Alaska Ecoregions 118.
Most slopes are barren of vegetation.
Dwarf scrub tundra communities, consisting of mats of low shrubs, forbs, grasses, and lichens, predominate where vegetation does occur. The climate has harsh winters and short summers. Climate Climate is primarily affected by continental influences. The only weather station within the region is located at McCarthy. The average number of frost free days each year is somewhat less than two months.