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Our study proved that the fragmented forest patches of the Beregi-síkság have extremely unique, isolated carabid populations, therefore the preservation of these habitats both from the point of view of nature conservation and that of conservation biology plays a crucial role. Acknowledgement — The authors are thankful to Prof. Dr. Zoltán Varga for proposing the research problem and for his valuable suggestions. The research was supported by the Pro Regionae Fund, the Pro Renovanda Cultura Hungáriáé Fund, and FKPF 0502/1997 as well. REFERENCES Csiki, E. (1905-1908): Magyarország bogárfaunája [Carabid fauna of Hungary]. — Magyar Királyi Nyomda, Budapest, 465 pp. Deli, T., Kiss, J. and Sümegi, P. (1993): Előzetes adatok a barabási Kaszonyi-hegy Mollusca faunájához [Preliminary data added to the Mollusca fauna of the Kaszonyi-hegy by Barabás]. — Malakológiai Tájékoztató 12: 15-11. Deli, T., Sümegi, P. and Kiss, J. (1994): A Beregi-sík szigethegyeinek szárazföldi Mollusca faunája I. [Terrestrial Mollusca fauna of the island-like hills in the Beregi-síkság I.]. — Calandrella 8: 62-75. Freude, H., Harde K. W. and Lohse, G. A. (1976): Die Käfer Mitteleuropas. — Goecke and Evers Verlag, Krefeld, 302 pp. Gordon, A. D. (1981): Classification, methods for the exploratory analysis of multivariate data. — Chapman and Hall, New York, 193 pp. Magura, T., Ködöböcz, V., Tóthmérész, B., Molnár, T., Elek, Z., Szilágyi, G. and Hegyessy, G. (1997): Carabid fauna of the Beregi-síkság and its biogeographical relations (Coleoptera, Carabidae). — Folia ent. hung. 58: 73-82. Magura, T. and Molnár, T. (1997): A Ménes-völgy és a magasabb karsztfennsík futóbogár faunájának összehasonlító vizsgálata (Coleoptera, Carabidae) [Comparative study of the carabid fauna of the Ménes-völgy and the higher karst plateau (Coleoptera: Carabidae)]. — Folia ent. hung. 58: 252-255. Niemelä, J., Halme, E. and Haila, Y. (1990): Balancing sampling effort in pitfall trapping of carabid beetles. —Entomologica Fennica, 1: 233-238. Rácz, I. (1993): A Középdunai-faunakerület (Kárpát-medence) Orthoptera faunájának genezise és biogeográfiai kapcsolata, faunatípusok és közösségtípusok [Genesis and biogeographical relations of the Orthoptera fauna of the Central Danubian Region (Carpathian Basin), types of faunas and communities]. — Kandidátusi értekezés (unpublished report), Debrecen. Szél, Gy. (1996): Rhysodidae, Cicindelidae and Carabidae (Coleoptera) from the Bükk National Park — In: Mahunka, S. (ed.): The fauna of the Bükk National Park, II. Hungarian Natural History Museum, Budapest, pp. 159-222. Tóthmérész, B. (1993): NuCoSa 1.0: Number Cruncher for Community Studies and other Ecological Applications. —Abstracta Botanica 17: 283-287. Varga, Z. (1995): Geographical patterns of biological diversity in the Palearctic region and the Carpathian Basin. —Acta zool. hung. 41: 71-92. (Received: 22nd June, 1998) Authors' address: V. KÖDÖBÖCZ and T. MAGURA Department of Zoology Kossuth Lajos University H-4010 Debrecen, P. O. Box 3 HUNGARY