Desert

Deserts are biomes mostly devoid of precipitation. They can be any temperature, and usually have a very interesting topography. These biomes sometimes get all of their precipitation at once, triggering flash floods. Most of these biomes are at a succession stage of 1. The list of desert biomes is unfinished.

Dune Desert

Occurs: very dry areas, usually in the center of a continent
Resources: none
Elevation: from -100(not below water) to +3000 m
Climate: very little rain, frequent dust storms
Topography: shifting dunes, with occasional rocky outcrops or plateaus
Biodiversity: 1
Autotroph niches: tiny to small
Heterotroph niches: tiny to midsize (very rare) herbivore, tiny to small carnivore
Other: organisms must be extremely efficient in their handling of water. Life is driven by the search for water, many animals are nomadic.