Tundra - Encyclopedia.com
2018年5月29日 · Tundra Tundra is the global biome that consists of the treeless regions in the north (Arctic tundra) and high mountains (alpine tundra). The vegetation of tundra is low …
Tundra Soil - Encyclopedia.com
2018年5月8日 · Tundra Soil One of the Great Soil Groups, within suborder 1 of the order Zonal Soils of the 1949 USDA system of soil classification, based originally on the work of V. V. …
Inuit - Encyclopedia.com
2018年5月14日 · Most of the land is flat, barren tundra where only the top few inches of the frozen earth thaw out during the summer months. The majority of Inuit have always lived near the …
Dwarf Tree | Encyclopedia.com
2016年8月24日 · dwarf tree, in horticultural practice, a tree artificially kept to a smaller size than is normal for average members of the species. This is usually accomplished either by limiting its …
Dolgany - Encyclopedia.com
The tundra has willow and arctic birch trees, mosses, lichens, liverworts, and grasses. The forest-tundra zone has large expanses of lichen where reindeer graze, and the entire Khatanga River …
Shrublands - Encyclopedia.com
TUNDRA: A type of ecosystem dominated by lichens, mosses, grasses, and woody plants. It is found at high latitudes (arctic tundra) and high altitudes (alpine tundra). Arctic tundra is …
reindeer moss - Encyclopedia.com
2018年5月9日 · *reindeer moss* The common name for the lichen [1] Cladonia rangiferina and similar species, which form extensively branched podetia [2] up to about 8 cm tall; in C. …
Siberia - Encyclopedia.com
2018年5月14日 · SIBERIA [1] SIBERIA. Siberia [2] occupies a huge territory with a wide variety of climatic conditions and geographic landscapes. Apart from the Russian-speaking Siberians, …
crevasse - Encyclopedia.com
2018年5月8日 · crevasse 1. Deep fissure in the surface of a glacier, caused when tensile stress overcomes the shear strength of ice in the brittle upper few metres. Appropriate tensile …
Russian Far East - Encyclopedia.com
Russian Far East, formerly Soviet Far East, federal district (1989 est. pop. 7,941,000), c.2,400,000 sq mi (6,216,000 sq km), encompassing the entire northeast coast of Asia and …