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World Congress of Malacology Antwerp, Belgium 15-20 July 2007 World Congress of Malacology Antwerp, Belgium 15-20 July 2007 ABSTRACTS edited by Kurt Jordaens, Natalie Van Houtte, Jackie Van Goethem & Thierry Backeljau WORLD CONGRESS OF MALACOLOGY ANTWERP, BELGIUM 15-20 JULY 2007 ABSTRACTS edited by Kurt Jordaens Natalie Van Houtte Jackie Van Goethem Thierry Backeljau Antwerp 2007 World Congress of Malacology, Antwerp, Belgium, 15-20 July 2007 Edited by Kurt Jordaens, Natalie Van Houtte, Jackie Van Goethem & Thierry Backeljau ISBN: 978-90-9022078-9 © Unitas Malacologica, 2007 Abstracts may be reproduced provided that appropriate acknowledgement is given and the reference cited. TABLE OF CONTENTS Sponsors V Council of Unitas Malacologica 2004-2007 X Organisation of Congress XII Conference program XIV Posters (in alphabetic order of the first author) LXIV Abstracts (in alphabetic order by first author) 1 Errata 253 Addendum 254 Author index 255 Addresses of delegates 263 IV WCM 2007 HOSTED V Thank you very much for your generous support! FWO finances basic research which is aimed at moving forward the frontiers of knowledge in all disciplines. Basic research is carried out in the universities of the Flemish Community and in affiliated research institutes. Therefore the FWO is Flanders’ instrument to support and stimulate fundamental research in the scope of scientific inter-university competition. Fundamental research is carried out by first-rate, highly specialised researchers. This research has a large social and cultural value and is the basis for new knowledge which is the basis to build up goal-oriented, applied, technological and strategic research. This approach adds to the well-being and it stimulates as well the concerned community as the society as a whole. The FWO efforts to reach that goal by different approaches : Support of individual researchers by: • attracting and financing talented, recently graduated to obtain a doctoral thesis (Ph.D.) with the Ph.D. grants or Special Ph.D. grants and Clinical Ph.D. grants; • Ph.D.’s can reach an internationally recognised level as Postdoctoral Fellows; • Stimulating postdoctoral experienced clinicians through halftime research grants as Senior Clinical Investigators. Supporting research teams: • to support young researchers at the start of their academic career; • to promote research by supplying personnel, equipment and consumables for top priority research proposals. Promoting national and international scientific mobility by: • establishing Scientific Research Networks to promote co-ordination, national and international contacts at postdoctoral level; • attracting junior and senior Visiting Postdoctoral Fellowships to join a FWO research project or network and bring in extra expertise; • providing grants for active participation of researchers in international congresses; • providing grants for study and training periods abroad; • bilateral agreements and participation in international corporate projects; • sabbatical leaves; • providing grants for organising international congresses in Belgium; • mobility allowances for FWO-Postdoctoral Fellows. Participating in European Research organizations http://www.fwo.be/en/index.aspx VI Thank you very much for your generous support! VWR International is a leader in the global research laboratory industry with worldwide sales in excess of $3 billion US dollars. VWR's business is highly diversified across products and services, geographic regions and customer segments. The company offers products from a wide range of manufacturers, to a large number of customers primarily in North America, Europe and other locations. VWR's principal customers are major pharmaceutical, biotechnology, chemical, technology, clinical, food processing and consumer product companies, universities and research institutes, governmental agencies, environmental testing organizations, and primary and secondary schools. VWR distributes a diversified product mix, including chemicals, glassware and plasticware, equipment and instruments, furniture, protective apparel, production and safety products, and other life science and laboratory products and supplies. VWR supports its customers by providing storeroom management, product procurement, supply chain systems integration, technical services and laboratory bench top delivery. VWR maintains operations in over 20 countries and employs over 6,000 people worldwide. VWR International is headquartered in West Chester, Pennsylvania http://www.vwr.com/default.htm VII Thank you very much for your generous support! Applied Biosystems has demonstrated its position as a technology leader and driving force in the changing dynamics of the life science marketplace. The Applied Biosystems business is focused on the following markets: basic research, commercial research (pharmaceutical and biotechnology) and standardized testing, including forensic human identification, paternity testing and food testing. The company has an installed base of approximately 180,000 instrument systems in nearly 100 countries. Basic research includes work at university, government and other non-profit institutions that focus on uncovering the basic laws of nature and understanding human disease. Pharmaceutical and biotechnology companies use Applied Biosystems' products to discover and develop new drugs more effectively. Standardized testing customers require systems that produce precise results from a high volume of automated tests. Further information on how Applied Biosystems serves these customers can be found in our press kit. Applied Biosystems (symbol ABI) is one of the two tracking stocks of Applera Corporation. Celera Genomics (symbol CRA) is the other, and both are traded on the New York Stock Exchange. http://www.appliedbiosystems.com/about/ VIII FINANCIAL SUPPORT WAS ALSO ENTHOUSIASTICALLY PROVIDED BY BIOTRAC s.p.r.l. IX COUNCIL OF UNITAS MALACOLOGICA 2004-2007 President: Thierry Backeljau (Royal Belgian Institute of Natural Sciences, Belgium; University of Antwerp, Belgium) Secretary: Dai Herbert (Natal Museum, South Africa) Treasurer: Jackie Van Goethem (Royal Belgian Institute of Natural Sciences, Belgium) Members of Council: Paula Mikkelsen (Paleontological Research Institution, USA) Marco Oliverio (“La Sapienza” Rome University, Italy) Somsak Panha (Chulalongkorn University, Thailand) Guido Pastorino (Museo Argentino de Ciencias Naturales, Argentina) Retired President: Fred Wells (Western Australia Fisheries and Marine Research Laboratories, Australia) X XI ORGANISATION OF CONGRESS ORGANISERS-IN-CHIEF Prof. Dr. Thierry BACKELJAU - President of Unitas Malacologica – (Royal Belgian Institute of Natural Sciences - University of Antwerp) Dr. Kurt JORDAENS (University of Antwerp) Dr. Jackie L. VAN GOETHEM (Royal Belgian Institute of Natural Sciences) ORGANISING COMMITTEE Prof. Dr. Peter AERTS (University of Antwerp) Prof. Dr. Tom ARTOIS (University of Hasselt) Prof. Dr. Ronny BLUST (University of Antwerp) Prof. Dr. Luc BRENDONCK (University of Leuven) Prof. Dr. Luc DE MEESTER (University of Leuven) Prof. Dr. Carlo HEIP (NIOO-KNAW - Institute of Ecology, The Netherlands) Dr. Francis KERCKHOF (Royal Belgian Institute of Natural Sciences) Prof. Dr. Herwig LEIRS (University of Antwerp) Prof. Dr. Luc LENS (University of Ghent) Prof. Dr. Jean-Pierre MAELFAIT (INBO - Research Institute for Nature and Forest & University of Ghent) Prof. Dr. Erik MATTHYSEN (University of Antwerp) Dr. Marc POLLET (Institute for the Promotion of Innovation by Science and Technology in Flanders) Prof. Dr. Raoul VAN DAMME (University of Antwerp) Prof. Dr. Stefan VAN DONGEN (University of Antwerp) Prof. Dr. Ron VERHAGEN (University of Antwerp) Prof. Dr. Magda VINCX (University of Ghent) Prof. Dr. Filip VOLCKAERT (University of Leuven) HELPING HANDS (in alphabetical order): Karin Breugelmans (Royal Belgian Institute of Natural Sciences) Claudine Claes (Royal Belgian Institute of Natural Sciences) Wim De Belder (University of Antwerp) Lobke Dillen (University of Antwerp) Solange De Strooper and Mark Van Laeken (Department of Infrastructure – University of Antwerp) Jan Lenaerts (Theological Pastoral Center) Catherine Ongenae (Catering Service – University of Antwerp) and the catering team of the Campus Middelheim and the Campus Groenenborger Vanya Prévot (Royal Belgian Institute of Natural Sciences) XII Kristof Schils Michel Switten (University of Antwerp) Heidi Van den Broeck (University of Antwerp) Inez Vandevyvere Natalie Van Houtte (University of Antwerp) Bieke Vanhooydonck (University of Antwerp) Veerle Vanhooydonck Eric Van Loo (Coordinator of the student accommodation at Campus Middelheim) Hilde Vrijders (Royal Belgian Institute of Natural Sciences) Jan Van Hecke and Dirk Verheyden (Audiovisual Centre – University of Antwerp) The web-team of the Royal Belgian Institute of Natural Sciences and so many others who helped in various ways… XIII THE SCIENCE Contributed paper sessions: The World Congress of Malacology is an opportunity for malacologists from throughout the world to get together to discuss the animals on which they work. Accordingly, contributed papers and posters on all aspects of malacology are welcome. There are several major symposia: SEXUAL SELECTION IN MOLLUSCS Traits that evolve through selection during the process of mating are said to be sexually selected. Famously, Darwin claimed that sexual selection could not occur in molluscs, because of their hermaphroditism and imperfect senses, but in this he was clearly wrong. In fact, sexual selection is particularly strong in molluscs owing to the prevalence
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