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WCM 2001 Abstract Volume Abstracts Council of UNITAS MALACOLOGICA 1998-2001 World Congress of President: Luitfried SALVINI-PLAWEN (Wien/Vienna, Austria) Malacology Secretary: Peter B. MORDAN (London, England, UK) Treasurer: Jackie VAN GOETHEM (Bruxelles/Brussels, Belgium) 2001 Members of Council: Takahiro ASAMI (Matsumoto, Japan) Klaus BANDEL (Hamburg, Germany) Yuri KANTOR (Moskwa/Moscow, Russia) Pablo Enrique PENCHASZADEH (Buenos Aires, Argentinia) John D. TAYLOR (London, England, UK) Vienna, Austria Retired President: Rüdiger BIELER (Chicago, USA) 19. – 25. August Edited by Luitfried Salvini-Plawen, Janice Voltzow, Helmut Sattmann and Gerhard Steiner Published by UNITAS MALACOLOGICA, Vienna 2001 I II Organisation of Congress Symposia held at the WCM 2001 Organisers-in-chief: Gerhard STEINER (Universität Wien) Ancient Lakes: Laboratories and Archives of Molluscan Evolution Luitfried SALVINI-PLAWEN (Universität Wien) Organised by Frank WESSELINGH (Leiden, The Netherlands) and Christiane TODT (Universität Wien) Ellinor MICHEL (Amsterdam, The Netherlands) (sponsored by UM). Helmut SATTMANN (Naturhistorisches Museum Wien) Molluscan Chemosymbiosis Organised by Penelope BARNES (Balboa, Panama), Carole HICKMAN Organising Committee (Berkeley, USA) and Martin ZUSCHIN (Wien/Vienna, Austria) Lisa ANGER Anita MORTH (sponsored by UM). Claudia BAUER Rainer MÜLLAN Mathias BRUCKNER Alice OTT Thomas BÜCHINGER Andreas PILAT Hermann DREYER Barbara PIRINGER Evo-Devo in Mollusca Karl EDLINGER (NHM Wien) Heidemarie POLLAK Organised by Gerhard HASZPRUNAR (München/Munich, Germany) Pia Andrea EGGER Eva-Maria PRIBIL-HAMBERGER and Wim J.A.G. DICTUS (Utrecht, The Netherlands) (sponsored by Roman EISENHUT (NHM Wien) AMS). Christine EXNER Emanuel REDL Angelika GRÜNDLER Alexander REISCHÜTZ AMMER CHAEFER Mag. Sabine H Kurt S Claudia HANDL Denise SCHNEIDER Matthias HARZHAUSER (NHM Wien) Elisabeth SINGER Molluscan Conservation & Biodiversity Franz HOCHSTÖGER Mariti STEINER Organised by Ian KILLEEN (Felixtowe, UK) and Mary SEDDON Christoph HÖRWEG Michael URBANEK (Cardiff, UK) (sponsored by UM). Martina KNAPP Patricia WERNSDORF Barbara LAISTER Robert WOCHESLÄNDER Oleg MANDIC Martin ZUSCHIN New Frontiers in Functional Morphology of Molluscs - A Tribute to Vera Fretter and Ruth Turner Organised by Shirley BAKER (Gainesville, USA) and Diana PADILLA (Stony Brook, USA) (sponsored by AMS and NSF). III IV Short chronicle of UM-Congresses WELCOME ADDRESS UNITAS MALACOLOGICA was born on 21 September, 1962 at the final plenary meeting of the first European Malacological Congress in London. Though the idea of an European malacological organisation dates back to Ladies and Gentlemen, it is a great honour and pleasure to welcome 1935, it was not until 1959, at the 25th Anniversary of the Malacological you all here in Wien/Vienna in the name of the Unitas Malacologica, of the Society in Amsterdam, that a group of distinguished malacologists from various European countries formulated the ides that there should be a common American Malacological Society and of the Friedrich Held-Gesellschaft. I European malacological meeting. On the 8th November in the following year hope your participation in this World Congress of Malacology will meet your (1960), a committe of six British scientists began to organise and prepared the scientific expectations and will enlarge personal contacts of interest. May the first European Malacological Congress, to be held in London at the British Museum, 17-21 September 1962. Even before the start of that Comgress lectures, the posters, the discussions and not at least the individual (which had 125 participants from 20 countries), the suggestion for the conversations contribute to a stimulating meeting. In this sense I wish you all formation of an European Malacological Union was being discussed. The idea took more concrete form by the formation of a small committee convened to a successful Congress and a pleasant stay in Wien/Vienna. draw up a set of proposals and an outline constitution. Although this draft constitution was only in English (and not also in French and German, the two L. SALVINI-PLAWEN other official languages of Congress), this draft was accepted by an President of UM overwhelming majority of the plenum in the final meeting and the UNITAS MALACOLOGICA EUROPAEA had been born. Acceptance of the Constitution of the Union was followed by the election ********** of a council comprising a President, Vice-President, Secretary, Treasurer, an additional member and two auditors) and the more precise elaboration of rules. These included rules concerning membership, the significance of CONTENTS General Assemblies, the election and duties of the Council, etc. It was proposed that Congresses should be organised, if possible, every three years and that This book contains the abtracts of all contributions (lectures within symposia, UNITAS matters (rules and congresses) could be issued in the three official languages English, French and German. Switzerland was made the legal free lectures, posters) presented on 20-25 August 2001 at the World Congress domicile of the Union (later to be restricted to Basel/Bâle/Basle; until 2000). of Malacology in Wien/Vienna. All abstracts are arranged alphabetically At subsequent General Assemblies, several rule changes were approved. In according to the name of the (first) author. 1977 (Amsterdam) the Union was renamed UNITAS MALACOLOGICA (losing "Europaea"). The number of council members was fixed at nine The Editors members (President, Vice-President, Secretary, Treasurer; two retained councilors and two newly elected councilors; and the retiring President as ex- *** officio member); in 2001 (Vienna) it is proposed to restrict the number to eight members (the Vice-President to be the retiring President). Special announcement: In 1989 (Tübingen), the official language of UNITAS MALACOLOGICA was restricted to English (abandoning French and German) following the vote The organising Institut für Zoologie houses its own scientific, in part of non-English speaking members of 63 against 17. historical collection (dry and wet) through all the animal kingdom, as well as Following earlier discussions in 1993 (Siena), in 1995 (Vigo) it was decided glass and wax models. Interested persons are asked to contact the curator to hold the subsequent congress (in 1998) outside Europe for the first time. Held in connection with the 64th annual meeting of the American Malacological Dr.H.-L. Nemeschkal (or any person of the committee, with yellow badges) Union (AMU) and the 31st annual meeting of the Western Society of for a guide through the collection. Malacologists (USA), this 13th Congress of UM in Washington thus became the first "World" Congress of Malacology. V VI Abstracts, World Congress of Malacology 2001, Vienna, Austria L. Salvini-Plawen, J. Voltzow, H. Sattmann & G. Steiner, eds.; Unitas Malacologica, 2001 The UM Congresses: Effect of heavy metal interaction on the freshwater gastropod Lanistes 1st London (GB), 17-21 September 1962; Chairman of Committee: L.R. Cox; carinatus separate Proceedings, London (Conchol.Soc. GB & Ireland and Malacol.Soc. London; L.R.Cox & J.F.Peake eds.), 1965. AbdAllah Tharwat ABDALLAH nd 2 Kφbenhavn/Copenhagen (DK), 10-14 August 1965; President: Henning Lemche; Department of Zoology, Faculty of Science, Al-Azhar University, Assiut, 71524, Proceedings in Malacologia 5(1), 1966. Egypt. 3rd Wien/Vienna (A), 2-6 September 1968; President: Oliver Paget; Proceedings in Malacologia 9(1), 1969. This work concerned with investigating the nature of lead and copper 4th Genève/Geneva (CH), 7-11 September 1971; President: Eugène Binder; interaction effect relative to the freshwater prosobranch Lanistes carinatus Proceedings in Malacologia 14(1-2), 1973. (when mixed together in a ratio of 36:1 lead and copper respectively, 5th Milano/Milan (I), 3-7 September 1974; President: Ferdinando Toffoletto; matching that recorded in the snail´s aquatic habitat). Acute toxicity levels of Proceedings in Malacologia 16(1), 1977. lead nitrate and copper sulphate after twenty four hours of single and 6th Amsterdam (NL), 15-20 August 1977; President: A.C. van Bruggen; Proceedings combined exposure to the studied freshwater snail were determined. Long- in Malacologia 18(1-2), 1979. term exposure to sublethal levels of both metals; singly (100µM Pb and 10 7th Perpignan-Banyuls (F), 31 August - 7 September 1980; President: Jean M. µM Cu) and mixture of them (0.002X) was examined for 21 days period. Gaillard; Abtracts in Haliotis 10(2), 1980; Proceedings in Malacologia 22(1- Comparison of uptake of both metals as a result of combined exposure 2), 1982 (Symposium on Evolution in Malacologia 21(1-2), 1981). revealed higher lead storage even in presence of low copper concentrations. 8th Budapest (H), 28 August - 4 September 1983; President: László Pintér; separate Significant correlation was statistically found between lead and copper Proceedings (Hungar.Nat.Hist.Mus., Budapest; L.Pintér ed.), 1986. concentrations in the digestive gland of snails exposed to metal mixture. Also, 9th Edinburgh (GB), 31 August - 6 September 1986; President: David Heppell; significant negative regression relationship was shown between metal content Proceedings in Malacologia 32(2), 1991, and in separate Proceedings of and organ weight in all examined groups. Histopathological studies showed UM, Leiden (E.Gittenberger & J.Goud eds), 1992 (Symposium on the more damage in the digestive tubules of snails exposed to sublethal levels of Bivalvia, Hong Kong Univ. Press (B.Morton
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