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Sigurður S. Snorrason

Sigurður S. Snorrason

University of Iceland
Iceland

D-Index & Metrics

Ecology and Evolution

D-Index
33
Citations
4309
World Ranking
7868
National Ranking
6

Sigurður S. Snorrason publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Sigurður S. Snorrason sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 77 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Sigurður S. Snorrason D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Sigurður S. Snorrason sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 33 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Overview

Sigurður S. Snorrason is affiliated with the University of Iceland in Iceland. Their research predominantly focuses on the fields of Environmental Science and Biochemistry, Genetics and Molecular Biology. Within these, key subfields include Genetics, Nature and Landscape Conservation, and Ecology, Evolution, Behavior and Systematics.

The scientist has contributed extensively to topics such as Fish Ecology and Management Studies, Genetic diversity and population structure, Animal Behavior and Reproduction, and Genetic and phenotypic traits in livestock. Additional areas of work include Physiological and biochemical adaptations, as well as Food Industry and Aquatic Biology.

Snorrason's work appears frequently in the following publication venues:

  • bioRxiv (Cold Spring Harbor Laboratory)
  • Animal Behaviour
  • BMC Ecology and Evolution
  • PLoS ONE
  • PeerJ

Among recent papers authored or co-authored by Snorrason are:

  • Animal personality adds complexity to the processes of divergence between sympatric morphs of Arctic charr, 2021, Animal Behaviour
  • Multivariate analysis of morphology, behaviour, growth and developmental timing in hybrids brings new insights into the divergence of sympatric Arctic charr morphs, 2021, BMC Ecology and Evolution
  • Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus), 2024, PLoS ONE
  • Diversity in the internal functional feeding elements of sympatric morphs of Arctic charr (Salvelinus alpinus), 2023, bioRxiv (Cold Spring Harbor Laboratory)
  • Multivariate distributions of behavioural, morphological, and ontogenetic traits in hybrids bring new insights into the divergence of sympatric Arctic charr morphs, 2020, bioRxiv (Cold Spring Harbor Laboratory)

Frequent collaborators include:

  • Arnar Pálsson
  • Quentin J.B. Horta-Lacueva
  • Michael B. Morrissey
  • Kalina H. Kapralova
  • Guðbjörg Ósk Jónsdóttir

Best Publications

  • Trophic specialization in Arctic charr Salvelinus alpinus (Pisces; Salmonidae): morphological divergence and ontogenetic niche shifts

    Sigurdur S. Snorrason;Skúli Skúlason;Bror Jonsson;Hilmar J. Malmquist

  • The arctic charr salvelinus alpinus in thingvallavatn

    Odd Terje Sandlund;Karl Gunnarsson;Pétur M. Jónasson;Bror Jonsson

  • Ontogeny of trophic morphology in four sympatric morphs of arctic charr Salvelinus alpinus in Thingvallavatn, Iceland

    Skúli Skúlason;Skúli Skúlason;David L. G. Noakes;Sigurdur S. Snorrason

  • Rapid and coupled phenotypic and genetic divergence in Icelandic Arctic char (Salvelinus alpinus)

    Davíð Gíslason;Moira M Ferguson;Skúli Skúlason;Sigurður S Snorrason

  • Diet Differentiation in Polymorphic Arctic Charr in Thingvallavatn, Iceland

    H. J. Malmquist;S. S. Snorrason;S. Skulason;B. Jonsson

  • Life History Variation of Polymorphic Arctic Charr (Salvelinus alpinus) in Thingvallavatn, Iceland

    B. Jonsson;S. Skúlason;S. S. Snorrason;O. T. Sandlund

  • Population genetic structure of Arctic Charr, Salvelinus alpinus from northwest Europe on large and small spatial scales

    A. J. Wilson;D. Gíslason;S. Skúlason;S. S. Snorrason

  • Genetically based differences in foraging behaviour among sympatric morphs of arctic charr (Pisces: Salmonidae)

    S. Skúlason;S.S. Snorrason;D. Ota;D.L.G. Noakes

  • Social relationships in a group of horses without a mature stallion

    Unknown

  • Genetic basis of life history variations among sympatric morphs of arctic char, Salvelinus alpinus.

    S. Skúlason;S. S. Snorrason;D. L. G. Noakes;M. M. Ferguson

  • A way forward with eco evo devo: an extended theory of resource polymorphism with postglacial fishes as model systems

    Skúli Skúlason;Kevin J. Parsons;Richard Svanbäck;Katja Räsänen

  • Adaptive Speciation: Adaptive Speciation in Northern Freshwater Fishes

    Sigurður S. Snorrason;Skúli Skúlason

  • Segregation in spawning and early life history among polymorphic Arctic charr, Salvelinus alpinus, in Thingvallavatn, Iceland

    S. Skúlason;S. S. Snorrason;D. L. G. Noakes;M. M. Ferguson

  • Habitat use of arctic charrSalvelinus alpinus in Thingvallavatn, Iceland

    Odd Ter Sandlund;Bror Jonsson;Hilmar J. Malmquist;Rolf Gydemo

  • Evolution of adaptive diversity and genetic connectivity in Arctic charr (Salvelinus alpinus) in Iceland

    K H Kapralova;M B Morrissey;B K Kristjánsson;G Á Ólafsdóttir

  • Mitochondrial DNA diversity among four sympatric morphs of Arctic charr, Salvelinus alpinus L., from Thingvallavatn, Iceland

    R. G. Danzmann;M. M. Ferguson;S. Skúlason;S. S. Snorrason

  • Positive assortative mating between recently described sympatric morphs of Icelandic sticklebacks.

    Gudbjörg Á Ólafsdóttir;Michael G Ritchie;Sigurdur S Snorrason

  • Fine-scale parallel patterns in diversity of small benthic Arctic charr (Salvelinus alpinus) in relation to the ecology of lava/groundwater habitats

    Bjarni K. Kristjánsson;Skúli Skúlason;Sigurður S. Snorrason;David L.G. Noakes

  • Postglacial intra-lacustrine divergence of Icelandic threespine stickleback morphs in three neovolcanic lakes.

    G. Á. Ólafsdóttir;S. S. Snorrason;M. G. Ritchie

  • Resource polymorphism and diversity of Arctic charr Salvelinus alpinus in a series of isolated lakes.

    P. J. Woods;P. J. Woods;P. J. Woods;D. Young;S. Skúlason;S. S. Snorrason

  • Distribution of male yellow dungflies around oviposition sites: the effect of body size

    Hrefna Sigurjónsdóttir;SIGURðUR S. Snorrason

  • Parallel evolution? Microsatellite variation of recently isolated marine and freshwater three‐spined stickleback

    G. Á. ÓLafsdóttir;S. S. Snorrason;M. G. Ritchie

Frequent Co-Authors

Skúli Skúlason
Skúli Skúlason Hólar University College
Thomas P. Quinn
Thomas P. Quinn University of Washington
Michael G. Ritchie
Michael G. Ritchie University of St Andrews
Moira M. Ferguson
Moira M. Ferguson University of Guelph
Katja Räsänen
Katja Räsänen Swiss Federal Institute of Aquatic Science and Technology
Kimmo K. Kahilainen
Kimmo K. Kahilainen University of Helsinki
Colin E. Adams
Colin E. Adams University of Glasgow
Carl Smith
Carl Smith University of Łódź
Richard Svanbäck
Richard Svanbäck Uppsala University
Per-Arne Amundsen
Per-Arne Amundsen University of Tromsø - The Arctic University of Norway

External Links

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Best Scientists Citing Sigurður S. Snorrason

Colin E. Adams

Colin E. Adams

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Publications: 28

Skúli Skúlason

Skúli Skúlason

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Publications: 22

Ole Seehausen

Ole Seehausen

University of Bern

Publications: 21

Wolf U. Blanckenhorn

Wolf U. Blanckenhorn

University of Zurich

Publications: 20

Per-Arne Amundsen

Per-Arne Amundsen

University of Tromsø - The Arctic University of Norway

Publications: 17

Rune Knudsen

Rune Knudsen

University of Tromsø - The Arctic University of Norway

Publications: 17

Charles C. Krueger

Charles C. Krueger

Michigan State University

Publications: 13

Katja Räsänen

Katja Räsänen

Swiss Federal Institute of Aquatic Science and Technology

Publications: 12

Moira M. Ferguson

Moira M. Ferguson

University of Guelph

Publications: 12

Kim Præbel

Kim Præbel

University of Tromsø - The Arctic University of Norway

Publications: 12

Anders Klemetsen

Anders Klemetsen

University of Tromsø - The Arctic University of Norway

Publications: 11

Eric B. Taylor

Eric B. Taylor

University of British Columbia

Publications: 11

Louis Bernatchez

Louis Bernatchez

Université Laval

Publications: 9

Kimmo K. Kahilainen

Kimmo K. Kahilainen

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Publications: 9

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Michael Power

University of Waterloo

Publications: 8

Daniel I. Bolnick

Daniel I. Bolnick

University of Connecticut

Publications: 8

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