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2019
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| 1. | Cramer, Emily Rebecca A; Rowe, Melissah; Eroukhmanoff, Fabrice; Lifjeld, Jan Terje; Sætre, Glenn-Peter; Johnsen, Arild. Measuring sperm swimming performance in birds: effects of dilution, suspension medium, mechanical agitation, and sperm number. Journal of Ornithology = Journal fur Ornithologie 2019 p. 1-11 UiO |
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| 2. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Merkel, Marie Kristine Føreid; Kongshavn, Katrine; Marthinsen, Gunnhild. Five years as national research infrastructure: status of the Norwegian Barcode of Life Network (NorBOL). 8th International Barcode of Life Conference; 2019-06-17 - 2019-06-20 NTNU UiB UiO UiT |
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| 3. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Merkel, Marie Kristine Føreid; Kongshavn, Katrine; Marthinsen, Gunnhild. Five years as national research infrastructure: status of the Norwegian Barcode of Life Network (NorBOL). Genome 2019 ;Volume 62.(6) p. 369- NTNU UiB UiO UiT |
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| 4. | Lifjeld, Jan Terje; Gohli, Jostein; Albrecht, Tomas; Garcia-del-Rey, Eduardo; Johannessen, Lars Erik; Kleven, Oddmund; Marki, Petter Zahl; Omotoriogun, Taiwo Crossby; Rowe, Melissah; Johnsen, Arild. Evolution of female promiscuity in Passerides songbirds. BMC Evolutionary Biology 2019 ;Volume 19.(1) NINA UiO |
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| 5. | Støstad, Hanna Nyborg; Rowe, Melissah; Johnsen, Arild; Lifjeld, Jan Terje. Sperm head abnormalities are more frequent in songbirds with more helical sperm: A possible trade-off in sperm evolution. Journal of Evolutionary Biology 2019 p. 1-9 UiO |
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| 6. | Støstad, Hanna Nyborg; Rowe, Melissah; Johnsen, Arild; Tomasek, Oldrich; Albrecht, Tomas; Lifjeld, Jan Terje. Sperm head abnormalities are associated with excessive omega-6 fatty acids in two finch species feeding on sunflower seeds. Journal of Avian Biology 2019 ;Volume 50.(3) p. 1-12 UiO |
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2018
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| 7. | Johnsen, Arild; Gjesdal, Trine-Lise. Møt en forsker: zoolog Arild Johnsen. Nysgjerrigper [Journal] 2018-08-07 UiO |
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| 8. | Kearns, Anna Marika; Restani, Marco; Szabo, Ildiko; Schrøder-Nielsen, Audun; Kim, Jin Ah; Richardson, Hayley M.; Marzluff, John M.; Fleischer, Robert C.; Johnsen, Arild; Omland, Kevin E.. Genomic evidence of speciation reversal in ravens. Nature Communications 2018 ;Volume 9.(1) UiO |
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| 9. | Králová, Tereza; Albrecht, Tomas; Bryja, Josef; Horák, David; Johnsen, Arild; Lifjeld, Jan Terje; Novotny, Marian; Sedlacek, Ondrej; Velova, Hana; Vinkler, Michal. Signatures of diversifying selection and convergence acting on passerine Toll-like receptor 4 in an evolutionary context. Molecular Ecology 2018 ;Volume 27.(13) p. 2871-2883 UiO |
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| 10. | Magnussen, Trude; Kjærandsen, Jostein; Johnsen, Arild; Søli, Geir Einar Ellefsen. Six new species of Afrotropical Allodia (Diptera: Mycetophilidae): DNA barcodes indicate recent diversification with a single origin. Zootaxa 2018 ;Volume 4407.(3) p. 301-320 UiO UiT |
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| 11. | Rekdal, Silje Larsen; Anmarkrud, Jarl Andreas; Johnsen, Arild; Lifjeld, Jan Terje. Genotyping strategy matters when analyzing hypervariable major histocompatibility complex-Experience from a passerine bird. Ecology and Evolution 2018 ;Volume 8.(3) p. 1680-1692 UiO |
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| 12. | Støstad, Hanna Nyborg; Johnsen, Arild; Lifjeld, Jan Terje; Rowe, Melissah. Sperm head morphology is associated with sperm swimming speed: a comparative study of songbirds using electron microscopy. Evolution 2018 ;Volume 72.(9) p. 1918-1932 UiO |
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| 13. | Sætre, Camilla Lo Cascio; Johnsen, Arild; Stensrud, Even; Cramer, Emily Rebecca A. Sperm morphology, sperm motility and paternity success in the bluethroat (Luscinia svecica). PLOS ONE 2018 ;Volume 13.(3) UiO |
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| 14. | Torgersen, Eivind; Johnsen, Arild. To ravner er blitt én. Forskning.no [Internet] 2018-03-02 UiO |
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2017
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| 15. | Boumans, Louis; Hogner, Silje; Brittain, John Edward; Johnsen, Arild. Ecological speciation by temporal isolation in a population of the stonefly Leuctra hippopus (Plecoptera, Leuctridae). Ecology and Evolution 2017 ;Volume 7.(5) p. 1635-1649 UiO |
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| 16. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Kongshavn, Katrine; Merkel, Marie Kristine Føreid; Marthinsen, Gunnhild. The Norwegian Barcode of Life Network (NorBOL). DNAqua-Net Kick-off Conference; 2017-03-07 - 2017-03-08 NTNU UiB UiO UiT |
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| 17. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Merkel, Marie Kristine Føreid; Kongshavn, Katrine; Marthinsen, Gunnhild; Pitelkova, Iva. Progress and prospects of the Norwegian Barcode of Life Network (NorBOL). 7th International Barcode of Life Conference; 2017-11-20 - 2017-11-24 NTNU UiB UiO UiT |
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| 18. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Merkel, Marie Kristine Føreid; Kongshavn, Katrine; Marthinsen, Gunnhild; Pitelkova, Iva. Progress and prospects of the Norwegian Barcode of Life Network (NorBOL). Genome 2017 ;Volume 60.(11) p. 930-930 NTNU UiB UiO UiT |
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| 19. | Garcia, Javier; Johnsen, Arild; Fuertes, Benito; Suarez-Seoane, Susana. Evolutionary divergences in Luscinia svecica subspecies complex - New evidence supporting the uniqueness of the Iberian bluethroat breeding populations. Ornis Fennica 2017 ;Volume 94.(3) p. 141-149 UiO |
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| 20. | Johnsen, Arild. Cryptic female choice at the intra- and interspecific level in passerines: what are the molecular mechanisms?. GoCAS 2017; 2017-04-24 - 2017-04-26 UiO |
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| 21. | Johnsen, Arild. DNA barcoding at NHM. Science and application. NorBOL workshop 2017; 2017-02-07 - 2017-02-07 UiO |
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| 22. | Johnsen, Arild. Speciation reversal in ravens. Hybridization: Causes and consequences for speciation; 2017-12-14 - 2017-12-14 UiO |
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| 23. | Johnsen, Arild. Sperm competition in birds: from individual to sperm behaviour. Seminar in behavioural ecology, in honor of Professor Tore Slagsvold's retirement; 2017-12-07 - 2017-12-07 UiO |
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| 24. | Johnsen, Arild. Utroskap, sjalusi og spermier hos småfugl. Vin og Vitenskap; 2017-06-15 - 2017-06-15 UiO |
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| 25. | Johnsen, Arild. Øvre Heimdalen field station. Summary and future prospects. Heimdalenseminar; 2017-03-28 - 2017-03-28 UiO |
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| 26. | Johnsen, Arild; Kearns, Anna Marika; Omland, Kevin E.; Anmarkrud, Jarl Andreas. Sequencing of the complete mitochondrial genome of the common raven Corvus corax (Aves: Corvidae) confirms mitogenome-wide deep lineages and a paraphyletic relationship with the Chihuahuan raven C. cryptoleucus. PLOS ONE 2017 ;Volume 12.(10) UiO |
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| 27. | Johnsen, Arild; Pauliny, Angela; Lifjeld, Jan Terje; Blomqvist, Donald. Is telomere length associated with mate choice in a songbird with a high rate of extrapair paternity?. PLOS ONE 2017 ;Volume 12.(8) UiO |
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| 28. | Magnussen, Trude; Søli, Geir Einar Ellefsen; Johnsen, Arild; Kjærandsen, Jostein. DNA barcode libraries - A treasure chest for alpha taxonomy. 17th International Barcode of Life Conference; 2017-11-21 - 2017-11-24 UiO UiT |
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| 29. | Marthinsen, Gunnhild; Bendiksby, Mika; Brandrud, Tor Erik; Dima, Bálint; Hansen, Lars Ove; Johnsen, Arild; Lindemann, Jon Peder; Timdal, Einar. Discordance between morphology and DNA barcodes in lichens, fungi and insects. 7th International Barcode of Life Conference; 2017-11-20 - 2017-11-24 NINA UiO UiT |
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| 30. | Ålund, Murielle; Cramer, Emily Rebecca A; McFarlane, Eryn; Johnsen, Arild; Qvarnström, Anna. Females discriminate against heterospecific sperm in a natural hybrid zone. Progress, synthesis and integration at the frontiers of speciation research; 2017-02-19 - 2017-02-24 UiO |
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2016
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| 31. | Cramer, Emily Rebecca A; Stensrud, Even; Marthinsen, Gunnhild; Hogner, Silje; Johannessen, Lars Erik; Laskemoen, Terje; Eybert, Marie-Christine; Slagsvold, Tore; Lifjeld, Jan Terje; Johnsen, Arild. Sperm performance in conspecific and heterospecific female fluid. Ecology and Evolution 2016 UiO |
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| 32. | Cramer, Emily Rebecca A; Ålund, Murielle; McFarlane, S. Eryn; Johnsen, Arild; Qvarnström, Anna. Females discriminate against heterospecific sperm in a natural hybrid zone. Evolution 2016 ;Volume 70.(8) p. 1844-1855 UiO |
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| 33. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Merkel, Marie Kristine Føreid; Kongshavn, Katrine; Marthinsen, Gunnhild; Stur, Elisabeth. The Norwegian Barcode of Life Network (NorBOL). Network for Arthropods of the Tundra; 2016-11-15 - 2016-11-16 NTNU UiB UiO UiT |
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| 34. | Eroukhmanoff, Fabrice; Rowe, Melissah; Cramer, Emily Rebecca A; Haas, Fredrik; Hermansen, Jo Skeie; Runemark, Anna; Johnsen, Arild; Sætre, Glenn-Peter. Experimental evidence for ovarian hypofunction in sparrow hybrids. Avian Research 2016 ;Volume 7. UiO |
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| 35. | Johnsen, Arild. Heimdalen: Bird research and future prospects. NHM Science seminar; 2016-11-07 - 2016-11-08 UiO |
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| 36. | Johnsen, Arild. Nå kommer fuglene - møt eksperten og entusiasten. NRK P2 - Ekko helg [Radio] 2016-05-07 UiO |
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| 37. | Johnsen, Arild; Danielsen, Dag Inge. Utroskap blant fluesnappere gir færre hybridfugler. Forskning.no [Internet] 2016-09-26 UiO |
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| 38. | Johnsen, Arild; Rekdal, Silje Larsen. Drifter. NRK - Ut i naturen [TV] 2016-11-08 UiO |
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| 39. | Lemoine, Melissa; Lucek, Kay; Perrier, Charles; Saladin, Verena; Adriaensen, Frank; Barba, Emilio; Belda, Eduardo J; Charmantier, Anne; Cichon, Mariusz; Eeva, Tapio; Gregoire, Arnaud; Hinde, Camilla A; Johnsen, Arild; Komdeur, Jan; Mänd, Raivo; Matthysen, Erik; Norte, Ana Claudia; Pitala, Natalia; Sheldon, Ben C; Slagsvold, Tore; Tinbergen, Joost M; Török, Janos; Ubels, Richard; van Oers, Kees; Visser, Marcel E; Doligez, Blandine; Richner, Heinz. Low but contrasting neutral genetic differentiation shaped by winter temperature in European great tits. Biological Journal of the Linnean Society 2016 ;Volume 118.(3) p. 668-685 UiO |
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| 40. | Lifjeld, Jan Terje; Anmarkrud, Jarl Andreas; Calabuig, Pascual; Cooper, Joseph E.J.; Johannessen, Lars Erik; Johnsen, Arild; Kearns, Anna Marika; Lachlan, Robert F.; Laskemoen, Terje; Marthinsen, Gunnhild; Stensrud, Even; Garcia-del-Rey, Eduardo. Species-level divergences in multiple functional traits between the two endemic subspecies of Blue Chaffinches Fringilla teydea in Canary Islands. BMC Zoology 2016 UiO |
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| 41. | Mutanen, Marko; Kivelä, Sami M.; Vos, Rutger A.; Doorenweerd, Camiel; Ratnasingham, Sujeevan; Hausmann, Axel; Huemer, Peter; Dincă, Vlad; Van Nieukerken, Erik J.; Lopez-Vaamonde, Carlos; Vila, Roger; Aarvik, Leif; Decaëns, Thibaud; Efetov, Konstantin A.; Hebert, Paul D.N.; Johnsen, Arild; Karsholt, Ole; Pentinsaari, Mikko; Rougerie, Rodolphe; Segerer, Andreas H.; Tarmann, Gerhard; Zahiri, Reza; Godfray, H. Charles J.. Species-level para- and polyphyly in DNA barcode gene trees: Strong operational bias in European Lepidoptera. Systematic Biology 2016 ;Volume 65.(6) p. 1024-1040 UiO |
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| 42. | Støstad, Hanna Nyborg; Rekdal, Silje Larsen; Kleven, Oddmund; Laskemoen, Terje; Marthinsen, Gunnhild; Johnsen, Arild; Lifjeld, Jan Terje. Weak geographical structure in sperm morphology across the range of two willow warbler Phylloscopus trochilus subspecies in Scandinavia. Journal of Avian Biology 2016 ;Volume 47.(5) p. 731-741 NINA UiO |
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2015
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| 43. | Boumans, Louis; Johnsen, Arild. Stonefly duets: vibrational sexual mimicry can explain complex patterns. Journal of ethology 2015 ;Volume 33.(2) p. 87-107 UiO |
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| 44. | Cramer, Emily Rebecca A; Laskemoen, Terje; Stensrud, Even; Rowe, Melissah; Haas, Fredrik; Lifjeld, Jan Terje; Sætre, Glenn-Peter; Johnsen, Arild. Morphology-function relationships and repeatability in the sperm of Passer sparrows. Journal of morphology 2015 ;Volume 276.(4) p. 370-377 UiO |
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| 45. | Cramer, Emily Rebecca A; Ålund, Murielle; McFarlane, S. Eryn; Johnsen, Arild; Qvarnström, Anna. A post-copulatory pre-zygotic barrier between collared and pied flycatchers. XVth Congress of the European Society for Evolutionary Biology; 2015-08-10 - 2015-08-14 UiO |
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| 46. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Føreid, Marie Kristine; Kongshavn, Katrine; Marthinsen, Gunnhild. The Norwegian Barcode of Life Network (NorBOL). 6th International Barcode of Life Conference; 2015-08-18 - 2015-08-21 NTNU UiB UiO UiT |
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| 47. | Ekrem, Torbjørn; Alsos, Inger Greve; Johnsen, Arild; Willassen, Endre; Aspaas, Aina Mærk; Føreid, Marie Kristine; Kongshavn, Katrine; Marthinsen, Gunnhild. The Norwegian Barcode of Life Network (NorBOL). Genome 2015 ;Volume 58.(5) p. - NTNU UiB UiO UiT |
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| 48. | Hogner, Silje; Riera, Albert Burgas; Wold, Margrethe; Lifjeld, Jan Terje; Johnsen, Arild. Intergeneric hybridization between Common Redstart Phoenicurus phoenicurus and Whinchat Saxicola rubetra revealed by molecular analyses. Journal of Ornithology 2015 ;Volume 156. p. 829-836 UiO |
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| 49. | Johnsen, Arild. The early stages of the speciation process - prezygotic reproductive isolation and diversification in passerines: final report. NHM Science seminar; 2015-11-03 - 2015-11-04 UiO |
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| 50. | Johnsen, Arild. Using genetic resources in biosystematic research: examples from the NHMO DNA bank. Genetic collections and Biodiversity Research and Conservation Workshop; 2015-11-18 - 2015-11-20 UiO |
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