Norsk
Anna Siwertsson
Senior Scientist
Environmental Assessments and Monitoring

Tromsø

+ 47 95 77 91 59

Research article
  1. Ecosystem risk from human use of ocean space and resources: A case study from the Norwegian coast

    Johanna M. Aarflot, Vilde R. Bjørdal [+8]

    Ocean & Coastal Management 2024-10

  2. High parasite diversity in the amphipod Gammarus lacustris in a subarctic lake

    Jenny C. Shaw, Eirik H. Henriksen [+7]

    Ecology and Evolution 2020-10-05

  3. Allometric trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus (L.)) morphs

    Marianne Knutsdotter Simonsen, Anna Siwertsson [+4]

    Ecology and Evolution 2017-08-08

  4. Molecular analyses reveal high species diversity of trematodes in a sub-Arctic lake

    Miroslava Soldánová, Simona Georgieva [+11]

    International Journal for Parasitology 2017-05

  5. Variation in functional trait composition of benthic invertebrates across depths and seasons in a subarctic lake

    André Frainer, Kristin S. Johansen [+6]

    Fundamental and Applied Limnology 2016-07-01

  6. A specialised cannibalistic Arctic charr morph in the piscivore guild of a subarctic lake

    Rune Knudsen, Karl Øystein Gjelland [+5]

    Hydrobiologia 2016-02-05

  7. Parallel evolution of profundal Arctic charr morphs in two contrasting fish communities

    Rune Knudsen, Per-Arne Amundsen [+4]

    Hydrobiologia 2016-01-28

  8. Temporal stability in gill raker numbers of subarctic European whitefish populations

    A. Siwertsson, R. Knudsen [+1]

    Advances in Limnology 2012-04-02

  9. Temporal stability of niche use exposes sympatric Arctic charr to alternative selection pressures

    Rune Knudsen, Anna Siwertsson [+4]

    Evolutionary Ecology 2010-11-24

  10. The role of gill raker number variability in adaptive radiation of coregonid fish

    Kimmo K. Kahilainen, Anna Siwertsson [+4]

    Evolutionary Ecology 2010-07-27

  11. Long‐term responses of zooplankton to invasion by a planktivorous fish in a subarctic watercourse

    PER‐ARNE AMUNDSEN, ANNA SIWERTSSON [+2]

    Freshwater Biology 2008-12-08

Conference presentation
  1. Climate Driven Ecosystem Reorganization and Cumulative Risk in the Arctic

    Raul Primicerio, Andre Frainer Barbosa [+5]

    Nansen Legacy symposium: Towards a new Arctic Ocean - Past, Present, Future 2023-11-06

  2. Climate driven ecosystem reorganization and cumulative risk in the High North

    Raul Primicerio, Andre Frainer Barbosa [+5]

    5th International Symposium Effects of Climate Change on the World's Ocean 2023-04-17

  3. Climate warming impacts on diversity and structure of coastal fish assemblages at northern latitudes

    Anna Siwertsson, Magnus Aune [+2]

    ECSA59 - using the best scientific knowledge for the sustainable management of estuaries and coastal seas 2022-09-05

  4. Parasites permeate a subarctic lake food web

    Kevin D. Lafferty, Anna Siwertsson [+7]

    ASLO 2017 2017-02-27

  5. Lake factors promoting polymorphism in Arctic charr (Salvelinus alpinus)

    Marianne Simonsen, Anna Siwertsson [+3]

    Open research day (fagdag) UiT 2015-11-19

  6. Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites

    Anna Siwertsson, Per-Arne Amundsen [+7]

    Research open Day (instituttseminar) 2015-11-19

  7. Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites

    Anna Siwertsson, Per-Arne Amundsen [+7]

    Aquatic Biodiversity and Ecosystems Conference - Evolution, interaction and global change 2015-08-30

  8. Evolutionary and ecosystem consequences of a piscivore profundal morph of Arctic charr

    Rune Knudsen, Anna Siwertsson [+4]

    The 8th International Charr Symposium 2015-06-15

  9. Parallel evolution of profundal Arctic charr niches in two contrasting fish communities

    Anders Klemetsen, Per-Arne Amundsen [+4]

    The 8th International Charr Symposium 2015-06-15

  10. Structure of diet specialization in Arctic charr using a network approach

    Anna Siwertsson, Rune Knudsen [+1]

    The 8th International Charr Symposium 2015-06-15

  11. Ontogenetic dynamics of Diphyllobothrium infections in sympatric Arctic charr and brown trout

    Eirik Haugstvedt Henriksen, Rune Knudsen [+5]

    The 8th International Charr Symposium 2015-06-15

  12. Ontogenetic trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus) morphs

    Marianne Simonsen, Colin Ean Adams [+3]

    The 8th International Charr Symposium 2015-06-15

  13. Food web structure in a subarctic lake

    Anna Siwertsson, Per-Arne Amundsen [+7]

    Invited guest lecture 2015-05-07

  14. The role of parasites in food-web of subarctic lakes

    Rune Knudsen, Anna Siwertsson [+3]

    Invited guest lecture 2014-05-05

  15. Incipient speciation and ecosystem dynamics in subarctic lakes

    Rune Knudsen, Anna Siwertsson [+3]

    Invited guest lecture 2014-02-13

  16. The role of parasites in food-web topology and dynamics of subarctic lakes – background and current status

    Anna Siwertsson, Rune Knudsen [+3]

    Seminar at UC Santa Barbara 2014-02-03

  17. Incipient speciation in subarctic Scandinavia

    Rune Knudsen, Kim Præbel [+2]

    Gjesteforelesning 2013-10-04

  18. Ecological speciation in subarctic whitefish and Arctic charr

    Per-Arne Amundsen, Rune Knudsen [+4]

    CEES Seminar 2013-04-10

  19. Incipient ecological speciation in subarctic whitefish

    Per-Arne Amundsen, Rune Knudsen [+4]

    Workshop on patterns and processes of intraspecific divergence and their relevance to aquatic biological diversity 2013-02-25

  20. Diversity of whitefish populations in northern Fennoscandia

    Anna Siwertsson, Rune Knudsen [+3]

    Research Open Day (instituttseminar) 2012-11-21

  21. Adaptive niche proliferation of polymorphic whitefish along the Kautokeino riversystem in northern Norway

    Kjartan Østbye, Kim Præbel [+3]

    11th International symposium on the biology and management of coregonid fishes 2011-09-26

  22. Parallel post-glacial re-colonisation of European whitefish morphs in northern Fennoscandia

    Kim Præbel, Kjartan Østbye [+5]

    11th International symposium on the biology and management of coregonid fishes 2011-09-26

  23. Incipient ecological speciation in subarctic salmonids

    Per-Arne Amundsen, Rune Knudsen [+3]

    Guest Lecture - UC Santa Barbara 2011-06-27

  24. Polymorphism and ecological speciation in freshwater fish

    Per-Arne Amundsen, Rune Knudsen [+4]

    Guest Lecture- NOAA Fisheries 2011-04-08

  25. Polymorphism and ecological speciation in European whitefish and Arctic charr

    Per-Arne Amundsen, Rune Knudsen [+4]

    Guest Lecture - Oregon State University 2011-03-29

  26. Incipient speciation through ecological divergence in subarctic European whitefish populations

    Kim Præbel, Anna Siwertsson [+2]

    EV-Seminars, IFM-Geomar 2011-02-16

  27. Incipient speciation through ecological divergence in subarctic whitefish populations

    Kim Præbel, Anna Siwertsson [+3]

    Seminar at CEES 2010-11-22

  28. Incipient speciation and adaptive radiation in fishes from northern Scandinavia

    Rune Knudsen, Anna Siwertsson [+2]

    Seminar in fish polymorphism & ecology 2010-11-11

  29. Resource polymorphism and incipient speciation in Arctic charr (Salvelinus alpinus) from a subarctic lake

    Rune Knudsen, Per-Arne Amundsen [+2]

    Woorkshop in limnology/freshwater ecology 2010-05-05

  30. Incipient ecological speciation in subarctic whitefish populations

    Anna Siwertsson

    Seminar at the University of Texas at Austin 2010-02-22

  31. Variable patterns of phenotypic diversification within whitefish (Coregounus lavaretus) populations in northern Scandinavia

    Anna Siwertsson, Rune Knudsen [+3]

    Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23

  32. High inter-individual temporal consitency of narrow niches - an early step in the speciation process?

    Rune Knudsen, Anna Siwertsson [+4]

    Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23

  33. Stability of Gill Raker Numbers through Time in Subarctic Whitefish (Coregonus lavaretus (L.))Polulations

    Anna Siwertsson, Rune Knudsen [+1]

    Tenth International Symposium on the Biology and Management of Coregonid Fishes 2008-08-24

  34. Incipient ecological speciation in subarctic whitefish populations – a starting project

    Anna Siwertsson, Rune Knudsen [+1]

    Graduate-meeting of the specialized section “Ecology” of the German Zoological Society. “The ecology of specialized individuals in populations: prerequisites – constraints – development – relevance” 2008-03-07

Research report
  1. Økokyst – delprogram Barentshavet, Årsrapport 2022

    Guttorm Christensen, Lars-Henrik Larsen [+14]

    Miljødirektoratet 2023

  2. ØKOKYST – delprogram Norskehavet Nord, Årsrapport 2022

    Guttorm Christensen, Hans Petter Mannvik [+14]

    Miljødirektoratet 2023

  3. Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems

    Anna Siwertsson, Berengere Husson [+29]

    Rapport fra havforskningen 2023

  4. Panel-based Assessment of Ecosystem Condition of Norwegian Barents Sea Shelf Ecosystems - Appendices

    Anna Siwertsson, Berengere Husson [+29]

    Rapport fra havforskningen 2023

  5. Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem - Appendices

    Per Arneberg, Berengere Husson [+22]

    Rapport fra havforskningen 2023

  6. Panel-based Assessment of Ecosystem Condition of the North Sea Shelf Ecosystem

    Per Arneberg, Berengere Husson [+22]

    Rapport fra havforskningen 2023

  7. Panel-based Assessment of Ecosystem Condition of the Norwegian Sea Pelagic Ecosystem

    Per Arneberg, Anna Siwertsson [+13]

    Rapport fra havforskningen 2023

  8. Takvatnprosjektet - Forskning og kultivering av en overbefolka røyebestand

    Per-Arne Amundsen, Aslak Smålås [+4]

    Septentrio Reports 2015-04-23

Conference poster
  1. Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs

    Rune Knudsen, Antti Eloranta [+3]

    The 9th International Charr Symposium 2018-06-18

  2. Parallelism in parasite infections in two polymorphic Arctic charr populations in subarctic Norway

    Rune Knudsen, Birgitte Refsnes [+3]

    The 8th International Charr Symposium 2015-06-15

  3. A diagnostic tool for efficient genetic analysis of population structure in coregonids

    Kim Præbel, Jon-Ivar Westgaard [+5]

    11th International symposium on the biology and management of coregonid fishes 2011-09-26

  4. Ongoing ecological speciation in Fennoscandian whitefish?

    Rune Knudsen, Kim Præbel [+4]

    First European Conference on Speciation Research 2010-12-12

  5. Significance of gill rakers in Coregonus radiation

    Kimmo K. Kahilainen, Anna Siwertsson [+4]

    Evolutionary Ecology of Fishes: Diversification, Adaptation and Speciation 2009-11-23

Lecture
  1. Evolusjon og artsdannelse i nord-norske innsjøer

    Anna Siwertsson

    Rekruteringsdag ved BFE fakultetet 2014-10-06

  2. Early speciation into dark side of life

    Rune Knudsen, Sigrid Østrem Skoglund [+4]

    Instituttseminar 2012-11-21

  3. Evolusjon og artsdannelse i nord-norske innsjøer

    Anna Siwertsson

    Rekruteringsdag ved BFE fakultetet 2012-10-18

  4. Incipient ecological speciation in northern salmonids

    Rune Knudsen, Kim Præbel [+4]

    Foredrag 2012-02-02

  5. Evolusjon og artsdannelse i nord-norske innsjøer

    Anna Siwertsson

    Rekruteringsdag på BFE fakultetet 2011-10-17

  6. Incipient speciation of whitefish and Arctic charr

    Rune Knudsen, Anna Siwertsson [+2]

    Student exchange seminar 2011-08-25

Popular science
  1. Forskning og kultivering av en overbefolka røyebestand

    Per-Arne Amundsen, Aslak Smalås [+4]

    2015

  2. Darwins fisker? Spennende evolusjon hos røye og sik

    Rune Knudsen, Anna Siwertsson [+1]

    Ottar 2008

  3. Invasjon av lagesild i Pasvikvassdraget

    Per-Arne Amundsen, Karl øystein Gjelland [+4]

    Ottar 2008

PhD thesis