2017
Parasites permeate a subarctic lake food web
Kevin D. Lafferty, Anna Siwertsson, Jesper A. Kuhn, Armand M. Kuris, Jenny C. Shaw, Miroslava Soldánová, Rune Knudsen, Anders Klemetsen, Per-Arne Amundsen
2015
Parallel evolution of profundal Arctic charr niches in two contrasting fish communities
Anders Klemetsen, Per-Arne Amundsen, Anna Siwertsson, Antti Eloranta, Brian Hayden, Rune Knudsen
2015
Evolutionary and ecosystem consequences of a piscivore profundal morph of Arctic charr
Rune Knudsen, Anna Siwertsson, Antti Eloranta, Andre Barbosa Frainer, Per-Arne Amundsen, Anders Klemetsen
2015
Ontogenetic trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus) morphs
Marianne Simonsen, Colin Ean Adams, Anna Siwertsson, Per-Arne Amundsen, Rune Knudsen
2015
Structure of diet specialization in Arctic charr using a network approach
Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
2015
Ontogenetic dynamics of Diphyllobothrium infections in sympatric Arctic charr and brown trout
Eirik Haugstvedt Henriksen, Rune Knudsen, Roar Kristoffersen, Armand M Kuris, Kevin D. Lafferty, Anna Siwertsson, Per-Arne Amundsen
2015
Food web structure in a subarctic lake
Anna Siwertsson, Per-Arne Amundsen, Rune Knudsen, Roar Kristoffersen, Anders Klemetsen, Jesper Andreas Kuhn, Armand Kuris, Kevin Lafferty, Jenny Shaw
2015
Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites
Anna Siwertsson, Per-Arne Amundsen, Rune Knudsen, Roar Kristoffersen, Anders Klemetsen, Jesper Andreas Kuhn, Armand Kuris, Kevin Lafferty, Jenny Shaw
2015
Økologi og forvaltning av fiskevatn – Takvatnprosjektet og resultater fra undersøkelser i seks innsjøer i Hamarøy-området
Per-Arne Amundsen, Jesper Andreas Kuhn, Anna Siwertsson, Rune Knudsen, Roar Kristoffersen
2015
Towards a holistic view of a lake food web - the importance of including benthic habitats and parasites
Anna Siwertsson, Per-Arne Amundsen, Rune Knudsen, Roar Kristoffersen, Jesper Andreas Kuhn, Anders Klemetsen, Armand Kuris, Kevin Lafferty, Jenny Shaw
2015
Lake factors promoting polymorphism in Arctic charr (Salvelinus alpinus)
Marianne Simonsen, Anna Siwertsson, Per-Arne Amundsen, Colin Ean Adams, Rune Knudsen
2014
Incipient speciation and ecosystem dynamics in subarctic lakes
Rune Knudsen, Anna Siwertsson, Per-Arne Amundsen, Kim Præbel, Anders Klemetsen
2014
The role of parasites in food-web of subarctic lakes
Rune Knudsen, Anna Siwertsson, Anders Klemetsen, Roar Kristoffersen, Per-Arne Amundsen
2014
The role of parasites in food-web topology and dynamics of subarctic lakes – background and current status
Anna Siwertsson, Rune Knudsen, Roar Kristoffersen, Anders Klemetsen, Per-Arne Amundsen
2014
Evolusjon og artsdannelse i nord-norske innsjøer
Siwertsson, Anna
2013
Incipient speciation in subarctic Scandinavia
Rune Knudsen, Kim Præbel, Anna Siwertsson, Per-Arne Amundsen
2013
Incipient ecological speciation in subarctic whitefish
Per-Arne Amundsen, Rune Knudsen, Kim Præbel, Anna Siwertsson, Shripathi Bhat, Kimmo K. Kahilainen
2013
Trophic morphology and ontogenetic differences in three sympatric Arctic charr (Salvelinus alpinus) morphs in Lake Skogsfjordvatn
Marianne Simonsen, Colin Ean Adams, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen
2013
Ecological speciation in subarctic whitefish and Arctic charr
Per-Arne Amundsen, Rune Knudsen, Kim Præbel, Anna Siwertsson, Shripathi Bhat, Anders Klemetsen
2012
Incipient ecological speciation in northern salmonids
Rune Knudsen, Kim Præbel, Anna Siwertsson, Shriphati Bath, Anders Klemetsen, Per-Arne Amundsen
2012
Evolusjon og artsdannelse i nord-norske innsjøer
Siwertsson, Anna
2012
Early speciation into dark side of life
Rune Knudsen, Sigrid Østrem Skoglund, Aslak Smalås, Kim Præbel, Anna Siwertsson, Per-Arne Amundsen
2012
Diversity of whitefish populations in northern Fennoscandia
Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen, Kim Præbel, Svein-Erik Fevolden
2011
Incipient speciation through ecological divergence in subarctic European whitefish populations
Kim Præbel, Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
2011
Polymorphism and ecological speciation in European whitefish and Arctic charr
Per-Arne Amundsen, Rune Knudsen, Kim Præbel, Anna Siwertsson, Kimmo K. Kahilainen, Anders Klemetsen
2011
Polymorphism and ecological speciation in freshwater fish
Per-Arne Amundsen, Rune Knudsen, Kim Præbel, Anna Siwertsson, Kimmo K. Kahilainen, Anders Klemetsen
2011
Incipient ecological speciation in subarctic salmonids
Per-Arne Amundsen, Rune Knudsen, Kim Præbel, Anna Siwertsson, Anders Klemetsen
2011
Incipient speciation of whitefish and Arctic charr
Rune Knudsen, Anna Siwertsson, Kim Præbel, Per-Arne Amundsen
2011
Parallel post-glacial re-colonisation of European whitefish morphs in northern Fennoscandia
Kim Præbel, Kjartan Østbye, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Svein-Erik Fevolden, Per-Arne Amundsen
2011
Adaptive niche proliferation of polymorphic whitefish along the Kautokeino riversystem in northern Norway
Kjartan Østbye, Kim Præbel, Rune Knudsen, Anna Siwertsson, Per-Arne Amundsen
2011
Evolusjon og artsdannelse i nord-norske innsjøer
Siwertsson, Anna
2010
Incipient speciation and adaptive radiation in fishes from northern Scandinavia
Rune Knudsen, Anna Siwertsson, Kim Præbel, Per-Arne Amundsen
2010
Resource polymorphism and incipient speciation in Arctic charr (Salvelinus alpinus) from a subarctic lake
Rune Knudsen, Per-Arne Amundsen, Anna Siwertsson, Kim Præbel
2010
Incipient speciation through ecological divergence in subarctic whitefish populations
Kim Præbel, Anna Siwertsson, Rune Knudsen, Svein-Erik Fevolden, Per-Arne Amundsen
2010
Evolutionary consequences of niche subdivision - Niche partitioning beyond the limnetic-benthic dichotomy
Siwertsson, Anna
2010
Incipient ecological speciation in subarctic whitefish populations
Siwertsson, Anna
2009
Variable patterns of phenotypic diversification within whitefish (Coregounus lavaretus) populations in northern Scandinavia
Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Kim Præbel, Per-Arne Amundsen
2009
High inter-individual temporal consitency of narrow niches - an early step in the speciation process?
Rune Knudsen, Anna Siwertsson, Raul Primicerio, Per-Arne Amundsen, Colin Ean Adams, Anders Klemetsen
2008
Stability of Gill Raker Numbers through Time in Subarctic Whitefish (Coregonus lavaretus (L.))Polulations
Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
2008
Incipient ecological speciation in subarctic whitefish populations – a starting project
Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
2018
Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs
Rune Knudsen, Antti Eloranta, Anna Siwertsson, Mike Power, Odd Terje Sandlund
2015
Parallelism in parasite infections in two polymorphic Arctic charr populations in subarctic Norway
Rune Knudsen, Birgitte Refsnes, Anna Siwertsson, Andre Barbosa Frainer, Per-Arne Amundsen
2013
Trophic morphology and ontogenetic differences in three sympatric Arctic charr (Salvelinus alpinus) morphs in Lake Skogsfjordvatn
Marianne Simonsen, Sigrid Østrem Skoglund, Colin Ean Adams, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen
2011
A diagnostic tool for efficient genetic analysis of population structure in coregonids
Kim Præbel, Jon-Ivar Westgaard, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Svein-Erik Fevolden
2010
RESOURCE PARTITIONING BETWEEN ARCTIC CHARR, WHITEFISH AND GRAYLING ALONG ALTITUDE GRADIENT OF SUBARCTIC LAKES
Antti Eloranta, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Roger I. Jones, Kim Præbel, Per-Arne Amundsen
2010
Ongoing ecological speciation in Fennoscandian whitefish?
Rune Knudsen, Kim Præbel, Anna Siwertsson, Kimmo K. Kahilainen, Svein-Erik Fevolden, Per-Arne Amundsen
2009
Significance of gill rakers in Coregonus radiation
Kimmo K. Kahilainen, Anna Siwertsson, Karl øystein Gjelland, Rune Knudsen, Thomas Bøhn, Per-Arne Amundsen
2019
From clear lakes to murky waters – tracing the functional response of high-latitude lake communities to concurrent ‘greening’ and ‘browning’
B. Hayden, C. Harrod, S.M. Thomas, Antti Eloranta, J.‐P. Myllykangas, Anna Siwertsson, Kim Præbel, Rune Knudsen, Per-Arne Amundsen, Kimmo Kalevi Kahilainen
Ecology Letters
22
p. 807-816
2019
Introduction of Mysis relicta (Mysida) reduces niche segregation between deep-water Arctic charr morphs
Rune Knudsen, Antti Eloranta, Anna Siwertsson, Rachel A. Paterson, Michael Power, Odd Terje Sandlund
Hydrobiologia
840
p. 245-260
2019
Contrasting patterns in trophic niche evolution of polymorphic Arctic charr populations in two subarctic Norwegian lakes
Paolo Maria Moccetti, Anna Siwertsson, Runar Kjær, Per-Arne Amundsen, Kim Præbel, Ana-Maria Peris Tamayo, Michael Power, Rune Knudsen
Hydrobiologia
840
p. 281-299
2017
Allometric trajectories of body and head morphology in three sympatric Arctic charr (Salvelinus alpinus (L.)) morphs
Marianne Simonsen, Anna Siwertsson, Colin Ean Adams, Per-Arne Amundsen, Kim Præbel, Rune Knudsen
Ecology and Evolution
7
p. 7277-7289
2017
Molecular analyses reveal high species diversity of trematodes in a sub-Arctic lake
Miroslava Soldánová, Simona Georgieva, Jana Roháčová, Rune Knudsen, Jesper Andreas Kuhn, Eirik Haugstvedt Henriksen, Anna Siwertsson, Jenny C. Shaw, Armand M. Kuris, Per-Arne Amundsen, Tomas Scholz, Kevin D. Lafferty, Aneta Kostadinova
International Journal of Parasitology
47
p. 327-345
2016
Variation in benthic invertebrate functional trait diversity and composition across depths and seasons in a subarctic lake
André Frainer, Kristin M. Sommerseth Johansen, Anna Siwertsson, Seyed Ali Mousavi, John Edward Brittain, Anders Klemetsen, Rune Knudsen, Per-Arne Amundsen
Fundamental and Applied Limnology
188
p. 103-112
2016
Parallel evolution of profundal Arctic charr morphs in two contrasting fish communities
Rune Knudsen, Per-Arne Amundsen, Antti Eloranta, Brian Hayden, Anna Siwertsson, Anders Klemetsen
Hydrobiologia
783
p. 239-248
2016
A specialised cannibalistic Arctic charr morph in the piscivore guild of a subarctic lake
Rune Knudsen, Karl Øystein Gjelland, Antti Eloranta, Brian Hayden, Anna Siwertsson, Per-Arne Amundsen, Anders Klemetsen
Hydrobiologia
783
p. 65-78
2016
Divergence and parallelism of parasite infections in Arctic charr morphs from deep and shallow lake habitats
Anna Siwertsson, Birgitte Refsnes, André Frainer, Per-Arne Amundsen, Rune Knudsen
Hydrobiologia
783
p. 131-143
2016
Parallel phenotypic evolution of skull-bone structures and head measurements of Arctic charr morphs in two subarctic lakes
Elena Saltykova, Anna Siwertsson, Rune Knudsen
Environmental Biology of Fishes
100
p. 137-148
2015
Morphological divergence between three Arctic charr morphs - the significance of the deep-water environment
Sigrid Østrem Skoglund, Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
Ecology and Evolution
5
p. 3114-3129
2015
Ontogenetic dynamics of infection with Diphyllobothrium spp. cestodes in sympatric Arctic charr Salvelinus alpinus (L.) and brown trout Salmo trutta L.
Eirik Haugstvedt Henriksen, Rune Knudsen, Roar Kristoffersen, Armand M. Kuris, Kevin D. Lafferty, Anna Siwertsson, Per-Arne Amundsen
Hydrobiologia
783
p. 37-46
2014
Similar patterns of individual niche use are revealed by different time-integrated trophic tracers (stable isotopes and parasites)
Rune Knudsen, Anna Siwertsson, Colin Ean Adams, Jason Newton, Per-Arne Amundsen
Ecology of Freshwater Fish
23
p. 259-268
2013
A diagnostic tool for efficient analysis of the population structure, hybridization and conservation status of European whitefish (Coregonus lavaretus (L.)) and vendace (C-albula (L.))
Kim Præbel, Jon-Ivar Westgaard, Per-Arne Amundsen, Anna Siwertsson, Rune Knudsen, Kimmo K. Kahilainen, Svein-Erik Fevolden
Advances in Limnology
64
p. 247-255
2013
Discrete foraging niches promote ecological, phenotypic, and genetic divergence in sympatric whitefish (Coregonus lavaretus)
Anna Siwertsson, Rune Knudsen, Kim Præbel, Colin Ean Adams, Jason Newton, Per-Arne Amundsen
Evolutionary Ecology
27
p. 547-564
2013
Parallel and non-parallel morphological divergence among foraging specialists in European whitefish (Coregonus lavaretus)
Anna Siwertsson, Rune Knudsen, Colin Ean Adams, Kim Præbel, Per-Arne Amundsen
Ecology and Evolution
3
p. 1590-1602
2013
Ecological speciation in postglacial European whitefish: rapid adaptive radiations into the littoral, pelagic, and profundal lake habitats
Kim Præbel, Rune Knudsen, Anna Siwertsson, Markku Karhunen, Kimmo K. Kahilainen, Otso Ovaskainen, Kjartan Østbye, Stefano Peruzzi, Svein-Erik Fevolden, Per-Arne Amundsen
Ecology and Evolution
3
p. 4970-4986
2012
Temporal stability in gill raker numbers of subarctic European whitefi sh populations
Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
Advances in Limnology
63
p. 229-240
2011
Temporal stability of niche use exposes sympatric Arctic charr to alternative selection pressures
Rune Knudsen, Anna Siwertsson, Colin Ean Adams, Monica Garduño-Paz, Jason Newton, Per-Arne Amundsen
Evolutionary Ecology
25
p. 589-604
2011
The role of gill raker number variability in adaptive radiation of coregonid fish
Kimmo Kahilainen, Anna Siwertsson, Karl Øystein Gjelland, Rune Knudsen, Per-Arne Amundsen, Thomas Bøhn
Evolutionary Ecology
25
p. 573-588
2011
Sympatric diversification as influenced by ecological opportunity and historical contingency in a young species lineage of whitefish
Anna Siwertsson, Rune Knudsen, Kimmo Kahilainen, Kim Præbel, Raul Primicerio, Per-Arne Amundsen
Evolutionary Ecology Research
12
p. 929-947
2011
Dietary plasticity of Arctic charr (Salvelinus alpinus) facilitates coexistence with competitively superior European whitefish (Coregonus lavaretus)
Antti Eloranta, Anna Siwertsson, Rune Knudsen, Per-Arne Amundsen
Ecology of Freshwater Fish
20
p. 558-568
2009
Long-term responses of zooplankton to invasion by a planktivorous fish in a subarctic watercourse
Per-Arne Amundsen, Anna Siwertsson, Raul Primicerio, Thomas Bøhn
Freshwater Biology
54
p. 24-34