인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
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지원사업
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커뮤니티
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초록·키워드
Ecosystems of Shirvan are exposed to strong anthropogenous influence which amplifies by instability of the climatic conditions accompanied by periodic droughts. The basic anthropogenous factors of biogeocenosis changes are drainage and flooding of territories; agricultural land development, set of agrotechnical actions for increase of soils fertility, cutting down of woods and bushes, building of roads and industrial targets. One of problems which the region faces is desertification problem. It inseparably linked with a soil erosion, salification, chemical pollution and as a whole soil degradation.
The region climate is non-uniform: climate is damp in high-mountainous and middle- mountainous parts, in foothill-hilly -droughty, warm, in low-flat - dry and warm. The mountain zone of area is rich by mineral waters of medical and resort value. The springs rich basically by sulphur and hydrocarbonates are used as a source of medical and potable water. The mountain part is located at height of 700-3000 m over level of sea level.
Soil resources of region differ by variety. Mountain-meadow soils are generated on the alpine and subalpine meadows under wild motley grasses, on 1800-3000m above sea level. Brown mountain-wood soils (600-1800(2000)m above sea level) meet in middle-mountain zone under broad-leaved beechen and hornbeam mezophil forests. Korichnezem wood soils were generated in arid conditions climate (600-1200m above sea level). Mountain chernozems settle down on 550-800m and 1200-1500m above sea level. Distribution to a wood zone of mountain chernozems in the form of a relief plateau confirms their wood origin. C ... 전체 초록 보기
본문·목차
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