Natural and anthropogenic influences on the year-round temperature dynamics of air and water in Postojna show cave,Slovenia |
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| Affiliation: | 1. Department of Chemistry and Biology “Adolfo Zambelli”, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano, SA, Italy;2. Department of Biological, Geological and Environmental Sciences, University of Bologna, Via Zamboni, 67, 40126 Bologna, Italy;3. HERCULES Laboratory, University of Évora, Largo Marques de Marialva, 8, 7000-809 Évora, Portugal;4. Department for the Earth, Environment and Life Sciences, University of Genoa, Corso Europa, 26, 16126 Genova, Italy;1. Laboratoire Chrono-Environnement – UMR 6249, Université de Bourgogne Franche-Comté, 16, route de Gray, 25 000 Besançon, France;2. Agroécologie, AgroSup Dijon, INRA, Université de Bourgogne Franche-Comté, F-21000 Dijon, France;3. Laboratoire de Recherche des Monuments Historiques – USR 3224, Champs-Sur-Marne, France;4. Yokohama City University Medical Center, 4-57 Urafune-cho, Minami-ku Yokohama, Kanagawa-ken 232-0024, Japan;1. Landscape Ecology Group, Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan, PR China;2. Center for Conservation Biology, Core Botanical Gardens, Chinese Academy of Sciences, Yunnan, PR China;3. International College of the University Chinese Academy of Sciences, Beijing, PR China;4. Zukunftskolleg and the Centre for Advanced Study of Collective Behaviour, University of Konstanz, Universitätsstrasse 10, Baden-Württemberg, Konstanz, Germany;5. Ecology and Conservation Research Laboratory (Eco/Con Lab), Department of Biological Sciences, College of Science and Mathematics, University of Southern Mindanao, Kabacan, North Cotabato, Philippines;6. Department of Zoology, Federal University of Paraná, Curitiba, PR, Brazil;7. School of Biological Sciences, The University of Hong Kong, Hong Kong Special Administrative Region |
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| Abstract: | Air and groundwater temperatures were measured in a rimstone pool in Postojna Cave, to advise evaluation of the impact of natural and anthropogenic influences related to heat being initially transmitted into cave air by visitors. Such heat can accumulate both in the rock mass and in water. Results show that attention must be paid to temperature changes of rimstone pool water rather than those of cave air, especially during the winter. Thanks to good ventilation deep inside the cave, short-term air temperature increases related to higher visitor numbers have not influenced flowstone precipitation or the cave fauna. However, this situation might change if winter visitor numbers increased greatly. This study does not support a suggested increase in winter visits (currently the tourism low-season) and reduction of summer visits (currently the tourism high-season). |
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| Keywords: | Anthropogenic impact Cave air temperature Cave water temperature Natural impact Postojna Cave Slovenia |
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