13th symposium Waddenacademie, in cooperation with NWO. Where: Post Plaza Leeuwarden. When: December 10 and 11, Title: Wadden Sea Research

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1 13th symposium Waddenacademie, in cooperation with NWO Where: Post Plaza Leeuwarden When: December 10 and 11, 2014 Title: Wadden Sea Research Introduction On December 10 and 11, the Waddenacademie and the Netherlands Organisation for Scientific Research (NWO; the Dutch research council), organise a symposium focussing on Wadden Sea research. We are glad we have Wouter van Dieren as our key-note speaker. Wouter van Dieren is a.o. director IMSA Amsterdam, member Club of Rome and member World Academy of Art and Science. 50 years after the period of threatening plans to change the Waddensea into a polder landscape, it has now become a UNESCO Worldheritage site. The tide has turned 180 degrees. Due to climate changes, the combination of tidal mudflats and shallow sea could disappear in a matter of a few decades. The villages of West-Vlieland, Sier on Ameland and Griend already vanished because of storm surges and dynamic coastline changes. 12th century s storms caused the water to swallow up the land between the current islands and the main coast. Preludes to more drastic events in the next half century to come. John Dagevos (Telos, University of Tilburg) will present the Wadden barometer, which is being developed by Telos and IMSA in cooperation with the Waddenacademie. The Wadden barometer has the aim to monitor the ecological, economic and social-cultural sustainability in the Wadden area. After his presentation, the scientific pros and cons of the Wadden barometer and the policy relevance will be discussed. In the afternoon, the focus will be on science-policy interactions in the Wadden Area within the National Sea and Coastal Research Programme (Dutch: ZKO). This theme will be introduced by Matthias Ruth (Northeastern University Boston) and Beate Ratter (Universität Hamburg and Helmholtz-Zentrum Geesthacht HZG). Via a joint call with the German Ministry of Education and Research BMBF, four trans-national projects on the bio- and georisks of the Wadden Sea were funded in The projects are now well underway and the scientists would like to share their first results with you. Keynote speakers at the second day are Prof Anna Occhipinti (Università degli Studi di Pavia) and Prof Mark Stacey (University of California, Berkeley.

2 December Welcome with coffee and tea prof. dr. Jouke van Dijk, chairman Waddenacademie: Welcome and outline programme day 1 Theme 1 Wadden barometer dr. Katja Philippart, moderator: Introduction theme Wouter van Dieren, founder IMSA and Member Club of Rome: A longtime metaphoric view on the Wadden estuary. From Plinius till Eugene Odum and the Unesco Status Coffee and tea break drs. John Dagevos, Telos, University of Tilburg: The Wadden barometer: A first concept Panel discussion about the scientific value of the Wadden barometer Panel members: prof.dr. Han Lindeboom (Imares); dr. Meindert Schroor (Waddenacademie); dr. Frans Sijtsma (RUG); drs. Herman Verheij (Wadden Sea Forum) General discussion theme 1 with the audience Lunch Theme 2 Science policy interactions dr. Katja Philippart, moderator: Introduction theme Prof.dr. Matthias Ruth, Northeastern University Boston: Finding Robust Strategies in Complex Human-Environment Systems Prof.dr. Beate Ratter, Universität Hamburg and Helmholtz-Zentrum Geesthacht HZG: Science-policy Interatcion More than a communication problem? Prof.dr. Jan van Tatenhove, WUR/Dr. Hens Runhaar, Universiteit Utrecht/Dr. Henny van der Windt, RUG: science-policy problems in the Wadden Sea: an introduction into the NWO-ZKO research programme Coffee and tea break

3 Franke van der Molen MSc, Judith Floor MSc, Wanda van Enst MSc, Chris SeijgerMSc, Diana Giebels MSc, dr. Daniel Puente-Rodríguez: How to deal with science-policy problems in the Wadden Sea? Prospects for action Reception at Post Plaza Dinner at Post Plaza, including performance by Reizger, Fryske folkband December Welcome with coffee and tea prof. dr. Jouke van Dijk, chairman Waddenacademie: Welcome and outline programme day 2 Theme 3 Biorisks of the Wadden Sea prof. dr. Franciscus Colijn, moderator: Introduction theme h prof. dr. Anna Occhipinti (Università degli Studi di Pavia): Non indigenous marine species, a global biorisk agent in selected regional Seas Topic: The impact of biological invasions on the food web of the Wadden Sea 09:50-10:05 dr. Harald Asmus (AWI): The impact of biological invasions on the food web of the Wadden Sea - an introduction and outlook 10:05-10:20 Sarina JungMSc (NIOZ, Texel): The basement of tidal basin food webs 10:20-10:35 dr. Ulrike Schückel (Senckenberg am Meer): The food web of the Jade Bay - a network approach 10:35-10:50 Camille de la VegaMSc (AWI): The impact of top predators on the food web of the Sylt-Rømø Bight Coffee and tea break

4 Topic: Effects of invasive species on native predator-prey and pathogen-host webs David Thieltges (NIOZ, Texel): Introduction to the project Anouk Goedknegt MSc (NIOZ, Texel): The effects of the invasive Pacific oyster on native pathogen-host systems Christian Buschbaum (AWI): Do non-native species alter native predator-prey interactions? dr. Mathias Wegner (AWI): Invaders in the Wadden Sea: Evolutionary consequences and adaptations Lunch Theme 4 Georisks of the Wadden Sea prof. dr. Franciscus Colijn, moderator: Introduction theme prof. Mark Stacey (University of California, Berkeley): Climate Change, Sea Level Rise and San Francisco Bay: Threats to a U.S. West Coast Estuary Topic: The future of the Wadden Sea sediment fluxes: still keeping pace with sea level rise? dr. Ulf Gräwe (IOW - Warnemünde): Numerical analysis of hydrodynamics in the entire Wadden Sea dr. Matias Duran Matute (NIOZ, Texel/TUE): A fresh look into transports in the Dutch Wadden Sea: results from 3D simulations Coffee and tea break

5 Topic: Impact of climate change and human intervention on hydrodynamics and environmental conditions in the Ems-Dollart estuary: an integrated data-modelling approach prof. dr. Huib de Swart (IMAU, UU): General introduction Erik Ensing MSc (IMAU, UU): Sensitivity of three-dimensional tidal flow in well-mixed estuaries to cross-sectional shape, deepening and sea level rise Mr. Johannes Pein (Oldenburg University): Hydrodynamics of the Ems Estuary: Recent observations and 3D modelling General discussion (with an introduction by drs. Dick van der Kroef, acting director Earth and Life Sciences and Dr. Dirk Schories, project management Jülich Forschungszentrum Jülich GmbH) prof. dr. Jouke van Dijk, chairman Waddenacademie: Concluding remarks Reception at Post Plaza