World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
43
Citations
6659
World Ranking
5342
National Ranking
78

Kai Norrdahl 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 Kai Norrdahl 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: 74 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

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

Kai Norrdahl 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 Kai Norrdahl 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: 43 D-Index — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Overview

Kai Norrdahl is affiliated with the University of Turku in Finland. Their research primarily spans the fields of Environmental Science and Agricultural and Biological Sciences. Within these domains, their work focuses on several key subfields including Ecology, Evolution, Behavior and Systematics, Ecological Modeling, Nature and Landscape Conservation, and Global and Planetary Change.

Their main research topics cover Bat Biology and Ecology Studies, Species Distribution and Climate Change, Ecology and Vegetation Dynamics Studies, Wildlife Ecology and Conservation, Avian Ecology and Behavior, Plant and Animal Studies, and Fire Effects on Ecosystems.

Kai Norrdahl has authored several recent papers that reflect these areas of interest. Notable publications include:

  • Within-season changes in habitat use of forest-dwelling boreal bats, 2020, Ecology and Evolution
  • The impact of tree crops and temperature on the timing of frugivorous bird migration, 2020, Oecologia
  • Not invasive status but plant overstory matters: open shrub canopies support greater plant and arthropod diversity and more complex food web structures compared to shady tree canopies, 2023, Arthropod-Plant Interactions
  • Restoration of boreal wetlands increases bat activity, 2024, Restoration Ecology

Their frequent coauthors include Thomas M. Lilley, Ville Vasko, Anna S. Blomberg, Jon E. Brommer, and Eero J. Vesterinen. This collaboration network spans multiple projects and publications.

Kai Norrdahl's work has been published in specialized venues, notably Ecology and Evolution, Oecologia, Arthropod-Plant Interactions, and Restoration Ecology. Each of these journals reflects aspects of their core research areas in ecology and environmental science.

Best Publications

  • Numerical and Functional Responses of Kestrels, Short‐Eared Owls, and Long‐Eared Owls to Vole Densities

    Erkki Korpimaki;Kai Norrdahl

  • Responses of stoats and least weasels to fluctuating food abundances: is the low phase of the vole cycle due to mustelid predation?

    Erkki Korpimäki;Kai Norrdahl;Tuija Rinta-Jaskari

  • DOES MOBILITY OR SEX OF VOLES AFFECT RISK OF PREDATION BY MAMMALIAN PREDATORS

    Kai Norrdahl;Erkki Korpimäki

  • Experimental reduction of predators reverses the crash phase of small-rodent cycles

    Erkki Korpimäki;Kai Norrdahl

  • Predator-induced synchrony in population oscillations of coexisting small mammal species.

    Erkki Korpimäki;Kai Norrdahl;Otso Huitu;Tero Klemola

  • Dynamic effects of predators on cyclic voles: field experimentation and model extrapolation

    Erkki Korpimäki;Kai Norrdahl;Tero Klemola;Tero Klemola;Terje Pettersen

  • Variation in the diet composition of a generalist predator, the red fox, in relation to season and density of main prey

    Graziella Lucia Dell'Arte;Toni Laaksonen;Kai Norrdahl;Erkki Korpimäki

  • Predation of Tengmalm's Owls: Numerical Responses, Functional Responses and Dampening Impact on Population Fluctuations of Microtines

    Erkki Korpimaki;Kai Norrdahl

  • WINTER FOOD SUPPLY LIMITS GROWTH OF NORTHERN VOLE POPULATIONS IN THE ABSENCE OF PREDATION

    Otso Huitu;Minna Koivula;Erkki Korpimäki;Tero Klemola

  • Do breeding nomadic avian predators dampen population fluctuations of small mammals

    Erkki Korpimaki;Kai Norrdahl

  • Population cycles in northern small mammals.

    Kai Norrdahl

  • Mortality factors in a cyclic vole population

    Kai Norrdahl;Erkki Korpimaki

  • Experimental tests of predation and food hypotheses for population cycles of voles.

    Tero Klemola;Minna Koivula;Erkki Korpimäki;Kai Norrdahl

  • What you need is what you eat? Prey selection by the bat Myotis daubentonii

    Eero J Vesterinen;Eero J Vesterinen;Lasse Ruokolainen;Niklas Wahlberg;Niklas Wahlberg;Carlos Peña

  • Antibiotic resistance. How wild are wild mammals

    Monica Österblad;Kai Norrdahl;Erkki Korpimäki;Pentti Huovinen

  • Reproductive investment under fluctuating predation risk: Microtine rodents and small mustelids

    Erkki Korpimaki;Kai Norrdahl;Jari Valkama

  • Mobility decisions and the predation risks of reintroduction

    Peter B Banks;Peter B Banks;Kai Norrdahl;Erkki Korpimäki

  • Avian predation on mustelids in Europe 1: occurrence and effects on body size variation and life traits

    Erkki Korpimaki;Kai Norrdahl

  • AVIAN PREDATION RISK MODIFIES BREEDING BIRD COMMUNITY ON A FARMLAND AREA

    Jukka Suhonen;Kai Norrdahl;Erkki Korpimaki

  • Effects of predator removal on vertebrate prey populations: birds of prey and small mammals.

    Kai Norrdahl;Erkki Korpimäki

Frequent Co-Authors

Erkki Korpimäki
Erkki Korpimäki University of Turku
Tero Klemola
Tero Klemola University of Turku
Peter B. Banks
Peter B. Banks University of Sydney
Jukka Suhonen
Jukka Suhonen University of Turku
Pentti Huovinen
Pentti Huovinen University of Turku
Tarja Oksanen
Tarja Oksanen University of Turku
Lauri Oksanen
Lauri Oksanen University of Turku
Tomas Roslin
Tomas Roslin Swedish University of Agricultural Sciences
Niklas Wahlberg
Niklas Wahlberg Lund University
C. Anthony Hart
C. Anthony Hart University of Liverpool

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Related Online Degrees & Career Pathways

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The online education landscape also offers options in creative and analytical fields. If you are interested in the built environment, an online architecture degree can help merge ecological principles with sustainable design. For those passionate about data and modeling natural systems, a math degree online can significantly broaden your research and career prospects.

Exploring these related online degrees can complement your study of ecology and evolution, helping you tailor your career path to diverse interests and growing industries.

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