Terrestrial Isopods (Isopoda: Oniscidea) from the Slovenian Karst

  • Vilisics F
  • Lapanje A
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Abstract

Hand sorting was performed in 28 habitats of the Slovenian Karst during 2004. Twenty-three terrestrial isopod species were identified, two of which proved to be new for the Slovenian fauna, namely Trichoniscus matulici and Armadillidium nasatum. Synanthropic and semi-natural sampling sites were chosen for collecting samples. The species Orthometopon dalmatinum, Philoscia affinis, Protracheoniscus politus, Trachelipus ratzeburgii were found to be common in semi natural sites, while Androniscus roseus, Chaetophiloscia cellaria and Armadillidium vulgare appeared frequently in synanthropic habitats. Previous investigations of the terrestrial isopod species distribution in the neighbouring northern Italian area showed higher species diversity than in Slovenian western area close to the Italian borderline. This is the reason why a higher terrestrial isopod species diversity is expected during further sampling experiments in Slovenian territory near the Italian border.V 28 različnih predelih slovenskega Krasa smo jeseni leta 2004 nabrali vzorce kopenskih rakov enakonožcev. V njih smo našli 23 različnih vrst, med njimi tudi dve za Slovenijo novi vrsti Trichoniscus matulici in Armadillidium nasatum. Vzorce smo nabirali tako v habitatih v bližini človeških bivališč kot v polnaravnih habitatih. Predstavnike vrst, kot so Orthometopon dalmatinum, Philoscia affinis, Protracheoniscus politus, Trachelipus ratzeburgii, smo našli bolj v naravnih okoljih, medtem ko so predstavniki vrst Androniscus roseus, Chaetophiloscia cellaria in Armadillidium vulgare kazali trend večje zastopanosti v bližini človeških bivališč. Rezultati predhodnih raziskav raziskovalcev na italijanskem teritoriju omenjenega predela Slovenije so pokazali precej večjo vrstno raznolikost kopenskih rakov enakonožcev, kot je to bilo ugotovljeno na slovenskem teritoriju. Ravno zaradi tega je v prihodnosti med natančnejšimi raziskavami pričakovati tudi večjo vrstno raznolikost na slovenskem teritoriju omenjenega predela Slovenije.

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Vilisics, F., & Lapanje, A. (2005). Terrestrial Isopods (Isopoda: Oniscidea) from the Slovenian Karst. Natura Sloveniae, 7(1), 13–21. https://doi.org/10.14720/ns.7.1.13-21

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