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Biospeleological Research of Resanovačke Pećine Caves: Ledenica Cave

Resanovačke Pedine Caves belong to Vijenac tectonic unit, extended in northwest - southeast direction, northerly from Mt. Dinara in Bosnia and Herzegovina. Ledenica, or Resanovačka Ledenica Cave, is located on NW part of Resanovac polje on the slopes of Mt. Stražbenica. The cave was named “Ledenica” (Ice Cave) due to the ice accumulation in the entrance chamber which usually remains until summer. The cave contains one big fossil channel close to 700 m long, 40 meters wide and 25 meters high, particularly rich of sinters. Recent research of Ledenica cave, in June 2010, has been performed in collaboration with Biospeleological Society of Bosnia and Herzegovina (BIOSPELD), Croatian Biospeleological Society (CBSS) and representatives of the municipality of Bosansko Grahovo. Research encompassed physical prospecting of all cave channels, microclimate measurements, cave fauna collecting, photo-documentation and cave animals’ macro photography. Potentially prolongation of cave channels, indicate that speleological research should be continued. Terrestrial habitats are dominant with the average temperature of 8° C, while aquatic habitats appear as small and enhanced water pools. Around 20 taxa of cave fauna was registered: Isopoda (Alpioniscus sp.), Acari (Eschatocephalus sp.), Araneae (Parastalita sp., Troglohyphantes sp.), Pseudoscorpiones (Chthonius sp., Neobisium sp.), Diplopoda (Brachydesmus sp.), Collembola (Pseudosinella sp.), Coleoptera (Parapropus sp., Duvalius sp., Laemostenus sp.), Orthoptera (Troglophilus sp.) and representatives of the bat fauna (Chiroptera). Cave is the type locality of Hadzinia karamani (Opiliones: Nemastomatidae), which specimens has been found in the cave during the research for the forst time after 1935 Year. Still, during the preliminary analyses some taxa new for the science were isolated from the collected material. Rich photo documentation has been collected, including some valuable in situ photographs. Future research is planned through the expert work on the collected material and further speleological and biospeleological research of the Ledenica cave and other caves in Resanovac region.

Resanovačke Pećine Caves; Resanovačka Ledenica Cave; Hadzinia karamani; Opiliones

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