The Arctic Tundra is located in the northern hemisphere. Known for its cold , desert like conditions.The average winter temperature is -34 degrees Celsius, average summer temperature is 3-12 degrees Celsius. The Arctic Tundra has low biotic diversity, simple vegetation structure, limitation of drainage, extremely cold climate, energy and nutrients in the form of dead organic material, and large population oscillations. Soil is formed slowly. There is no deep root systems in the vegetation of the arctic tundra. There are about 1,700 kinds of plants in the arctic and sub arctic, and these include, low shrubs, sedges, reindeer mosses, liverworts, grasses. All of the plants are adapted to sweeping winds and disturbances of the soil. Rainfall may vary in different regions of the arctic.