/ UiT Norges arktiske universitet
 

Arbeider i CRIStin

  • Tamelander, Tobias; Aubert, Anais; Wexels Riser, Christian. Export stoichiometry and contribution of copepod faecal pellets to vertical flux of particulate organic carbon, nitrogen and phosphorus. Marine Ecology Progress Series 2012; Volum 459. ISSN 0171-8630.s 17 - 28.s doi: 10.3354/meps09733.

  • Svensen, Camilla; Wexels Riser, Christian; Reigstad, Marit; Seuthe, Lena. Degradation of copepod faecal pellets in the upper layer: role of microbial community and Calanus finmarchicus. Marine Ecology Progress Series 2012; Volum 462. ISSN 0171-8630.s 39 - 49.s doi: 10.3354/meps09808.

  • Skardhamar, Jofrid; Reigstad, Marit; Carroll, Jolynn; Eiane, Ketil; Wexels Riser, Christian; Slagstad, Dag. Effects of mortality changes on biomass and production in Calanus spp. populations. Aquatic Biology 2011; Volum 12 (2). ISSN 1864-7790.s 129 - 145.s doi: 10.3354/ab00321.

  • Krivokapić, Slađana; Pestorić, Branka; Bosak, Sunčica; Kušpilić, Grozdan; Wexels Riser, Christian. TROPHIC STATE OF BOKA KOTORSKA BAY (SOUTH-EASTERN ADRIATIC SEA). Fresenius Environmental Bulletin 2011; Volum 20 (8). ISSN 1018-4619.s 1960 - 1969.

  • Mauritzen, Cecilie; Hansen, Edmond; Andersson, Maria Helena; Berx, Barbara; Beszczynska-Möller, Agnieszka; Burud, Ingunn; Christensen, Kai Håkon; Debernard, Jens; Steur, Laura de; Dodd, Paul; Gerland, Sebastian; Godøy, Øystein Arne; Hansen, Bogi; Hudson, Stephen; Høydalsvik, Frode; Ingvaldsen, Randi; Isachsen, Pål Erik; Kasajima, Yoshie; Koszalka, Inga; Kovacs, Kit; Køltzow, Morten Ø.; Lacasce, Joseph Henry; Lee, Craig M.; Lavergne, Thomas; Lydersen, Christian; Nicolaus, Marcel; Nilsen, Frank; Nøst, Ole Andres; Orvik, Kjell Arild; Reigstad, Marit; Schyberg, Harald; Seuthe, Lena; Skagseth, Øystein; Skardhamar, Jofrid; Skogseth, Ragnheid; Sperrevik, Ann; Svensen, Camilla; Søiland, Henrik; Teigen, Sigurd Henrik; Tverberg, Vigdis; Wexels Riser, Christian. Closing the loop - Approaches to monitoring the state of the Arctic Mediterranean during the International Polar Year 2007-2008. Progress in Oceanography 2011; Volum 90 (1-4). ISSN 0079-6611.s 62 - 89.s doi: 10.1016/j.pocean.2011.02.010.

  • Wexels Riser, Christian; Reigstad, Marit; Wassmann, Paul. Zooplankton-mediated carbon export: A seasonal study in a northern Norwegian fjord. Marine Biology Research 2010; Volum 6 (5). ISSN 1745-1000.s 461 - 471.s doi: 10.1080/17451000903437067.

  • Svensen, Camilla; Wexels Riser, Christian; Cetinic, N; Caric, Marina. Vertical flux regulation and plankton composition in a simple ecological system: snapshots from the small marine Lake Rogoznica (Croatia). Acta Adriatica 2008; Volum 49. ISSN 0001-5113.s 37 - 51.

  • Reigstad, Marit; Wexels Riser, Christian; Wassmann, Paul Friedrich; Ratkova, Tatjana. Vertical export of particulate organic carbon: Attenuation, composition and loss rates in the northern Barents Sea. Deep-sea research. Part II, Topical studies in oceanography 2008; Volum 55 (20/21). ISSN 0967-0645.s 2308 - 2319.s doi: 10.1016/j.dsr2.2008.05.007.

  • Wexels Riser, Christian; Wassmann, Paul Friedrich; Reigstad, Marit; Seuthe, Lena. Vertical flux regulation by zooplankton in the northern Barents Sea during Arctic spring.. Deep-sea research. Part II, Topical studies in oceanography 2008; Volum 55 (20-21). ISSN 0967-0645.s 2320 - 2329.s doi: 10.1016/j.dsr2.2008.05.006.

  • Ban, Syuhei; Ohi, Nobuaki; Leong, Sandric Chee Yew; Takahashi, Kunio T.; Wexels Riser, Christian; Taguchi, Satoru. Effect of solar ultraviolet radiation on survival of krill larvae and copepods in Antarctic Ocean. Polar Biology 2007; Volum 30. ISSN 0722-4060.s 1295 - 1302.s doi: 10.1007/s00300-007-0290-2.

  • Wexels Riser, Christian; Reigstad, Marit; Wassmann, Paul Friedrich; Arashkevich, Elena; Falk-Petersen, Stig. Export or retention? Copepod abundance, faecal pellet production and vertical flux in the marginal ice zone through snap shots from the northern Barents Sea. Polar Biology 2007; Volum 30 (6). ISSN 0722-4060.s 719 - 730.s doi: 10.1007/s00300-006-0229-z.

  • Seuthe, Lena; Darnis, Gerald; Wexels Riser, Christian; Wassmann, Paul Friedrich; Fortier, Louis. Winter-spring feeding and metabolism of Arctic copepods: insights from faecal pellet production and respiration measurements in the southeastern Beaufort Sea. Polar Biology 2007; Volum 30 (4). ISSN 0722-4060.s 427 - 436.s doi: 10.1007/s00300-006-0199-1.

  • Koski, Marja; Wexels Riser, Christian. Post-bloom feeding of Calanus finmarchicus copepodites: Selection for autotrophic versus heterotrophic prey. Marine Biology Research 2006; Volum 2. ISSN 1745-1000.s 109 - 119.s doi: 10.1080/17451000600684367.

  • Wassmann, Paul Friedrich; Slagstad, Dag; Wexels Riser, Christian; Reigstad, Marit. Modelling the ecosystem dynamics of the Barents Sea including the marginal ice zone. II. Carbon flux and interannual variability. Journal of Marine Systems 2006; Volum 59. ISSN 0924-7963.s 1 - 24.

  • Jansen, Sandra; Wexels Riser, Christian; Wassmann, Paul Friedrich; Bathmann, Ulrich. Copepod feeding behaviour and egg production during a dinoflagellate bloom in the North Sea. Harmful Algae 2006; Volum 5. ISSN 1568-9883.s 102 - 112.

  • Svensen, Camilla; Strogyloudi, E; Wexels Riser, Christian; Dahlmann, J; Legrand, C; Wassmann, Paul Friedrich; Graneli, E; Pagou, K. Reduction of cyanobacterial toxins through coprophagy in Mytilus edulis. Harmful Algae 2005; Volum 4. ISSN 1568-9883.

  • Reigstad, Marit; Wexels Riser, Christian; Svensen, Camilla. Fate of copepod faecal pellets and the role of Oithona spp.. Marine Ecology Progress Series 2005; Volum 304. ISSN 0171-8630.s 265 - 270.

  • Pasternak, Anna; Wassmann, Paul Friedrich; Wexels Riser, Christian. Does mesozooplankton respond to episodic nutrient inputs in the eastern Mediterranean?. Deep-sea research. Part II, Topical studies in oceanography 2005; Volum 52. ISSN 0967-0645.s 2975 - 2989.

  • Krom, Michael d.; Woodward, Malcolm s.; Herut, Barak; Kress, Nurit; Carbo, Patricia; Mantoura, Fauzi C.; Spyres, G.; Thingstad, T. frede; Wassmann, Paul Friedrich; Wexels Riser, Christian; Kitidis, V.; Law, Cliff s.; Zodiatis, George. Nutrient cycling in the south east Levantine basin of the eastern Mediterranean: Results from a phosphorus starved system. Deep-sea research. Part II, Topical studies in oceanography 2005; Volum 52. ISSN 0967-0645.s 2879 - 2896.

  • Thingstad, T. frede; Krom, Michael d.; Mantoura, Fauzi C.; Mantoura, RFC; Flaten, Gro Anita Fonnes; Fonnes flaten, Gro anita; Groom, Steve; Herut, Barak; Kress, Nurit; Law, Cliff s.; Pasternak, Anna; Pitta, Paraskevi; Psarra, Stella; Rassoulzadegan, Fereidoun; Tanaka, Tsuneo; Tselepides, Anastasios; Wassmann, Paul Friedrich; Woodward, Malcolm s.; Woodward, EMS; Riser, CW; Wexels Riser, Christian; Zodiatis, George; Zohary, Tamar. Nature of phosphorus limitation in the ultraoligotrophic eastern Mediterranean. Science 2005; Volum 309. ISSN 0036-8075.s 1068 - 1071.

  • Krom, Michael d.; Thingstad, T. frede; Brenner, Steve; Carbo, Patricia; Drakopoulos, Panos; Fileman, T.w.; Fonnes flaten, Gro anita; Groom, Steve; Herut, Barak; Kitidis, V.; Kress, Nurit; Law, Cliff s.; Liddicoat, M.i.; Mantoura, Fauzi C.; Pasternak, Anna; Pitta, Paraskevi; Polychronaki, Thalia; Psarra, Stella; Rassoulzadegan, Fereidoun; Skjoldal foss, Evy; Spyres, Georgina; Tanaka, Tsuneo; Tselepides, Anastasios; Wassmann, Paul Friedrich; Wexels Riser, Christian; Woodward, Malcolm s.; Zodiatis, George; Zohary, Tamar. Summary and overview of the CYCLOPS P addition Lagrangian experiment in the Eastern Mediterranean. Deep-sea research. Part II, Topical studies in oceanography 2005; Volum 52 (22-23). ISSN 0967-0645.s 3090 - 3108.

  • Wassmann, Paul Friedrich; Olli, Kalle; Wexels Riser, Christian; Svensen, Camilla. Ecosystem Function, Biodiversity and Vertical Flux Regulation in the Twilight Zone. Springer 2003 ISBN 3-540-40168-7.s 279 - 287.

  • Wexels Riser, Christian; Jansen, Sandra; Bathmann, Ulrich; Wassmann, Paul Friedrich. Grazing of Calanus helgolandicus on Dinophysis norvegica during bloom conditions in the North Sea: evidence from investigations of faecal pellets. Marine Ecology Progress Series 2003; Volum 256. ISSN 0171-8630.s 301 - 304.

  • Olli, Kalle; Wexels Riser, Christian; Wassmann, Paul Friedrich; Ratkova, Tatjana; Arashkevich, Elena; Pasternak, Anna. Seasonal variation in vertical flux of biogenic matter in the marginal ice zone and the central Barents Sea. Journal of Marine Systems 2002; Volum 38. ISSN 0924-7963.s 189 - 204.

  • Reigstad, Marit; Wassmann, Paul Friedrich; Wexels Riser, Christian; Øygarden, Sigrid; Rey, Francisco. Variations in hydrography, nutrients and chlorophyll a in the marginal ice-zone and the central Barents Sea. Journal of Marine Systems 2002; Volum 38. ISSN 0924-7963.s 9 - 29.

  • Wexels Riser, Christian; Wassmann, Paul Friedrich; Olli, Kalle; Pasternak, Anna; Arashkevich, Elena. Seasonal variation in production, retention and export of zooplankton faecal pellets in the marginal ice zone and central Barents Sea. Journal of Marine Systems 2002; Volum 38. ISSN 0924-7963.s 175 - 188.

  • Pasternak, Anna; Wexels Riser, Christian; Arashkevich, Elena; Ratkova, Tatjana; Wassmann, Paul Friedrich. Calanus spp. grazing affects egg production and vertical carbon flux (the marginal ice zone and open Barents Sea). Journal of Marine Systems 2002; Volum 38. ISSN 0924-7963.s 147 - 164.

  • Arashkevich, Elena; Wassmann, Paul Friedrich; Pasternak, Anna; Wexels Riser, Christian. Seasonal and spatial changes in biomass, structure, and development progress of the zooplankton community in the Barents Sea. Journal of Marine Systems 2002; Volum 38. ISSN 0924-7963.s 125 - 145.

  • Olli, Kalle; Wexels Riser, Christian; Wassmann, Paul Friedrich; Ratkova, Tatjana; Arashkevich, Elena; Pasternak, Anna. Vertical flux of biogenic matter during a Lagrangian study off the NW Spanish continental margin. Progress in Oceanography 2001; Volum 51. ISSN 0079-6611.s 443 - 466.

  • Wexels Riser, Christian; Wassmann, Paul Friedrich; Olli, Kalle; Arashkevich, Elena. Production, retention and export of zooplankton faecal pellets on and off the Iberian shelf, north-west Spain. Progress in Oceanography 2001; Volum 51. ISSN 0079-6611.s 423 - 441.

  • Hamm, Christian; Reigstad, Marit; Wexels Riser, Christian; Muhlebach, Anneke; Wassmann, Paul Friedrich. On the trophic fate of Phaeocystis pouchetii. VII. Sterols and fatty acids reveal sedimentation of P. pouchetii-derived organic matter via krill fecal strings. Marine Ecology Progress Series 2001; Volum 209. ISSN 0171-8630.s 55 - 69.

  • Pasternak, Anna; Arashkevich, Elena; Wexels Riser, Christian; Ratkova, Tatjana; Wassmann, Paul Friedrich. Seasonal variation in zooplankton and suspended faecal pellets in the subarctic Norwegian Balsfjord, in 1996. Sarsia 2000; Volum 85. ISSN 0036-4827.s 439 - 452.

  • Wassmann, Paul Friedrich; Hansen, Lena; Andreassen, Inger j; Wexels Riser, Christian; Urban-rich, Juanita. Distribution and sedimentation of faecal pellets on the Nordvestbanken shelf, northern Norway, in 1994. Sarsia 1999; Volum 84. ISSN 0036-4827.s 239 - 252.

  • Strann, Karl Birger; Wexels Riser, Christian; Bakken, Vidar. Balsfjord Våtmarkssystem. 2011 ISBN 978-82-996964-4-9.

  • Wexels Riser, Christian; Svensen, Camilla. Om plankton og deres rolle i økosystemet. Formidlingstokt med F/F Helmer Hanssen 2012-06-15 - 2012.

  • Wexels Riser, Christian; Isla, Enrique; Grebmeier, Jacqueline. Pelagic-benthic coupling in polar, and sub-polar seas in an area of climate change. Effect of climate change on advective fluxes in high latitude regions 2012-05-14 - 2012.

  • Wexels Riser, Christian; Svensen, Camilla; Reigstad, Marit; Wassmann, Paul. Degradation of Calanus faecal pellets: the role of small-sized plankton and Centrophages. ALSO, Ocean Science meeting 2012-02-19 - 2012-02-24 2012.

  • Wexels Riser, Christian. Arctic Tipping Points. 2011.

  • Wexels Riser, Christian. Snuser etter sommer. 2011.

  • Wexels Riser, Christian. Hold avstand til hvalross. 2011.

  • Wexels Riser, Christian. Some facts about marine mammals which can be seen in the Barents Sea and Fram Strait. Formidlingstokt med F/F Jan Mayen 2011-05-26 - 2011.

  • Wexels Riser, Christian. Migration: adaptation to "survive" in areas of strong seasonality. Formidlingstokt med F/F Jan Mayen 2011-05-26 - 2011.

  • Wexels Riser, Christian. Marine ecosystems and production in the Arctic: with focus on planktonic organisms. Formidlingstokt med F/F Jan Mayen 2011-05-24 - 2011.

  • Wexels Riser, Christian; Wassmann, Paul; Reigstad, Marit; Slagstad, Dag. Plankton dynamics in ice covered waters. Havforskningsinstituttet 2011-01-05 - 2011-01-06 2011.

  • Wexels Riser, Christian; Svensen, Camilla; Reigstad, Marit. Degradation of copepod faecal pellets : role of microbial community and Centrophages. BIOPUMP meeting in Copenhagen 2011-05-12 - 2011-05-12 2011.

  • Wexels Riser, Christian; Svensen, Camilla; Reigstad, Marit; Seuthe, Lena. Degradation of copepod faecal pellets : role of small-sized, <180µm, plankton and Calanus finmarchicus. PISCES 5th International zooplankton production symposium 2011-03-14 - 2011-03-18 2011.

  • Reigstad, Marit; Wassmann, Paul; Wexels Riser, Christian; Kristiansen, Svein. Plankton communities and vertical eport - the Fram Strait gateway in light of global warming. Arctic Science Summit Week 2011-03-28 - 2011-04-01 2011.

  • Wexels Riser, Christian; Reigstad, Marit; Svensen, Camilla; Seuthe, Lena; Wassmann, Paul. Suspended biomass and vertical flux of organic matter in the Western fram Strai: a winter and spring scenario. 2010 International Polar Year, Oslo science conference: Polar Science-Global Impact 2010-06-08 - 2010-06-12 2010.

  • Wexels Riser, Christian; Wassmann, Paul; Krivokapić, Slađana. Hydrographical condition in Boka kotorska bay: a seasonal study. Norwegian Cooperation Program on Research and Higher Education with the Countries on the Western Balkan, NFR 2010-05-24 - 2010-05-28 2010.

  • Wexels Riser, Christian; Wassmann, Paul; Svensen, Camilla; Reigstad, Marit. Vertical flux regulation and the importance of zooplankton. Canada 3 Oceans, final symposium 2010-10-25 - 2010-10-29 2010.

  • Wexels Riser, Christian; Reigstad, Marit; Seuthe, Lena; Kristiansen, Svein; Wassmann, Paul Friedrich. Suspended biomass and vertical flux of organic matter in the Western Fram Strait: a winter and a spring scenario. Arctic Frontiers 2009-02-18 - 2009-02-23 2009.

  • Wexels Riser, Christian; Svensen, Camilla; Wassmann, Paul. Possibilities and constraints in measuring sedimentation rate in mesocosm enclosures. MESOAQUA 2009-10-11 - 2009.

  • Wexels Riser, Christian. Ecosystem dynamics and production in the Arctic. FIMAGLOW 2009-04-01 - 2009.

  • Bosak, Sunčica; Šilović, Tina; Krivokapić, Slađana; Kušpilić, Grozdan; Wexels Riser, Christian; Horvat, Lucija; Viličić, Damir. PHYTOPLANKTON COMPOSITION IN RELATION TO PHYSICO-CHEMICAL DRIVERS IN THE BAY OF KOTOR, SE ADRIATIC SEA. Phycologia 2009; Volum 48 (4). ISSN 0031-8884.s 11 - 12.

  • Thingstad, Frede; Thingstad, Tron Frede; Law, Cliff S.; Law, Cliff s.; Krom, Michel D.; Krom, Michael d.; Mantoura, Fauzi C.; Mantoura, R. Fauzi C.; Pitta, Paraskevi; Pitta, Parevskiva; Psarra, Stella; Psarra, Stella; Rassoulzadegan, Fereidoun; Rassoulzadegan, Fereidouin; Tanaka, Tsuneo; Wassmann, Paul Friedrich; Wexels Riser, Christian; Riser, Christian Wexels; Zohary, Tamar; Zohary, Tamar. Response to Comment on ‘‘Nature of Phosphorus Limitation in the Ultraoligotrophic Eastern Mediterranean’’. Science 2006; Volum 312. ISSN 0036-8075.s 1748 - .

  • Reigstad, Marit; Wexels Riser, Christian; Araschkevich, Elena; Ratkova, Tatjana; Wassmann, Paul Friedrich. On the role of mesozooplankton grazing for vertical flux regulation in the northern Barents sea. Ocean Research conference 2004-02-15 - 2004-02-20 2004.




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