Following this survey Matyushkin explored on his own a vast tundra area east of the Kolyma river and collected valuable ethnographic data.
The rare woodland caribou have the most restricted range living at higher altitudes in the subalpine meadows and alpine tundra areas of some of the mountain ranges.
But the oil companies face another problem: what to do about the tundra areas that have been killed by salt water pumped up in drilling.
The tundra areas south of Lake Taymyr are full of smaller lakes and marshes.
Often, some of the 150,000 plus Mulchatna caribou herd migrate onto the eastern tundra areas during the fall and winter.
The less severe winters in tundra areas allow shrubs such as alders to replace moss and lichens.
Their breeding habitat is rocky tundra areas in Alaska and the Yukon.
There are two main seasons, winter and summer, in the polar tundra areas.
We think they come here because it looks like the tundra area they come from.
Sphagnum mosses occur mainly in the Northern Hemisphere in peat bogs, conifer forests and moist tundra areas.