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EVALUATIONS OF BIOTECHNICAL CONSOLIDATIONS OF SLOPES GULLIES IN OPOKA DUŻA (LUBLIN UPLAND)
 
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Uniwersytet Przyrodniczy w Lublinie, Katedra Inżynierii Kształtowania Środowiska i Geodezji, ul. Leszczyńskiego 7, 20-069 Lublin
CORRESPONDING AUTHOR
Andrzej Mazur   

Uniwersytet Przyrodniczy w Lublinie, Katedra Inżynierii Kształtowania Środowiska i Geodezji, ul. Leszczyńskiego 7, 20-069 Lublin
Publication date: 2017-10-01
 
Inż. Ekolog. 2017; 5:147–156
 
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ABSTRACT
The studies were carried out in consolidated gullies in Opoka Duża, an anti-erosion biotechnical structure created in 1962-1964. On the basis of the studies it can be stated that the applied gullies buildings appeared to be efficient. Gullies did not deepen and did not increase its dimensions, whereas the Sanna river bed did not require expensive dredging. Accumulation of soil material is mainly observed at the bottoms of the gullies. In 51 years, about 4000 m3 of material accumulated at the bottoms. Hydrotechnical structures efficiently strengthened the erosion thresholds and bottoms of gullies against linear erosion and contributed to the inhibition of the fertile soil material creating more favourable conditions for plants growth. However, application of this type of buildings in gullies should be reduced to a necessary minimum, due to the high cost of maintaining a m3 of soil material and the introduction of additional elements in the landscape.