Академическое издательство «Гео»

Keywords: mountain ecosystems, underground plant biomass, zonality, slope aspect, soil profile.



GEOGRAPHY AND NATURAL RESOURCES, 2012, № 4, p. 165-169

Influence of some landscape factors on the underground plant biomass distribution in mountain ecosystems of Armenia

B.Kh. Mezhunts

bagratm@yahoo.com

Presented are the results from investigating the underground biomass of grass associations as an important factor of functional stability of mountain ecosystems. Field investigations were conducted in plant communities of the dry-steppe, meadow-steppe and alpine belts of Armenia at altitudes of 1200–3250 m above the sea level. It is shown that the conditions of vertical belts, the relief and the slope aspect of the mountain landscapes under investigation have influence on accumulation and distribution of underground biomass in the profile of the root layer of soils.

Keywords: mountain ecosystems, underground plant biomass, zonality, slope aspect, soil profile.
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