Abstract
The paper deals with Botegrad valley soil cover, properties, conditions and vegetation. The soil cover in the Botevgrad region is characterized by considerable diversity in the ravine valleys of the Bebresh River and its tributaries. Alluvial and Diluvial soils occur in the middle of the region in lowest parts. Gray forest soils developed in the Pre-Balkans and the northern slopes of the Balkan Mountains and Light Gray forest soils (Pseudopozolic soils) are spread there too. The most fertile soils are Dark gray forest soils but only in limited area. Shallow soils (Lithosols), are widely spread over reddish-brown quaternary materials, characterized by the presence of many skeletal particles. The soil cover on the slopes is eroded, cut by deep ditches, ravines and valleys. Main part of the land in the valley is cultivated. Arable lands for cultivation and pastures are about 68.4%, other 22% are used for mainly for forestry. Settlements, industrial zones and other infrastructure occupy 9% of the valley.
Highlights
The Botevgrad valley is a basin depression in the Western Fore-Balkan, located between the Billo and Murgash Mountains to the south, the Big Mountain to the southwest, and the Rzhana Mountain to the northwest, which are parts of the Western BalkanRange
In the village of Razliv through the low threshold Lopatna, the valley is divided into two parts - in the west by the real Botevgrad valley, and in the east by the small Pravets valley (Photo 1 and Fig.1)
Along the southern periphery of the valley passes the boundary between the Fore- Balkan to the north and the Balkan Mountains to the south
Summary
The Botevgrad valley is a basin depression in the Western Fore-Balkan, located between the Billo and Murgash Mountains to the south, the Big Mountain to the southwest, and the Rzhana Mountain to the northwest, which are parts of the Western BalkanRange. The Botevgrad valley is a basin depression in the Western Fore-Balkan, located between the Billo and Murgash Mountains to the south, the Big Mountain to the southwest, and the Rzhana Mountain to the northwest, which are parts of the Western Balkan. To the north and northwest, the valley rests on the slopes of the mountain ridges Gola Glava and Lakavitsa, parts of the Pre-Balkan. Along the southern periphery of the valley passes the boundary between the Fore- Balkan to the north and the Balkan Mountains to the south. The valley floor lies on 320-420 m of altitude, slightly sloping to the north, filled with alluvial deposits and partially damped in the central part. Large alluvial cones occupy the southern outskirts of the valley rising to the Balkan Mountains. There are 12 settlements in the Botevgrad valley, include 2 cities Botevgrad and Pravets and 10 small villages [1, 2]
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