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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 8, issue 7
Biogeosciences, 8, 1825–1837, 2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.
Biogeosciences, 8, 1825–1837, 2011
© Author(s) 2011. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 11 Jul 2011

Research article | 11 Jul 2011

Invertebrate fossils from cave sediments: a new proxy for pre-Quaternary paleoenvironments

O. T. Moldovan1, A. Mihevc2, L. Miko3, S. Constantin4, I. N. Meleg1, A. Petculescu4, and P. Bosák2,5 O. T. Moldovan et al.
  • 1Department of Cluj, "Emil Racoviţǎ" Institute of Speleology, Clinicilor 5, 400006 Cluj-Napoca, Romania
  • 2Karst Research Institute, SRC SASA, Titov trg. 2, Postojna, Slovenia
  • 3European Commission, DG Environment, Av. de Beaulieu 5, 1160 Auderghem, Brussels, Belgium
  • 4"Emil Racoviţǎ" Institute of Speleology, Frumoasǎ 31, 010986 Bucureşti, Romania
  • 5Institute of Geology AS CR, v. v. i., Rozvojová 269, 165 00 Praha 6, Czech Republic

Abstract. Five samples of clastic sediments from interior cave facies taken in three Slovenian relic caves (Trhlovca, Račiška pečina, and a cave in Črnotiče Quarry, Classical Karst, SW Slovenia) provided invertebrate fossil remains. Most of them belong to Oribatida but sparse individuals of Cladocera and insects were also identified. They represent the first pre-Quaternary invertebrate fossils found in sediments of continental temperate climate. The Pliocene/Pleistocene age of the sediments was determined by paleomagnetic dating chronologically calibrated by micromammal biostratigraphy. Invertebrate fossils could be validated as new proxy for the study of cave sediments due to their suitability for ecological and paleogeographic correlations in caves and outside the caves. They also bring additional information about cave formation and karst hydraulic regime in the area. Although the number of remains was very low, it is evidence that climatic conditions in caves allow a better preservation of fossil remains of some groups as compared to most of the surface habitats. This may open a new direction in the study of cave sediments.

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