oceanexpert oceanexpert

© 2016, UNESCO/IOC Project Office for IODE, Ostend, Belgium   Find us on Google+

Details of  Jan Age Van Dalfsen   


Gender male
Job title Senior advisor marine ecology
Department Marine and coastal systems
Deltares Rotterdamse weg 185 PO Box 177
2600 MH
Regions Mediterranean Sea - Western Basin
Sea of Azov
Bristol Channel
Tel +31 623472706
You must log in with an approved account to view email addresses.
Website http://www.deltares.nl/
Social Media Links
You must log in with an approved account to view social media links


Degree MSci
Job type Teaching/Education , Research , Natural Resource Management , Decision Making & Policy , Technical Advice & Consulting
Research Area(s) Biological Oceanography, Marine Ecology , Fisheries, Aquaculture , Marine and Coastal Engineering , Policy, Law, Economics, Management , Pollution , Biological Oceanography, Marine Ecology , Fisheries, Aquaculture , Marine and Coastal Engineering , Policy, Law, Economics, Management , Pollution
Research Activities 20 years of professional experience as Coordinator project manager, consultant and scientist participating in national and international projects. Key activities are integrated environmental assessment studies related to dredging & nourishment activities including deep sea mining, coastal engineering, oil & gas exploration and production, offshore wind energy, spatial planning and policy development for protection and sustainable use of the seas and the coastal waters.

GErman; Franch; Spanish
Research Region 3, 2, 14
Skills/Expertise Marine ecology specialized in benthic studies (research and consultancy) with a broad experience in field studies as well as in desk studies related to assessing and monitoring the impacts of anthropogenic activities in the marine environment. Manager operations; Taxonomy; Scuba diver

M. Rabaut, M. Audfroid Calderón, L. Van de Moortel, J. van Dalfsen, M. Vincx, S. Degraer, N. Desroy 2012. The role of structuring benthos for juvenile flatfish. Journal of Sea Research, Available online 31 July 2012
Van Dijk, T.A.G.P., van Dalfsen, J.A., van Overmeeren, R., Van Lancker, V., van Heteren, S., & Doornenbal, P.J., 2012. Benthic habitat variations over tidal ridges, North Sea, Netherlands, pp. 241-249. In: Harris, P. & Baker, E.K. (eds.). Seafloor Geomorphology as Benthic Habitat: GeoHab Atlas of seafloor geomorphic features and benthic habitats. Elsevier Insights.
Stelzenmüller, V., Breen, P., Thomsen, F., Badalamenti, F.,Borja, A.,Buhl-Mortensen, L., Carlstöm, J., D?Anna, G., Dankers, N., Degraer, S., Dujin, M., Fiorentino, F., Galparsoro, I., Gristina, M., Johnson, K., Jones, P.J.S, Katsanevakis, S., Knittweis, L., Kyriazi, R., Pipitone, C., Piwowarczyk, J., Rabaut, M., Sorensen, T., Van Dalfsen, J. , Vassilopoulou, V., Vega, T., Vincx, M., Vöge, S., Weber, A., Wijkmark, N., Jak, R, Qiu W and ter Hofstede, R. 2012. Monitoring and evaluation of spatially managed areas: A generic framework for implementation of ecosystem based marine management and its application. Marine Policy, Vol. 37, 2013, p. 149-164.
Ingrid Kröncke, Henning Reiss, Jaqueline D. Eggleton, John Aldridge, Magda J.N. Bergman, Sabine Cochrane, Johan A. Craeymeersch, Steven Degraer, Nicolas Desroy, Jean-Marie Dewarumez, Gerard C.A. Duineveld, Karel Essink, Hans Hillewaert, Marc S.S. Lavaleye, Andreas Moll, Stefan Nehring, Richard Newell, Eivind Oug, Thomas Pohlmann, Eike Rachor, Mike Robertson, Heye Rumohr, Michaela Schratzberger, Rebecca Smith, Edward Vanden Berghe, Jan van Dalfsen, Gert van Hoey, Magda Vincx, Wouter Willems, Hubert L. Rees. 2010 Changes in North Sea macrofauna communities and species distribution between 1986 and 2000. Estuarine, Coastal and Shelf Science. July 2011, Volume 94, Issue 1, Pages 1-15
S.G.J. Aarninkhof, J.A. van Dalfsen, J.P.M. Mulder and D. Rijks. Sustainable Development of nourished shorelines, Innovations in project design and realization. PIANC MMX Congres Liverpool UK 2010 (Best paper Award)
Rabaut, M., L. Van de Moortel, J. van Dalfsen, M. Vincx & S. Degraer 2010. Importance of eco-engineered inshore habitats for juvenile flatfish. Estuarine, Coastal and Shelf Science. Published in Rabaut, M. 2009. Lanice conchilega, fisheries and marine conservation. Towards an ecosystem approach to marine management. Ghent University (UGent), PhD thesis, 354 pp.
S.G.J. Aarninkhof, J.A. van Dalfsen, J.P.M. Mulder and D. Rijks, 2010. Sustainable development of nourished shorelines, Innovations in project design and realization. PIANC MMX Congress Liverpool UK 2010
De Vries, P., M. G. D. Smit, J.A. van Dalfsen & C. C. Karman, 2010. Linking the potentially affected fraction of species to biodiversity indicators . Environmental Toxicology and Chemistry, Vol. 29, No. 8, pp. 1868 ? 1876.
Bergman, M.J.N., S.N.R. Birchenough, A. Borja, S.E. Boyd, C.J. Brown, L. Buhl-Mortensen, R. Callaway, D>W> Conner, K.M. Cooper, J. Davies, I. de Boois, K.D. Gilkinson, D.C. Gorden Jr., H. Hillewaert, H. Kautsky, M. de Kluyver, I. Kroncke, D.S. Limpenny, W.J. Meadows, S. Parra, S.E. Pennington, E. Rachor, H.L. Rees, H. Rumohr, M. Schatzberger, S. Smith, B.G. Tunberg, J.A. van Dalfsen, S. Ware & L. Watling, 2009. Guidelines for the study of epibenthos of subtidal environments. ICES Techniques in Marine Environmental Sciences No 42. 88 pp
Rabaut, M.; Van de Moortel, L.; van Dalfsen, J.; Vincx, M.; Degraer, S. (2009). Importance of eco-engineered inshore habitats for juvenile flatfish, in: Rabaut, M. (2009). Lanice conchilega, fisheries and marine conservation: towards an ecosystem approach to marine manage. pp. 123-145
Van Dalfsen, J.A.1 & S.G.J. Aarninkhof, 2009. Building with Nature: Mega nourishments and ecological landscaping of extraction areas. Proceedings of the EMSAGG Conference, 5-6 February 2009, Rome, Italy
Van Overmeeren R., J. Craeymeersch, J. van Dalfsen, F. Fey, S. van Heteren, E. Meesters 2009. Acoustic habitat and shellfish mapping and monitoring in shallow coastal water ? Sidescan sonar experiences in The Netherlands Estuarine, Coastal and Shelf Science, Volume 85, Issue 3, 30: 437-448
Van Raalte, G., W. Dirks, T. Minns, J. van Dalfsen, P. Erftermeijer, S. Aarninkhof and H. Otter (2008). Building with nature: creating sustainable solutions for marine and inland water constructions. New research initiative towards a Centre of Excellence. Proceedings of the Eighteenth World Dredging Congress (WODCON XVIII), May 27 - June 1, 2007. Lake Buena Vista, Florida USA, pp. 637-648.
H. L. Rees, J. D. Eggleton, E. Rachor, E. Vanden Berghe, J. N. Aldridge, M. J. N. Bergman, T. Bolam, S. Cochrane, J. A. Craeymeersch, S. Degraer, N. Desroy, J.-M. Dewarumez, G. C. A. Duineveld, K. Essink, P. Goethals, H. Hillewaert, G. Irion, P. J. Kershaw, I. Kröncke, M. Lavaleye, C. Mason, S. Nehring, R. Newell, E. Oug, T. Pohlmann, H. Reiss, M. Robertson, H. Rumohr, M. Schratzberger, R. Smith, J. Van Dalfsen, G. Van Hoey, M. Vincx and W. Willems, 2007. The ICES North Sea Benthos Project 2000: Aims, outcomes and recommendations. ICES CM 2007/A:21
Van Dalfsen, J.A., J.T. van der Wal & G.M. Janssen , 2007. Dutch shoreface habitats and implications for coastal protection projects. CEDA Dredging Days 2007, Rotterdam, the Netherlands; Paper ID 2-2, ISBN 978-90-809883-2-3.
Reiss, H.; Rees, H.L.; Kröncke, I.; Aldridge, J.N.; Bergman, M.J.N.; Bolam, T.; Cochrane, S.J.; Craeymeersch, J.A.; Degraer, S.; Desroy, N.; Dewarumez, J.-M.; Duineveld, G.C.A.; Eggleton, J.D.; Hillewaert, H.; Kershaw, P.J.; Lavaleye, M.S.S.; Mason, C.; Moll, A.; Nehring, S.; Newell, R.; Oug, E.; Pohlmann, T.; Rachor, E.; Robertson, M.; Rumohr, H.; Schratzberger, M.; Smith, R.; Vanden Berghe, E.; van Dalfsen, J.; Van Hoey, G.; Willems, W. (2007). Infauna, epifauna and demersal fish communities in the North Sea: community patterns and underlying processes. C.M. - International Council for the Exploration of the Sea, CM 2007(A:10). ICES: Copenhagen, Denmark. 21 pp.
Baptist, M.J., J.A. van Dalfsen, A. Weber, S. Passchier & S. van Heteren, 2006. The distribution of macroozoobenthos in the Southern Nort Sea in relation to meso-scale bedforms. Estuarine, Coastal and Shelf Science 68: 538 ? 546.
Spruijt, M., J.A. van Dalfsen, M.T. Logtenberg, R. Oorschot, M.G. Blankendaal & C.C. Karman, 2005. Maritime safety of offshore windfarms. Models versus expert opinions. Proceedings of the Copenhagen Offshore Wind Conference 2005.
Smit, M.G.D., J.A. van Dalfsen and C.C. Karman, 2005. Linking the different worlds of environmental risk assessment and environmental effect monitoring. In : Offshore Oil and Gas Environmental Effects Monitoring:Approaches and Technologies. S.L. Armsworthy, P.J. Cranford & K. Lee Eds. Battelle Press, Columbus, Ohio, USA.
J.A. van Dalfsen1, S. van den Akker, C. Puha, M. Baretta 2004. Ecological perspectives of marine sand extraction in the Netherlands. Proceedings of World Dredging Congress XVII, Hamburg, Germany.
Weber A., J.A. van Dalfsen, S. Passchier, A.J.F. van der Spek & S. van Heteren. 2004. Eco-morphodynamics of the North Sea seafloor and macrobenthos zonation. Marine Sand wave and River Dune Dynamics. International Workshop, April 1-2 2004, University of Twente, The Netherlands. Proceedings Hulscher, S., Garlan T., Idier D. Eds., 352 pages
Van Dalfsen, J.A., K. Essink, H. Toxvig Madsen, J. Birklund, J. Romero and M. Manzanera, 2000. Differential response of macrozoobenthos to marine sand extraction in the North Sea and the western Mediterranean. - ICES Journal of Marine Science 57: 1439 ?1445.
Van Dalfsen, J.A. & K. Essink, 1999. RIACON: Risk analysis of coastal nourishment techniques in The Netherlands. Senckenbergiana maritima 29: pp 51-53.
Essink, K. & J.A. van Dalfsen, 1998. The effects on macrozoobenthos of subaqueous sand extraction North of the island of Terschelling, The Netherlands. Working document RIKZ/OS 98.607. Report of the ICES Working Group on effects of extraction of marine sediments on the marine ecosystem, 20-25 April 1998, Haarlem, The Netherlands.
Essink, K. & J.A. van Dalfsen, 1997. The ecological effects of subaqueous sand extraction North of the island of Terschelling, The Netherlands. Working document RIKZ/OS 97.604. Report of the ICES Benthic Ecology Working Group, 23-26 April 1997, Gdynia, Poland.
Scheepmaker, M. & J.A. van Dalfsen, 1990. Genetic differentiation in Gammarus fossarum and G. caparti (Crustacea, Amphipoda) with respect to G. pulex pulex in North- Western Europe. Bijdr. Dierk., 59 (2).
Van Dalfsen, J.A.& K. Essink, 2001. Benthic community response to sand dredging and dumping off the Dutch Coast. In: Krönke, I. & Türkay, M. & Sündermann, J. (eds), Burning issues of North Sea ecology, Proceedings of the 14th international Senckenberg Conference North Sea 2000, Senckenbergiana marit. 31 (2): 329-332.

Created: 2003-02-03 Last Updated: 2014-06-03 by Jan VAN DALFSEN