| Parallel evolution of ecomorphological traits in the European whitefish Coregonus lavaretus (L.) species complex during postglacial times K Østbye, PA Amundsen, L Bernatchez, A Klemetsen, R Knudsen, ... Molecular Ecology 15 (13), 3983-4001, 2006 | 296 | 2006 |
| Salmon lice infection of wild sea trout and Arctic char in marine and freshwaters: the effects of salmon farms PA Bjørn, B Finstad, R Kristoffersen Aquaculture Research 32 (12), 947-962, 2001 | 278 | 2001 |
| Aggregation of helminths: the role of feeding behavior of fish hosts R Knudsen, MA Curtis, R Kristoffersen Journal of Parasitology 90 (1), 1-7, 2004 | 110 | 2004 |
| Resource competition and interactive segregation between sympatric whitefish morphs PA Amundsen, R Knudsen, A Klemetsen, R Kristoffersen Annales Zoologici Fennici, 301-307, 2004 | 94 | 2004 |
| Takvatn through 20 years: long-term effects of an experimental mass removal of Arctic charr, Salvelinus alpinus, from a subarctic lake A Klemetsen, PA Amundsen, PE Grotnes, R Knudsen, R Kristoffersen, ... Ecology, behaviour and conservation of the charrs, genus Salvelinus, 39-47, 2002 | 91 | 2002 |
| Parasite communities in two sympatric morphs of Arctic charr, Salvelinus alpinus (L.), in northern Norway R Knudsen, R Kristoffersen, PA Amundsen Canadian Journal of Zoology 75 (12), 2003-2009, 1997 | 85 | 1997 |
| New parasites and predators follow the introduction of two fish species to a subarctic lake: implications for food-web structure and functioning PA Amundsen, KD Lafferty, R Knudsen, R Primicerio, R Kristoffersen, ... Oecologia 171, 993-1002, 2013 | 84 | 2013 |
| Area protection may reduce salmon louse infection risk to wild salmonids PA Bjørn, R Sivertsgård, B Finstad, R Nilsen, RM Serra-Llinares, ... Aquaculture Environment Interactions 1 (3), 233-244, 2011 | 77 | 2011 |
| Seasonal and ontogenetic dynamics in trophic transmission of parasites PA Amundsen, R Knudsen, AM Kuris, R Kristoffersen Oikos 102 (2), 285-293, 2003 | 59 | 2003 |
| Infection of whitefish (Coregonus lavaretus L. sl) by Triaenophorus crassus Forel (Cestoda: Pseudophyllidea): a case study in parasite control PA Amundsen, R Kristoffersen Canadian Journal of Zoology 68 (6), 1187-1192, 1990 | 49 | 1990 |
| Food borne parasites as indicators of trophic segregation between Arctic charr and brown trout R Knudsen, PA Amundsen, R Nilsen, R Kristoffersen, A Klemetsen Environmental Biology of Fishes 83, 107-116, 2008 | 48 | 2008 |
| Differences in risks and consequences of salmon louse, Lepeophtheirus salmonis (Krøyer), infestation on sympatric populations of Atlantic salmon, brown trout, and … PA Bjørn, B Finstad, R Kristoffersen, RS McKinley, AH Rikardsen ICES Journal of Marine Science 64 (2), 386-393, 2007 | 48 | 2007 |
| Parasite communities of two three-spined stickleback populations in subarctic Norway—effects of a small spatial-scale host introduction JA Kuhn, R Kristoffersen, R Knudsen, J Jakobsen, DJ Marcogliese, ... Parasitology Research 114, 1327-1339, 2015 | 45 | 2015 |
| Retur: en nordisk undersøgelse af recidiv blant klienter i kriminalforsorgen HM Graunbøl, B Kielstrup, ML Muiluvuori, S Tyni, ES Baldursson, ... Kriminalomsorgens utdanningssenter, 2010 | 45 | 2010 |
| Seasonal dynamics and persistence of Gyrodactylus salaris in two riverine anadromous Arctic charr populations AC Winger, M Kanck, R Kristoffersen, R Knudsen Environmental Biology of Fishes 83, 117-123, 2008 | 43 | 2008 |
| Infection of Salmincola edwardsii (Copepoda: Lernaeopodidae) in an age‐structured population of Arctic charr—a long‐term study PA Amundsen, R Kristoffersen, R Knudsen, A Klemetsen Journal of Fish Biology 51 (5), 1033-1046, 1997 | 40 | 1997 |
| Occurrence of the digenean Cryptocotyle lingua in farmed Arctic charr Salvelinus alpinus and periwinkles Littorina littorea sampled close to charr farms in northern Norway R Kristoffersen Diseases of Aquatic Organisms 12 (1), 59-65, 1991 | 38 | 1991 |
| The contribution of imprisonment and release to fatal overdose among a cohort of Norwegian drug abusers E Ødegård, EJ Amundsen, KB Kielland, R Kristoffersen Addiction Research & Theory 18 (1), 51-58, 2010 | 37 | 2010 |
| Long‐term ecological studies in northern lakes—challenges, experiences, and accomplishments PA Amundsen, R Primicerio, A Smalås, EH Henriksen, R Knudsen, ... Limnology and Oceanography 64 (S1), S11-S21, 2019 | 36 | 2019 |
| Ontogenetic dynamics of infection with Diphyllobothrium spp. cestodes in sympatric Arctic charr Salvelinus alpinus (L.) and brown trout Salmo trutta L. EH Henriksen, R Knudsen, R Kristoffersen, AM Kuris, KD Lafferty, ... Hydrobiologia 783, 37-46, 2016 | 32 | 2016 |
