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Executive summary |
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Prof. Dr. E. Leppäkoski is working on an international basis. His more than 100 publications cover a wide variety of subjects: marine pollution/eutrophication, biological indicators (macrozoobenthos), recovery and recolonization of damaged marine ecosystems, introduced species in European brackish-water seas, environmental problems in enclosed European seas under multiple stresses, aquatic biodiversity, eutrophication and habitat value, biogeography.
He has been involved in studies on non-native aquatic species in the Baltic Sea since the early 1980s and, since 1986, also in other European brackish-water areas (scientific stays in Poland, Bulgaria, Romania, and Croatia.
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Currently involved |
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| His main focus of the current work is on the ecology of brackish-water invasions and introductions - their invasion history, ecology and biogeography, and their impact on functional biodiversity in benthic communities; risk assessment of alien aquatic organisms in the Nordic area and in European brackish-water seas. |
| European Concerted Action Study: Testing Monitoring Systems for Risk. |
| Assessment of Harmful Introductions by Ships to European Waters (funded by the EU). |
| Aquatic Biodiversity, Euthrophication and Habitat Value. Cross-analysis of the Baltic Sea and the Lake Saimaa, Finland (funded by the Academy of Finland). |
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Recent publications |
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| 1. Gollasch, S. & E. Leppäkoski (1999): Initial risk assessment of alien species in Nordic coastal waters. 1-124. In: Gollasch, S. & E. Leppäkoski (eds.) Initial risk assessment of alien species in Nordic coastal waters. Nord 1999: 8. Nordic Council of Ministers, Copenhagen. 244 pp. |
| 2. Gollasch, S., Rosenthal, H., Botnen, H., Laing, I., Leppäkoski, E., Macdonald, E., Minchin, D., Nauke, M., Olenin, S., Utting, S., Voigt, M. and Wallentinus, I. Survival rates of zooplankton taxa in ballast water during short-term and long-term ocean-going voyages. International Review of Hydrobiology (in press). |
| 3. Kraufvelin, P., B. Sinisalo, E. Leppäkoski, J. Mattila and E. Bonsdorff (2000). Changes in zoobenthic structure after pollution abatement from fish farms in the Arcipelago Sea (N Baltic Sea). Mar. Environ. Res. (in print). |
| 4. Leppäkoski, E. & P. E. Mihnea (1996). Enclosed seas under man-induced change: A comparison between the Baltic and Black Seas. - Ambio 25: 380-389. |
| 5. Leppäkoski, E. & S. Olenin (2000). Non-native species and rates of spread: lessons from the brackish Baltic Sea. Biological Invasions (in print). |
| 6. Leppäkoski, E. & S. Olenin (2000). Xenodiversity of the European brackish water seas: the North American contribution. Proc First Ntl Conf Marine Bioinvasions. Massachusetts Inst. Tech., Cambridge, Mass., January 25-27, 1999 (in print). |
| 7. Leppäkoski, E. (1994): Non-indigenous species in the Baltic Sea. In: Boudouresque, C. F.; Briand, F. & Nolan, C. (eds.), Introduced species in European Coastal Waters. Report of an international workshop. Bd. 8, European Commission, Luxembourg, 67-75 pp. |
| 8. Leppäkoski, E. (1994): The Baltic and the Black Sea - Seriously contaminated by nonindigenous species?. Proc. Conf. Wkshop. NOAA Seattle, USA, pp. 37-44. |
| 9. Leppäkoski, E. (1999). Balanus improvisus (Darwin 1854). In: Exotics Across the Ocean. Case Histories on Introduced Species (Gollasch, S., D. Minchin, H. Rosenthal & M. Voigt; Eds). Logos Verlag, Berlin. pp. 49-54. |
| 10. Leppäkoski, E., H. Helminen, J. Hänninen & M. Tallqvist (1999). Aquatic biodiversity under anthropogenic stress: an insight from the Archipelago Sea (SW Finland). Biodiv. Conserv. 8: 55-70. |
| 11. Olenin, S. & E. Leppäkoski (1999). Non-native animals in the Baltic Sea: alteration of benthic habitats in coastal inlets and lagoons. - Hydrobiologia 393: 233-243. |
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