Abstract
The data on forests shown in this paper which are general useful functions determine the main way of managing, because these forests are marked as water protective and especially significant for the water supply of the Vrnjacka Banja area from 1985. These are forests of beech and beech mixed with fir of the highest quality located in the river Zagrza basin on mountain Goc and they represent more than 85 % of the basin and provide the hydrological and water protective functions at the highest level. For that reason, they have a special protective status. In the river Zagrza basin, there is the management unit "Seliste" of particular importance and the accumulation Seliste was built there with about 380 000 m3 volume and its primary task is water supply of the Vrnjacka Banja area during critical months without water. The aim of this scientific paper is to emphasize the need of increasing and protecting the water potential using adequate ways of forest vegetation management, which means overall basin organization. The final result should be related to the optimal use of natural sources in that area.
Highlights
Because of its deficiency, from the strategic point of view water has become one of the most important sources
Basin of the river Zagrza is mainly covered with forest vegetation with a forest cover of about 85 %
Apart from big forest communities next to the river Zagrza basin, there are basis for erosion processes that are concentrated in non-forest cover on steep paths, on roads and river net as well
Summary
From the strategic point of view water has become one of the most important sources. The problem of low water quantity is very serious, especially because of global warming which causes increased water use. Besides the emphasized needs for water that are caused by climate factors, there is a pronounced problem of water contamination, of water on the ground, and of underground water. The hydrological function of forest ecosystem is one of the crucial ones together with the water protective and anti-erosion function and its importance has become greater in the 21-st century, because of the lack of needed quantity of high quality water. The impact of vegetation on the water running regime and ground water quality is very significant for useful water yield from forest ecosystems that dominate in hilly and mountainous conditions in Serbia. Determining of the water potential of these areas is the subject of numerous researches, so, for example, in the river Zagrža
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