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Staff photo Johan Wikner

Johan Wikner

My research focus on marine bacteria and their influence on the environmental status in the Sea.

Contact

Works at

Affiliation
Location
KB. H3, Linnaeus väg 6, Umeå, A3.18.21 Umeå universitet, 901 87 Umeå
Affiliation
Affiliated as professor at Umeå Marine Sciences Centre (UMF)
Location
Norrbyn, 905 71 Hörnefors Norrbyn, 90571 Hörnefors

Marine microbial ecology

My research is focused on control of Prokaryotes (Bacteria and Archea) and their abundance, growth, and respiration in the Sea. This is relevant for decomposition of organic matter, associated oxygen consumption and transformation of elements in the biosphere. Special interest is in how discharge of carbon and nutrients influence prokaryotic activity in the coastal sea. In addition, how shrinking ice cover in the Arctic ocean will influence the prokaryotic transformation of carbon compounds. Development of a precise method for estimation of oxygen consumption with sensor technique and Peltier-elements has been crucial for this research. Time series from monitoring programs are used to understand controlling factors for bacterial abundance, growth on large spatial and temporal scales.

As associated with the University unit for the Swedish Institute of the Marine Environment I contribute to analyse and synthesize the environmental status of the marine environment. This is done with focus on the national environmental goals No eutrophication and Limited climate impact, and the global sustainable goal Life below water. The results are used for scientific advice to water authorities and are communicated to the public and decision makers.

Contact me for degree projects within these subject fields.

FEMS Microbiology Ecology, Oxford University Press 2022, Vol. 98, (11)
Vass, Máté; Eriksson, Karolina; Carlsson-Graner, Ulla; et al.
Environmental Microbiology
Verma, Ashish; Amnebrink, Dennis; Pinhassi, Jarone; et al.
Climate change in the baltic sea: 2021 fact sheet, Helsinki: Helsinki Commission (HELCOM) 2021 : 39-39
Jürgens, Klaus; Wikner, Johan
Frontiers in Marine Science, FRONTIERS MEDIA SA 2020, Vol. 6
Muelbert, Jose H.; Nidzieko, Nicholas J.; Acosta, Alicia T. R.; et al.
Frontiers in Marine Science, Frontiers Media S.A. 2020, Vol. 7
Vikström, Kevin; Bartl, Ines; Karlsson, Jan; et al.
Frontiers in Marine Science, Frontiers Media S.A. 2019, Vol. 6
Muelbert, Jose H.; Nidzieko, Nicholas J.; Acosta, Alicia T. R.; et al.
Limnology and Oceanography: Methods, John Wiley & Sons 2019, Vol. 17, (3) : 179-189
Vikström, Kevin; Tengberg, Anders; Wikner, Johan
Havsutsikt, Havsmiljöinstitutet 2019, (2) : 6-8
Vikström, Kevin; Wikner, Johan
Microbial Ecology, Springer 2019, Vol. 77, (3) : 574-586
Vikström, Kevin; Wikner, Johan
Helcom 2018
Huseby, Siv; Wikner, Johan
Journal of Marine Systems, Vol. 170 : 22-30
Ahlgren, Joakim; Grimvall, Anders; Omstedt, Anders; et al.
Havsmiljöinstitutets rapport, 2017:5
Ahlgren, Joakim; Rolff, Carl; Grimvall, Anders; et al.
Havet: om miljötillståndet i svenska havsområden. 2015/2016, Göteborg: Havs- och vattenmyndigheten 2016 : 25-28
Andersson, Agneta; Wikner, Johan
Marine Ecology Progress Series, Oldendorf/Luhe: 2016, Vol. 561 : 17-29
Båmstedt, Ulf; Wikner, Johan
Ambio, Springer 2015, Vol. 44, (Suppl 3) : S345-S356
Andersson, Agneta; Meier, H.E. Markus; Ripszam, Matyas; et al.
Second Assessment of Climate Change for the Baltic Sea Basin, London: Springer 2015 : 363-380
Viitasalo, Markku; Blenckner, Thorsten; Gårdmark, Anna; et al.
Havsmiljöinstitutets rapport, 3
Moksnes, Per-Olav; Albertsson, Jan; Elfwing, Tina; et al.
FEMS Microbiology Ecology, Hoboken: Wiley-Blackwell 2013, Vol. 85, (2) : 338-347
Nydahl, Anna; Panigrahi, Satya; Wikner, Johan
Estuarine, Coastal and Shelf Science, Academia Press 2013, Vol. 136 : 269-279
Panigrahi, Satya; Nydahl, Anna; Anton, Peter; et al.
Limnology and Oceanography: Methods, Association for the Sciences of Limnology and Oceanography 2013, Vol. 11 : 1-15
Wikner, Johan; Panigrahi, Satya; Nydahl, Anna; et al.
Marine Ecology Progress Series, Vol. 453 : 37-48
Grubisic, Lorena M.; Brutemark, Andreas; Weyhenmeyer, Gesa A.; et al.
Global Change Biology, Vol. 18, (8) : 2509-2519
Wikner, Johan; Andersson, Agneta
Havet 2012: om miljötillståndet i svenska havsområden, Stockholm / Göteborg: Havsmiljöinstitutet och Havs- och vattenmyndigheten 2012 : 46-46
Wikner, Johan; Karlsson, Chatarina; Andersson, Agneta; et al.
Havet 2011: om miljötillståndet i svenska havsområden, Göteborg ; Stockholm: Havs-och vattenmyndigheten, Naturvårdsverket och Havsmiljöinstitutet 2011 : 6-12
Nilsson, Jonas; Moksnes, Per-Olav; Elfwing, Tina; et al.
Havet 2011: om miljötillståndet i svenska havsområden. 2011, Stockholm: Naturvårdsverket, Havsmiljöinstitutet och Havs- och vattenmyndigheten 2011 : 30-30
Wikner, Johan; Andersson, Agneta; Karlsson, Chatarina; et al.
Havet: om miljötillståndet i svenska havsområden. 2010, Stockholm: Naturvårdsverket och Havsmiljöinstitutet 2010 : 26-29
Larsson, Ulf; Nyberg, Svante; Andreasson, Kristin; et al.
JRC scientific and technical reports
Rogers, Stuart; Casini, Michele; Cury, Philippe; et al.
HAVET: 2010, Stockholm: Naturvårdsverket 2010 : 34-34
Wikner, Johan
Havet: om miljötillståndet i svenska havsområden. 2010, Stockholm: Naturvårdsverket 2010 : 30-30
Wikner, Johan; Andersson, Agneta; Albertsson, Jan; et al.
Limnology, Vol. 10, (2) : 73-85
Panigrahi, Satya; Wikner, Johan; Panigrahy, R. C.; et al.
Havet 2009: Nationell marin tillståndsrapport, Stockholm: Naturvårdsverket 2009 : 39-39
Wikner, Johan
Länsstyrelsens rapporter, 2008:10
Andersson, Agneta; Hansen, W; Wänstrand, I; et al.
Gävle: Länsstyrelsen Gävleborg 2008
Andersson, Agneta; Hansen, Wenche; Wänstrand, Ingrid; et al.
Havet: Nationell marin tillståndsrapport, Stockholm: Naturvårdsverket 2008 : 52-52
Wikner, Johan
Meddelanden / Länsstyrelsen, Västerbottens län, 1
Wikner, Johan; Kronholm, Malin; Sedin, Anneli; et al.
Stockholm: Naturvårdsverket 2007
Båmstedt, Ulf; Andersson, Agneta; Wikner, Johan; et al.
Havet: Nationell marin tillståndsrapport, Stockholm: Naturvårdsverket 2007 : 45-46
Wikner, Johan
Journal of Marine Systems, Elsevier 2006, Vol. 63, (3-4) : 155-161
Algesten, Grete; Brydsten, Lars; Jonsson, Per; et al.
Limnology and Oceanography, American Society of Limnology and Oceanography 2005, Vol. 50, (3) : 945-956
Kisand, Veljo; Andersson, Nina; Wikner, Johan
Luleå: Länsstyrelsen i Norrbottens län 2005
Wikner, Johan
Global Biogeochemical Cycles, Washington, D.C: American Geophysical Union (AGU) 2004, Vol. 18 : 4021-4028
Algesten, Grete; Wikner, Johan; Sobek, Sobek; et al.
Bottniska viken: årsrapport från den marina miljöövervakningen. 2003, Skydd av havsområden gagnar fisken, Hörnefors: Umeå marina forskningscentrum (UMF) 2004 : 11-13
Andersson, Agneta; Wikner, Johan
Aquatic Microbial Ecology, Vol. 37, (2) : 137-148
Langenheder, Silke; Kisand, Veljo; Lindström, Eva S; et al.
Marine Ecology Progress Series, Inter-Research 2004, Vol. 268 : 13-29
Sandberg, Johannes; Andersson, Agneta; Johansson, S; et al.
Bottniska viken: årsrapport från den marina miljöövervakningen. 2003, Skydd av havsområden gagnar fisken, Hörnefors: Umeå marina forskningscentrum (UMF) 2004 : 31-35
Wikner, Johan; Andersson, Agneta; Johansson, Sif; et al.
Applied and Environmental Microbiology, American Society for Microbiology 2003, Vol. 69, (6) : 3607-3616
Kisand, Veljo; Wikner, Johan
Journal of Microbiological Methods, Vol. 54, (2) : 183-191
Kisand, Veljo; Wikner, Johan
FEMS Microbiology Ecology, Vol. 45, (2) : 189-202
Langenheder, Silke; Kisand, Veljo; Wikner, Johan; et al.
Applied and Environmental Microbiology, American Society of Microbiology 2002, Vol. 68, (1) : 379-388
Kisand, Veljo; Cuadros, Rocio; Wikner, Johan
Aquatic Microbial Ecology, Oldendorf: Inter-Research 1999, Vol. 19, (1) : 47-56
Bertilsson, Stefan; Stepanauskas, Ramonas; Cuadros-Hansson, Rocio; et al.

Research groups

Head of research
Johan Wikner Lab
Group member

Research projects

1 January 2021 until 31 December 2023
Published: 08 Jun, 2022
Published: 03 Jun, 2021
Published: 08 Nov, 2019