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Investigations of the vegetation and soil in the dolinas of Mecsek mountains, South Hungary
Edit Hoyk - (28/1,1999)
The data of karst ecological study in Mecsek Mountain (South Hungary) can be compared by the analyses in Bükk Mountain and Aggtelek (North Hungary). The western part of Mecsek Mountain is rich in karst forms, the rock base being in strongly fissured Triassic limestone. From a morphometric point of view these dolines are significantly different from those in the karst areas of Bükk and Aggtelek, they are smaller, more shallow and funnel shaped. The amount of 700 mm precipitation per year and increased CO2 production of root systems play an essential role. Soil research studies also support the juvenility of these dolines. Dolines in the Orfü karst plateau are in a natural state, more or less free from anthropogenic influences, however, indirect effect can be shown by the fact that the soil pH is turning sour. This state close to its natural condition is of great value of the landscape, as nowadays it is an important task to conserve the natural conditions of the environment, especially in karst regions. The karst is a highly vulnerable natural system that reacts with great sensitivity to anthropogenic influences, so it requires increased protection, this is why it would be reasonable to include the Orfü karst region in conservation projects.
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