The biome concept organizes large-scale ecological ... However, there is a lot of variability in desert types, with hot deserts, cold deserts, high elevation deserts, and rain shadow deserts.

This video explores the characteristics of hot desert biomes and how hot deserts are growing as a result of desertification.

The world’s largest hot desert is the Sahara and it’s almost ... This clip is from the series Ecosystems and Biomes. This could be used to introduce students to the ecosystem of the desert ...