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Executive summary |
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Professor in Marine botany since 1984, with more than 35 years of experience from marine research and more than 15 years experience in introduced aquatic species and their impact on biodiversity, environment and economy. A wide experiences in ecology and ecophysiology of macroalgae both in the Baltic Sea and on the Swedish west coast, harmful algal blooms as well as marine systems ecology (including animal-plant interactions) Participated in the Swedish EPA reference groups to deve-lop their “Policy on the Introduction and Spread of Non-Native and Genetically Modified Organisms”, and to develop and formulate “Environmen-tal quality criteria for coasts and seas”. Extended review work on exotic algae in European waters and arranged a workshop at the Inter-national Phycological Congress in North Carolina (1991) to discuss the risks with introduced species (especially toxic algal cysts in ballast water) and genetically modified organisms when cultivating seaweeds. On several occasions been involved in evaluating the risks of and further spread of introduced algae (Undaria, Sargassum, Caulerpa, Porphyra) as well as some harmful algal blooms (incl. phytoplankton resting stages) and produced a status report on introduced algae in ICES country, covering introductions of both seaweeds and phytoplankton as well as higher plants since the beginning of last century
Member of several international working groups and participated in several international seminars on introduced species:
- International Council for the Exploration of the Sea (ICES), Working Group on Introductions and Transfers of Marine Organisms (WGITMO); since 1987
- Baltic Marine Biologists (BMB) Working Group Non-Indigenous Estuarine and Marine Organisms; since start
- ICES Study Group on Marine Biocontrol of Invasive Species (SGMBIS); since start
- ICES Study Group on Ballast Water and Sediment (SGBWS); since start
- International Symposium Paris, France, March 13-15, 1997 "Dynamics of invasive marine species: application to the expansion of Caulerpa taxifolia in the Mediterranean" (Chairperson)
- Invited to speak on introduced species at two international seminars at Ocean 98, Lisbon, Portugal, June 1998
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Currently involved |
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| European Concerted Action Study: Testing Monitoring Systems for Risk Assessment of Harmful Introductions by Ships to European Waters (funded by the EU 1998-2000) in which six European countries (Finland, Germany, Ireland, Sweden, United Kingdom (England and Scotland), Lithuania and several experts from elsewhere (e.g. North America, some Mediterranean Countries, Australia and Asia) were involved. The IMO (International Maritime Organization) was also a partner of this study. The EU project was linked with ICES WGITMO and ICES/IOC/IMO SGBWS for the duration of the project. The main objective of this Concerted Action was to com-pare and harmonise various sampling methods of ballast water and to study their effectiveness for sampling. Further objectives of this Concerted Action included: state of the art of ballast water studies, case histories of selected introduced species, assessing potential treatment options of ballast water, development of public awareness material, assessing European waters as potential donor area and documentation of European studies on introduced species in the past. |
| Experiences from a pilot project of sampling ballast water in Sweden with special emphasis on phytoplankton. |
| Supervisor to Ph.D and M.Sc projects on Sargassum muticum. |
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Recent publications |
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| Wallentinus, I 1986. Evaluation of the possible establishment of the Japanese brown alga Undaria pinnatifida along the European Atlantic coast. In: Rep. WG on Introductions and Transfers of Marine Organisms, Gdynia Poland 3-6 June 1986. ICES C.M. 1986/F:51 Mariculture Comm., pp. 48-59. |
| Floc'h, J Y., R Pajot & I Wallentinus, 1988. The Japanese brown alga Undaria pinnatifida on the coasts of France and the possibilities for its establishment in European waters. In: "Case histories of the effects of transfers and introductions of marine resources", Minisymposium at the ICES Statutory Meeting, Bergen, Norway, 10 October 1988. C.M. 1988/Mini No 2, 16 pp. |
| Wallentinus, I 1990. Eutrophication and algal blooms in North Sea coastal zones, the Baltic and adjacent areas: Prediction and assessment of preventive actions. Report from Session 1: "Ecological processes, subsession 1: Environmental factors controlling algal blooms development. Proc. EEC Workshop, Brussels, 26-28 October 1988. Water Poll. Res. Report 12:245-250. |
| Floc'h, J Y, R Pajot & I Wallentinus, 1991. The Japanese brown alga Undaria pinnatifida on the coast of France and its possible establishment in European waters. J. Cons. int. Explor. Mer 47:379-390. |
| Wallentinus, I 1992. The dispersal of Sargassum muticum in the ICES countries. Report of the Working Group on Introduction and Transfers of Marine Organisms, Lisbon 14-17 April 1992. ICES C.M./POLL:3 , Appendix II, pp. 21-26. |
| Wallentinus, I 1994. Concerns and activities of the ICES Working Group on Introductions and Transfers of Marine Organisms. In: Boudouresque, C. F., Briand, F., Nolan, C. (eds) Introduced species in European coastal waters. Europ. Comm. Ecosystems Res. Rep. 8: 76-84. (EUR 15309). |
| Wallentinus, I 1996. Effects of eutrophication on macroalgal communities along the Atlantic shores (the Swedish west coast, Norway, and Iceland). In: Schramm, W, R L Fletcher & P N Nienhuis (eds) Marine benthic vegetation in Europe. Recent changes and the effects of eutrophication. COST 48, Springer Verlag, Berlin pp. 165-184. |
| Rosenthal, H.; Gollasch, S; Laing, I.; Leppäkoski, E.; Macdonald, E.; Minchin, D.; Nauke, M.; Olenin, S.; Utting, S.; Voigt, M. & Wallentinus, I., 1998. Testing Monitoring Systems for Risk Assessment of Harmful Introductions by Ships to European Waters. In: Barthel, K. G.; Barth, H.; Bohle-Carbonell, M.; Fragakis, C; Lipiatou, E; Martin, P.; Ollier, G. & Weydert, M. (eds.): 3rd European Marine Science and Technology Conference, Lisbon, 23-27 May 1998, Project Synopses Vol. II, Strategic Marine Research, 919-928 (EUR 18220 EN). |
| Godhe A. & I. Wallentinus 1999. The ports in the Stenungsund area, west coast of Sweden. In: Gollasch, S. & E. Leppäkoski (eds) Initial risk assessment of marine alien species in Nordic waters. Nord 1999: 8. Nordic Council of Ministers, Copenhagen. pp. 140-183. |
| Wallentinus I. 1999 Introductions and transfers of plants. In: Munro, A.L.S., S.D. Utting & I. Wallentinus (eds) Status of introductions of non-indigenous marine species to North Atlantic waters 1981-1991. ICES Coop. Res. Rep. 231. |
| Wallentinus, I. 1999. Undaria pinnatifida (Harvey) Suringar, 1872. In: Gollasch, S., D. Minchin, H. Rosenthal & M. Voigt (eds) Exotics across the ocean. Case histories on introduced species. Univ. of Kiel, Berlin, pp. 11-19. |
| Wallentinus, I. 1999. Sargassum muticum (Yendo) Fensholt, 1955. In: Gollasch, S., D. Minchin, H. Rosenthal & M. Voigt (eds) Exotics across the ocean. Case histories on introduced species. Univ. of Kiel, Berlin, pp. 21-30. |
| Gollasch, S., H. Rosenthal, I. Laing, E. Leppäkoski., E. Macdonald, D. Minchin, M. Nauke, S. Olenin, S. Utting, M. Voigt, & I. Wallentinus (in print) Survival rates of species in ballast water during international voyages: Results of the first workshops of the European Union Concerted Action. In: Pederson, J. (ed.) Marine Bioinvasions: Proceedings of the First National Conference, Boston, January 24-27, 1999, MIT Sea Grant College Program. |
| Gollasch, S., E. Macdonald, S. Belson, H. Botnen, J. T. Christensen J. P. Hamer, G. Houve-naghel, A. Jelmert, I. Lucas T. McCollin, S. Olenin, A. Persson, L.P.M.J. Wetsteyn, I. Wal-lentinus, T. Wittling (submitted). Life in ballast water tanks. Biofouling. |
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Abstracts on introduced species |
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| Johansson, B, J Karlsson & I Wallentinus, 1995. Dispersal of propagules in aquatic environ-ments: Methods applied to Sargassum muticum (Yendo) Fensholt. XVth International Seaweed Symposium, Valdivia, Universidad Austral de Chile, January 9-14, 1995, p. 73. (lecture) |
| Wallentinus, I 1999. Introduced species and ecosystem effects. Problems of scale in marine systems, Stockholm,, March 22-23, 1999 p. (invited lecture) |
| Wallentinus, I 2000. Introduced macrophytes - do they have as large an impact on the ecosystem and fisheries as animals? ICES Annual Science Conference, Bruges, Belgium 27-30 Septem-ber, 2000. (poster) |
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