Animals that live in the arctic tundra include caribou, arctic hares, and polar bears. ... The main difference between the two tundra is why each is cold. Thealpine tundra is coldbecause it is so high above Earth's surface. The alpine tundra has no trees. What are 3 types of tundra?
The natural precipitation and occult precipitation (e.g., nucleation droplets and fog droplets) are two different sources for plant water collection [30], of which natural precipitation is the main source [31]. Although the water amount of natural precipitation is large, the duration is often ...