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The International Journal of Speleology is the official journal of the Union Internationale de Spéléologie since 1978 and was founded in 1964. It is a double-blind, peer-reviewed, international scientific journal that publishes research and review articles concerning all sciences involved in karst and caves, such as geology, geomorphology, hydrology, archeology, paleontology, (paleo)climatology, cave meteorology, (geo)microbiology, environmental sciences, physics, chemistry, mineralogy, etc. IJS is published three times per year.

Articles are open access at http://scholarcommons.usf.edu/ijs. The journal is abstracted and indexed in the following services: Directory of Open Access Journals, ISI Thomson Services (Science Citation Index-Expanded including the Web of Science, ISI Alerting Service, Current Contents/Physical, Chemical and Earth Sciences), Bibliography & Index of Geology (GeoRef, Cambridge Scientific Abstracts, EarthScienceWISE (Oxmill Publishing), EBSCO publishing, Geobase, Speleological Abstracts (UIS), Ulrich’s Periodical Directory ™, BIOSIS Zoological record, SCOPUS (Elsevier), and SCImago Journal and Country Rank.

LATEST IMPACT FACTOR 2025: 1.3
In Journal of Citation Reports®, Thomson Reuters 2025

NEW ISSUE IN PROGRESS: Volume 55, issue 2 (2026)

Current Issue: Volume 55, Issue 2 (2026)

Article

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Assessing the impact of lampenflora growth on invertebrate distribution and food resource use in Ryusen-do Cave, Japan
Kazuhide Nakajima, Kanato Ando, Shuji Watanabe, and Masuo Komukai

  • Invertebrate species distribution varies with bat feces and tourism-induced disturbance
  • Bat feces and guano are key factors influencing invertebrate distribution in Ryusen-do Cave
  • Lampenflora growth may negatively affect troglomorphic invertebrates, but may benefit non-troglomorphic species
  • Lampenflora impacts were evident even in a well-managed show cave