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Cave fauna of the Dinara Mt., Croatia

Dinara Mt. is at 1913 m above sea level, situated in the middle of Dinarides on the border between Croatia and Bosnia & Herzegovina. State Institute for Nature Protection financed analysis of the literature and collection data of the cave fauna during 2009. Biospeleological cadastre for Dinara Mt. and surrounding springs was made and the most interesting caves, but also karstic springs, were pointed out. A total of 99 different taxa have been recorded, 26 of them being troglobites and 13 stigobites. Among analyzed material especially interesting are further terrestrial (A) and aquatic (B) invertebrate taxa: A: Araneae with species Troglohyphantes dinaricus, T. wiebesi and Pseudotegenaria bosnica ; Pseudoscorpiones: Chthonius radjai and Microchthonius rogatus ; Isopoda: Alpioniscus verhoeffi ; Diplopoda: Macrochaetosoma troglomontanum troglomontanum ; Collembola: Oncopodura cavernarum ; Coleoptera: Lovricia jalzici. ; B: Amphipoda: Typhlogammarus mrazeki, Niphargus salonitanus and Niphargus trullipes ; Isopoda: Sphaeromides virei mediodalmatina ; Decapoda: Troglocaris pretneri and T. neglecta. Ten taxa are endemics for Dinara Mt. and 12 taxa are endemics for Croatia. Ten endangered taxa are listed in the Red book of Cave fauna of Croatia (in press). According to high biodiversity and endemism of flora and fauna, Croatian part of Dinara Mt. will be protected in appropriate level of protection according to Nature Protection Act. Numerous stenoendemic species of cave fauna have been identi fied from Dinara region so far. Wide areas of Dinara Mt. are still completely unexplored and only through future systematical speleological and biospeleological exploration a more complete checkl ist of cave fauna can be made.

cave fauna; distribution; biodiversity; Dinara Mt.; Croatia

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