Koryak lands are mountains and volcanic, covered in mostly Arctic tundra. The muskox is confined to the arctic tundra. There is much wilderness, including extensive arctic tundra. The mountain ranges have subarctic and tundra climates. This was a trip across North Asia and the Arctic Tundra. Summer Forest, Autumn Plains, and Winter Tundra. Below the tundra is the vast taiga forest region. Magadan Oblast consists principally of mountainous desert, tundra, and taiga. Extreme winter minimums in the northern taiga are typically lower than those of the tundra. The park has numerous ecosystems ranging from prairie to tundra. Forests return to areas that once supported tundra vegetation. It was unearthed from a glacial moraine in the northern tundra. The boundary between tundra and moorland constantly shifts with climatic change. The land is generally flat tundra and wetlands. Chevrolet Silverado/Toyota Tundra for Reaume Brothers Racing.