that runs along the Pakistani border
The dry saline sand found in deserts
Roots ____ the sand together
The process of fertile land degrading into unproductive land