Peculiarities of Migration of Some Biogenic Elements in System Soil-Infiltration Waters in the Aragats Mountain Massif (Armenia)

摘要

This article considers water-migration changes of some biogenic elements in system soil-infiltration waters and the role of organic matter during biogenic elements leaching into high mountain ecosystems. The researches covered alpine (3250 m a.s.l.) and meadow steppe (2085 m a.s.l.) belts of the Aragats mountain massif. To study a water migration flow of biogenic elements, a study was done of peculiarities of their migration in system atmospheric precipitation-soil-infiltration waters. The research was done employing a lysimetric method which provides information about soil infiltration rate, chemical composition, and migration of soil water elements. The research allowed to reveal high contents of biogenic elements in the studied compartments of meadow steppe belt. As indicated, migration intensity of the studied elements and rates of soil biomineralization in meadow steppe versus alpine belt are higher as in cold high mountainous conditions mineralization and humification rates of elements are comparatively lower. Consequently, this phenomenon brings about an increase in the contents of the study of biogenic elements and acceleration of their removal with infiltration runoff. Collation between main migration flows of biogenic elements beginning from their entering (atmospheric precipitation) to leaching into groundwater flow allows to conclude that the highest transformation of a migration flow of elements in the ecosystem of the Aragats mountain massif occurs in meadow steppe belt.