Abstract

This paper summarizes data regarding the terrestrial isopods of the White Carpathians range in the Western Outer Carpathians based on field research undertaken during the past several decades in natural meadow pasture and forest localities. Using a combination of four collection methods 19 species belonging to nine families were recorded. The most common representatives were ProtracheoniscuspolitusTrachelipusrathkii and Ligidiumhypnorum. In general the biodiversity of isopod communities in the studied area was considerable with half of the localities explored inhabited by six to ten species. The composition of the isopod assemblages was determined by the character of the biotope and its geographical location. Forest habitats were considerably richer in species than the meadow and pasture ecosystems. Some xerotermic localities in the Slovak part of the area were inhabited by Trachelipusnodulosus and Orthometoponplanum thermophilic species typically associated with warmer parts of Europe. Two relic species (Hyloniscusmariae and Ligidiumgermanicum) were confirmed for this area. Except for only one finding of Porcellioscaber no other evidently introduced or synanthropic species were recorded. Based on the data analyzed the high nature conservancy value of the given area is emphasised.

Highlights

  • The Carpathian range measures approximately 1,500 km and covers ca. 203,000 km2

  • 19 species of terrestrial isopods belonging to nine families were recorded for the whole area of the White Carpathians

  • A total of 43 species of terrestrial isopods are currently known in the Czech Republic, our material pertaining to the Czech part of the White Carpathians represents 37 % of Czech fauna

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Summary

Introduction

The Carpathian range measures approximately 1,500 km and covers ca. 203,000 km. The entire Carpathian chain is usually divided into three major parts: the Western Carpathians (Austria, the Czech Republic, southwestern Poland, Slovakia and Hungary), the Eastern Carpathians (southeastern Poland, eastern Slovakia, Ukraine and Romania), and the Southern Carpathians (Romania and Serbia). Research regarding isopod fauna in the Czech part of the Carpathians was initiated by Frankenberger (1941, 1942, 1944, 1954, 1959). He subsequently published data about several species from the Pálava Hills (South-Moravian Carpathians), Chřiby Hills (Central Moravian Carpathians), Vsetínské vrchy Hills, the surroundings of the town of Vizovice, the White Carpathians (all within the Slovak-Moravian Carpathians) and the Moravskoslezské Beskydy Mountains (Western Beskids). Flasarová (1958) investigated isopod fauna in the Vsetínské vrchy Hills and the Chřiby Hills and announced 10 species, including the species Hyloniscus mariae. Frankenberger (1944) identified Trachelipus difficilis in the Beskydy Mountains (mentioned as T. waechtleri). Flasarová (1958) investigated isopod fauna in the Vsetínské vrchy Hills and the Chřiby Hills and announced 10 species, including the species Hyloniscus mariae. Spitzer et al (2007), who investigated soil fauna in fir-beech forests of the Vsetínske vrchy Hills through the sole use of pitfall trapping, found four isopod species

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