>Publications
, Verein Umwelt & Bildung e. V. Gosen (1997)
Das Karstgebiet um den Boljšoj Thač
N. MarwanThe limestone massif of Boljsoj Thac is an alpine to tempered karst landscape with its typical karst phenomena. In this report these phenomena are documented and discussed. Most of them are old and the explorated caves are usually not active. The enormous importance of karst drainage have to be considered to all decisions about a use. Absence of vegetation leads to a irreversible full erosion of the soil and to a quick destruction of limestone. Furthermore it will lead to a higher surface drainage of the karst area and for that reason floods in far away areas are possible. Caves are complex living areals and cultural heritage which are very worth to protect. Therefore an expansion of Kavkazskij Zapovednik (national park) to save the area around Boljsoj Thac is very recommendable.
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