Category
page 1Palearctic realm

Sahara
The Sahara (, ) is a desert spanning North Africa. With an area of , it is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.

tundra
In physical geography, a tundra () is a type of biome where tree growth is hindered by frigid temperatures and short growing seasons. There are three regions and associated types of tundra: Arctic, Alpine, and Antarctic.
Mediterranean Basin
loosely defined region of lands around the Mediterranean Sea
Palearctic realm
largest of the Earth's eight biogeographic realms
Mountains of Southwest China
biodiversity hotspot designated by Conservation International which includes several temperate coniferous forests in southwestern China
Western Palaearctic
section of the Palearctic biogeographic realm