/ UiT Norges arktiske universitet
 

Spotted catfish.JPG (Bredde: 180px)

Hemmingsen, Willy


Førsteamanuensis
Arktisk og marin biologi


Telefon: 776 44383
Mobil jobb / Mobil privat: 91889347 /
Epost : willy.hemmingsen@uit.no
Campus: Tromsø
Kontor/besøksadresse : NFH C 171 / Norges Fiskerihøgskole
Funksjon : Førsteamanuensis

Forskerprofil i Cristin

Klikk her

Arbeider i CRIStin

  • Poddubnaya, Larisa G; Hemmingsen, Willy; Gibson, David I.. Clamp ultrastructure of the basal monogenean Chimaericola leptogaster (Leuckart, 1830) (Polyopisthocotylea: Chimaericolidae). Parasitology Reseach 2014; Volum 113. ISSN 0932-0113.s 4023 - 4032.s doi: 10.1007/s00436-014-4070-y.
  • Das Neves, Carlos G; Ihlebæk, Hanne M.; Skjerve, Eystein; Hemmingsen, Willy; Li, Hong; Tryland, Morten. GAMMAHERPESVIRUS INFECTION IN SEMIDOMESTICATED REINDEER (RANGIFER TARANDUS TARANDUS): A CROSSSECTIONAL, SEROLOGIC STUDY IN NORTHERN NORWAY. Journal of Wildlife Diseases 2013; Volum 49 (2). ISSN 0090-3558.s 261 - 269.s doi: 10.7589/2012-07-185.
  • Poddubnaya, Larisa G; Hemmingsen, Willy; Gibson, David I.. Ultrastructural characteristics of the vaginae of the basal monogenean Chimaericola leptogaster (Leuckart, 1830). Parasitology Reseach 2013; Volum 112 (12). ISSN 0932-0113.s 4053 - 4064.s doi: 10.1007/s00436-013-3596-8.
  • MacKenzie, K.; Brickle, Paul; Hemmingsen, Willy; George-Nascimento, M.. Parasites of hoki, Macruronus magellanicus, in the Southwest Atlantic and Southeast Pacific Oceans, with an assessment of their potential value as biological tags. Fisheries Research 2013; Volum 145. ISSN 0165-7836.s 1 - 5.s doi: 10.1016/j.fishres.2013.03.008.
  • Kalavati, Chaganti; MacKenzie, Ken; Collins, Catherine; Hemmingsen, Willy; Brickle, Paul. Two new species of myxosporean parasites (Myxosporea: Bivalvulida) from gall bladders of Macruronus magellanicus Lonnberg, 1907 (Teleostei: Merlucciidae). Zootaxa 2013; Volum 3647 (4). ISSN 1175-5326.s 541 - 554.
  • Hemmingsen, Willy; MacKenzie, Ken. Latitudinal variations in the occurrence of some cod parasites along the west coast of Norway. Marine Biology Research 2013; Volum 9 (4). ISSN 1745-1000.s 431 - 436.s doi: 10.1080/17451000.2012.742548.
  • Sobecka, Ewa; Szostakowska, Beata; MacKenzie, Kenneth; Hemmingsen, Willy; Prajsnar, S.; Eydal, Matthías. Genetic and morphological variation in Echinorhynchus gadi Zoega in Muller, 1776 (Acanthocephala: Echinorhynchidae) from Atlantic cod Gadus morhua L.. Journal of Helminthology 2012; Volum 86 (1). ISSN 0022-149X.s 16 - 25.s doi: 10.1017/S0022149X10000891.
  • Heuch, Peter Andreas; Jansen, Peder Andreas; Hansen, Haakon; Sterud, Erik; MacKenzie, Ken; Haugen, Pål; Hemmingsen, Willy. Parasite faunas of farmed cod and adjacent wild cod populations in Norway: a comparison. Aquaculture Environment Interactions 2011; Volum 2. ISSN 1869-215X.s 1 - 13.s doi: 10.3354/aei00027.
  • Mackenzie, K; Collins, C; Kalavati, C; Hemmingsen, Willy. Myxidium finnmarchicum n. sp. (Myxosporea: Myxidiidae) from the gall bladder of whiting Merlangius merlangus (L.) (Pisces: Teleostei) in North Norway. Zootaxa 2010 (2673). ISSN 1175-5326.s 56 - 64.
  • Malovic, Ivana; Hemmingsen, Willy; MacKenzie, Ken. Trypanosome infections of marin fish in the southern Barents Sea and the invasive red king crab Paralithodes camtschaticus. Marine Pollution Bulletin 2010; Volum 60 (12). ISSN 0025-326X.s 2257 - 2262.s doi: 10.1016/j.marpolbul.2010.08.009.
  • MacKenzie, Ken; Hemmingsen, Willy; Jansen, Peder. A; Sterud, E; Haugen, Pål. Occurrence of the tuna nematode Hysterothylacium cornutum (Stossich, 1904) in farmed Atlantic cod Gadus morhua L. in North Norway. Polar Biology 2009; Volum 32 (7). ISSN 0722-4060.s 1087 - 1089.s doi: 10.1007/s00300-009-0642-1.
  • Haugen, Pål; Hemmingsen, Willy; MacKenzie, Ken. The distribution of Eustrongylides sp (Nematoda : Dioctophymatoidea) in brown trout Salmo trutta L. in the River Otra in southern Norway. Bulletin of The European Association of Fish Pathologists 2008; Volum 28. ISSN 0108-0288.s 138 - 143.
  • Lysne, D.A.; Hemmingsen, Willy; Skorping, A.. Is reduced body growth of cod exposed to the gill parasite Lernaeocera branchialis a cost of resistance?. Journal of Fish Biology 2006; Volum 69. ISSN 0022-1112.s 1281 - 1287.
  • Lysne, Dag Atle; Hemmingsen, Willy; Skorping, Arne. Is reduced body growth of cod exposed to the gill parasite Lernaeocera branchialis a cost of resistance?. Journal of Fish Biology 2006; Volum 69 (5). ISSN 0022-1112.s 1281 - 1287.
  • Hemmingsen, Willy; MacKenzie, Ken; Kalavati, C.; Gaard, M.. Myxosporean gall bladder parasites of gadid fishes in the North Atlantic: Their geographical distributions and an assessment of their economic importance in fisheries and mariculture.. Fisheries Research 2005; Volum 76 (3). ISSN 0165-7836.s 454 - 465.
  • Ivana, Malovic; Hemmingsen, Willy. Interrelationships of crabs, leeches, fish and trypanosomes in coastal waters of northern Norway.. Polar Research 2005. ISSN 0800-0395.
  • Hemmingsen, Willy; Jansen, Peder. A; MacKenzie, Ken. Crabs, leeches and trypanosomes: an unholy trinity?. Marine Pollution Bulletin 2005; Volum 50. ISSN 0025-326X.s 336 - 339.
  • Smith, J.W; Hemmingsen, Willy. Atlantic cod Gadus morhua L.: Visceral organ topography and the asymetrical distribution of larval ascaridoid nematodes in the musculature. Ophelia : International Journal of Marine Biology 2003; Volum 57. ISSN 0078-5326.s 137 - 144.
  • Hemmingsen, Willy; MacKenzie, K.. Potensial disease problems due to parasites in species of marine fish new to mariculture. Journal of Parasitology 2003; Volum 89. ISSN 0022-3395.
  • Nilssen, Arne Claus; Hemmingsen, Willy; Haugerud, Rolf E. Umulig å utrydde reinbrems med ivermektin?. Reindriftsnytt : Boazodoallu-Oddasat 2003; Volum 15. ISSN 0333-4031.s 62 - 63.
  • Nilssen, Arne Claus; Hemmingsen, Willy; Haugerud, Rolf E. Failure of two consecutive annual treatments with ivermectin to eradicate the reindeer parasites (Hypoderma tarandi, Cephenemyia trompe and Linguatula arctica) from an island in northern Norway. Rangifer 2002; Volum 22. ISSN 0333-256X.s 115 - 122.
  • Anderson, John R.; Nilssen, Arne Claus; Hemmingsen, Willy. Use of host-mimicking trap catches to determine which parasitic flies attack reindeer under different climatic conditions. Canadian-Field Naturalist 2001; Volum 115 (2). ISSN 0316-4411.s 274 - 286.
  • MacKenzie, K.; Hemmingsen, Willy; Jansen, P.. Interrelationships of crabs, leeches, fish and trypanosomes in coastal waters of North Norway.. Bulletin of the Scandinavian-Baltic Society for Parasitology 2000; Volum 10 (2). ISSN 0803-4907.s 80 - 83.
  • Hemmingsen, Willy; Halvorsen, O.; MacKenzie, K.. The occurence of parasites of cod, Gadus morhua L., in relation to age and sex of the host in Balsfjord (70 N), North Norway.. Polar Biology 2000; Volum 23. ISSN 0722-4060.s 368 - 372.
  • Nilssen, Arne C.; Åsbakk, Kjetil; Haugerud, Rolf E.; Hemmingsen, Willy; Oksanen, Antti. Treatment of reindeer with ivermectin - effect on dung insect fauna. Rangifer 1999; Volum 19 (2). ISSN 0333-256X.s 61 - 69.
  • Nilssen, Arne Claus; Åsbakk, K.; Haugerud, R. E.; Hemmingsen, Willy; Oksanen, A.. Treat-ment of reindeer with ivermectin - effect on dung insect fauna.. Rangifer 1999; Volum 19. ISSN 0333-256X.s 61 - 69.
  • Nilssen, Arne Claus; Åsbakk, Kjetil; Haugerud, Rolf E; Hemmingsen, Willy. Treatment of reindeer with ivermectin - effect on dung insect fauna. Rangifer 1999; Volum 19. ISSN 0333-256X.s 61 - 69.
  • Nilssen, Arne Claus; Haugerud, Rolf E; Åsbakk, Kjetil; Hemmingsen, Willy; Oksanen, Antti. Treatment of reindeer with ivermectin has little effect on dung insect fauna. Bulletin of the Scandinavian-Baltic Society for Parasitology 1999; Volum 9 (1). ISSN 0803-4907.s 46 - .
  • Lysne, D. A.; Skorping, A.; Hemmingsen, Willy. Transmission of Cryptocotyle lingua cercariae in natural environments: a field experiment.. Journal of Fish Biology 1998; Volum 53. ISSN 0022-1112.s 879 - 885.
  • Lysne, Dag Atle; Skorping, Arne; Hemmingsen, Willy. Transmission of Cryprocotyle lingua cercariae in natural environments: a field experiment.. Journal of Fish Biology 1998; Volum 53. ISSN 0022-1112.s 879 - 885.
  • Lysne, Dag Atle; Hemmingsen, Willy; Skorping, Arne. Regulation of infrapopulations of Cryptocotyle lingua on cod.. Parasitology 1997; Volum 114. ISSN 0031-1820.s 145 - 150.
  • Lysne, D. A.; Hemmingsen, Willy; Skorping, A.. Regulation of Infrapopulations of Cryptocotyle lingua on Cod.. Parasitology 1997; Volum 114. ISSN 0031-1820.s 145 - 150.
  • Lysne, Dag Atle; Hemmingsen, Willy; Skorping, Arne. Pepsin digestion reveals both previous and present infections of metacercariae in the skin of fish.. Fisheries Research 1995; Volum 24. ISSN 0165-7836.s 173 - 177.
  • Lysne, Dag Atle; Hemmingsen, Willy; Skorping, Arne. The distribution of Cryptocotyle spp. metacercariae in the skin of caged Atlantic cod (Gadus morhua L.). Journal of Fish Biology 1994; Volum 45. ISSN 0022-1112.s 352 - 355.
  • Heuch, Peter Andreas; Sterud, Erik; Jansen, Peder Andreas; Hansen, Haakon; Hemmingsen, Willy; Haugen, Pål; Bjørn, Pål Arne; MacKenzie, Kenneth. Parasitter på vill og oppdrettet torsk — en sammenligning. (omtale) 2011 (12). ISSN 1890-3290.
  • MacKenzie, Ken; Haugen, Pål; Hansen, Haakon; Heuch, Peter Andreas; Sterud, Erik; Jansen, Peder Andreas; Bjørn, Pål Arne; Hemmingsen, Willy. Parasittfaunaen hos villtorsk og oppdrettstorsk.. Frisk Fisk 2009-01-20 - 2009-01-21 2009.
  • Haugen, Pål; Hansen, H; Heuch, Peter Andreas; Sterud, E; Jansen, Peder. A; Bjørn, P.A.; MacKenzie, K.; Hemmingsen, Willy. Gyrodactylus parasites infecting farmed and wild cod in Norway - A report from COPDAR project. Torske konferansen i Tromsø 2008-02-13 - 2009-02-15 2008.
  • MacKenzie, Ken; Heuch, Peter Andreas; Sterud, Erik; Jansen, Peder Andreas; Hansen, Haakon; Haugen, Pål; Hemmingsen, Willy. Two new species of parasite and three new host records from cod in Norway. Sats på torsk 2008-02-13 - 2008-02-15 2008.
  • Haugen, Pål; Hansen, Haakon; Heuch, Peter Andreas; Sterud, Erik; Jansen, Peder Andreas; Bjørn, Pål Arne; MacKenzie, Ken; Hemmingsen, Willy. Gyrodactylus parasites infecting farmed and wild cod in Norway - a status report from the CODPAR project. Sats på torsk 2008-02-13 - 2008-02-15 2008.
  • Hemmingsen, Willy; MacKenzie, Ken; Jansen, Peder. A. 2.4.2. Report on trypanosome infections of cod in the southern Barents Sea (delrapport av en samling av flere rapporter). 2008.
  • MacKenzie, K.; Heuch, Peter Andreas; Hemmingsen, Willy; Jansen, Peder. A; Hansen, H; Sterud, E; Haugen, Pål; Bjørn, Pål Arne. Two new species of parasites and three new host records from cod in Norway. Torske konferanse i Tromsø 2008-02-13 - 2008-02-15 2008.
  • Heuch, Peter Andreas; Sterud, Erik; Hansen, Haakon; Jansen, Peder Andreas; Hemmingsen, Willy; Haugen, Pål; Bjørn, Pål Arne; MacKenzie, Ken. Comparative studies of the parasite fauna of farmed and wild Atlantic cod along the Norwegian coast. 7th International Symposium on Fish Parasites 2007-09-24 - 2007-09-28 2007.
  • Nilssen, Arne C.; Haugerud, Rolf E.; Åsbakk, Kjetil; Hemmingsen, Willy; Oksanen, Antti. Ødelegger ivermektin livet på Finnmarksvidda?. Reindriftsnytt : Boazodoallu-Oddasat 2003; Volum 2. ISSN 0333-4031.s 42 - 47.
  • Nilssen, Arne Claus; Hemmingsen, Willy; Haugerud, Rolf E. Omöjligt att utrota renbroms med ivermektin?. Boazodiehtu 2003; Volum 25.s 4 - 5.
  • Nilssen, Arne Claus; Haugerud, Rolf E; Åsbakk, Kjetil; Hemmingsen, Willy; Oksanen, Antti. Effect of ivermectin on reindeer dung fauna. 10th. Arctic Ungulate Conference 1999-08-09 - 1999-08-12 1999.
  • Nilssen, Arne Claus; Åsbakk, K.; Haugerud, R. E.; Hemmingsen, Willy; Oksanen, A.. Är ivermektin farligt för livet i naturen?. Boazodiehtu 1999; Volum 3 (99).s 1 - 3.
  • MacKenzie, K.; Hemmingsen, Willy. Actual and potential parasite problems in the mariculture of cod.. 17th International Conference of the World Association for the Advancement of Veterinary para-sitology 1999-08-15 - 1999-08-19 1999.
  • Åsbakk, K.; Nilssen, Arne Claus; Haugerud, R. E.; Bendiksen, H. R.; Hemmingsen, Willy; Oksanen, A.. Ivermectin i fæces fra rein.. Poster på Fiske- og dyrehelsemøtet 1999 1999-01-18 - 1999-01-20 1999.
  • Nilssen, Arne Claus; Hemmingsen, Willy; Haugerud, R. E.. Attempts to eradicate reindeer parasites (Hypoderma tarandi, Cephenemyia trompe and Linguatula arctica) on an island in northern Norway.. 10th Arctic Ungulate Conference 1999-08-09 - 1999-08-12 1999.
  • Nilssen, Arne Claus; Haugerud, R. E.; Åsbakk, K.; Hemmingsen, Willy; Oksanen, A.. Effect of ivermectin on reindeer dung fauna.. 10th Arctic Ungulate Conference 1999-08-09 - 1999-08-12 1999.
  • Nilssen, Arne Claus; Haugerud, R. E.; Åsbakk, K.; Hemmingsen, Willy; Oksanen, A.. Treatment of reindeer with ivermectin has little effect on dung insect fauna.. Ukjent 1999-01-01 - 1999.
  • Nilssen, Arne Claus; Haugerud, R. E.; Hemmingsen, Willy. Forsøk på å utrydde reinparasittene hudbrems, svelgbrems og bihulemark på øyer i Finnmark.. Poster og foredrag. Fagseminar for tamreinlagene i Sør-Norge 1999-10-09 - 1999-10-10 1999.
  • Nilssen, Arne Claus; Haugerud, Rolf E; Hemmingsen, Willy. Forsøk på å utrydde reinparasittene hudbrems, svelgbrems og bihulemark på øyer i Finnmark. Fagseminar for tamreinlagene i Sør-Norge 1999-10-09 - 1999-10-10 1999.
  • Nilssen, Arne Claus; Haugerud, Rolf E; Hemmingsen, Willy; Oksanen, Antti; Åsbakk, Kjetil; Bendiksen, Heidi Rogn. Ecological effects of ivermectin. Conference on Reindeer diseases and welfare in Northern Scandinavia 1998-05-13 - 1998-05-14 1998.
  • Lysne, D. A.; Skorping, A.; Hemmingsen, Willy. Does Host Finding Behaviour of the Cryptocotyle Lingua Cenoariae Affect the Transmission in Natural Environments.. 18th Symposium of the Scandinavian Society for Parasitology 1997-05-22 - 1997-05-24 1997.
  • Nilssen, Arne Claus; Haugerud, Rolf E; Hemmingsen, Willy; Oksanen, Antti; Åsbakk, Kjetil; Bendiksen, Heidi Rogn. Is treatment with ivermectin detrimental to the dung fauna of reindeer?. The 9th Nordic Conference on Reindeer Research 1996-11-18 - 1996-11-20 1996.
  • Medlem i forskningsgrupper:

    Arctic Marine System Ecology