| Organism incorporation into newly forming Arctic sea ice in the Greenland Sea R Gradinger, J Ikävalko Journal of Plankton Research 20 (5), 871-886, 1998 | 164 | 1998 |
| Flagellates and heliozoans in the Greenland Sea ice studied alive using light microscopy J Ikävalko, R Gradinger Polar Biology 17, 473-481, 1997 | 96 | 1997 |
| Sea-ice algae in Arctic pack ice during late winter I Werner, J Ikävalko, H Schünemann Polar Biology 30, 1493-1504, 2007 | 86 | 2007 |
| The Baltic Sea ice biota (March 1994): a study of the protistan community J Ikävalko, HA Thomsen European Journal of Protistology 33 (3), 229-243, 1997 | 85 | 1997 |
| A redescription of Scrippsiella hangoei (Schiller) comb. nov.–a ‘red tide’dinoflagellate from the northern Baltic J Larsen, H Kuosa, J Ikävalko, K Kivi, S Hällfors Phycologia 34 (2), 135-144, 1995 | 69 | 1995 |
| Further observations on flagellates within sea ice in northern Bothnian Bay, the Baltic Sea J Ikävalko Polar Biology 19, 323-329, 1998 | 48 | 1998 |
| New observations on the heterotrophic protist genus Thaumatomastix (Thaumatomastigaceae, Protista incertae sedis), with particular emphasis on material from the Baltic Sea HA Thomsen, G Hällfors, S Hällfors, J Ikävalko Annales Botanici Fennici, 87-108, 1993 | 29 | 1993 |
| Ice tank studies of physical and biological sea-ice processes H Eicken, J Weissenberger, I Bussmann, J Freitag, W Schuster, ... Ice in surface waters. Proceedings of the 14th International Symposium on …, 1998 | 27 | 1998 |
| A Preliminary Study of NE Greenland Shallow Meltwater Ponds with Particular Emphasis on Loricate and Scale-covered Forms (Choanoflagellida, Chrysophyceae sensu lato … J IkÄvalko, HA Thomsen, M Carstens Archiv für Protistenkunde 147 (1), 29-42, 1996 | 26 | 1996 |
| Role of sea-ice biota in nutrient and organic material cycles in the northern Baltic Sea J Kuparinen, H Kuosa, A Andersson, R Autio, MA Granskog, J Ikävalko, ... AMBIO: A Journal of the Human Environment 36 (2), 149-154, 2007 | 25 | 2007 |
| Scale-covered and loricate flagellates (Chrysophyceae and Synurophyceae) from Baltic Sea ice J Ikävalko, HA Thomsen Nova Hedwigia Beiheft 114, 147-160, 1996 | 25 | 1996 |
| Observations on silica-scaled flagellates (Chrysophyceae and Synurophyceae) in the brackish water of Pojo Bay, SW coast of Finland J IKÄVALKO Annales Botanici Fennici, 1-27, 1994 | 25 | 1994 |
| Removal by sorption and in situ biodegradation of oil spills limits damage to marine biota: a laboratory simulation S Suni, K Koskinen, S Kauppi, E Hannula, T Ryynänen, A Aalto, ... Ambio: A Journal of the human environment 36 (2), 173-179, 2007 | 22 | 2007 |
| Contribution to the flora of silica-scaled flagellates in Mikkeli, central Finland J Ikävalko Nova Hedwigia 58 (3-4), 475-506, 1994 | 19 | 1994 |
| Species of Thaumatomastix (Thaumatomastigidae, Protista incertae sedis) from the Arctic sea ice biota (north-east water polynya, NE Greenland) HA Thomsen, J Ikävalko Journal of marine systems 10 (1-4), 263-277, 1997 | 18 | 1997 |
| Arctic cooperation in a new situation: Analysis on the impacts of the Russian war of aggression T Koivurova, M Heikkilä, J Ikävalko, S Kirchner, S Kopra, H Mikkola, ... fi= Valtioneuvoston kanslia| sv= Statsrådets kansli| en= Prime Minister's …, 2022 | 16 | 2022 |
| Three new species of Thaumatomastix (Thaumatomastigidae, Protista incertae sedis), a ubiquitous genus from the Antarctic ice biota HA Thomsen, C Kosman, J Ikävalko European journal of protistology 31 (2), 174-181, 1995 | 13 | 1995 |
| Checklist of unicellular and invertebrate organisms within and closely associated with sea ice in the Arctic regions J Ikävalko Finnish Institute of Marine Research, 2004 | 11 | 2004 |
| Effects of oil and gas activity on the environment and human health C Macdonald, L Lockhart, A Gilman, T Baker, T Bakke, D Cantin, M Dam, ... Assessment 2007: Oil and gas activities in the Arctic-effects and potential …, 2010 | 10 | 2010 |
| On the presence of some selected Heterokontophyta (Chrysophyceae, Dictyochophyceae, Bicocoecida) and cysts (" archaeomonads") from sea ice-a synopsis J Ikavalko NOVA HEDWIGIA BEIHEFT 122, 41-54, 2001 | 10 | 2001 |
