Anthropogenic influences on the hydrological network in the lower part of the Kolubara River have been notably intensive since 1959, when huge river regulation works were constructed to open new mining fields for lignite exploitation. From that moment, the Kolubara River flowed through the Pestan's riverbed (its right tributary), and the bank erosion became stronger, resulting in the lateral migration of the river course on one hand and land loss, land use changes, and economic consequences on the other hand. The economic effects caused by bank erosion were analysed both via the loss of land and the reduction in the volume of agricultural production. In the period 1967-2010, bank erosion caused a land loss of 67.3 ha, including 39.6 ha of arable land. The total value of the land loss by 2010 was 80,560 USD, and the total loss in agricultural production was 634,240 USD (1982=100). The second aim of this study was to investigate the costs and benefits of bank protection using the method of bank revetment construction at the moment bank erosion became more intense and during the latest phases. The results of this research suggest that any delay in the investment in Kolubara River bank protection could be adverse. If the bank revetment along the endangered river banks was built in 1967, all investments would have been recovered through income from agricultural production and selling the lost land by 2010. The results should provide information for river engineering, environmental planners and policy makers who must deal with decisions regarding planning and the protection of bank erosion.
According to new field investigations as well as mapping of erosion in Ljig river basin we have found out that its intensity has changed in regard to period of 40 years ago. The most expressive changes were noticed in Ljig river basin. As we have not noticed changes in physical-geographical factors the cause of the intensity decrease might be only influenced by indirect anthropogenic factor. Processes of growing old and decrease of rural population, migration village-town, marginalization of agriculture and decrease of cattle reserves caused the changes of land utilization. Agriculture areas were becoming overgrown with growing wild vegetation which restrained gradually considerable expressed processes of erosion in the past
Prema kosovsko-metohijskom problemu postoje različiti stavovi – dok za arbanaški činilac nema dileme o tzv. kosovskoj nezavisnosti kojoj nedostaje samo priznanje zvaničnog Beograda i članstvo u UN, u srpskom društvu saglasje o Pokrajini kao neupitnom delu Srbije ne postoji. Srpska politička nomenklatura, građanistički i prozapadno orijentisane stranke, organizacije i uticajni pojedinci su za brzo rešenje po cenu gubitka cele ili dela kosovsko-metohijske teritorije. S druge strane, nacionalno profilisana elita, Srpska pravoslavna crkva i velika većina naroda su za očuvanje Ustavom i Rezolucijom 1244 SBUN definisane celovitosti Srbije, tj. za taktičko odlaganje odluke do (još) povoljnijih međunarodnih prilika. U radu se analiziraju posledice prve i druge opcije i ističe se da bi Srbija eventualnim gubitkom Kosova i Metohije postala višedimenzionalno oštećena, invalidna država. Budući da se na globalnom planu odnosi menjaju u srpsku korist, autor ističe prednosti aktivnog zamrznutog konflikta kao trenutno jedinog efikasnog načina da se sačuvaju stanovništvo, teritorijalni integritet, neprocenjivi prirodni resursi, identitetski reperi, geopolitičke prednosti, međunarodni kredibilitet zemlje i naroda.
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