World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
39
Citations
5275
World Ranking
6435
National Ranking
104

Hannu Pöysä 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 Hannu Pöysä 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: 156 publications — 56th percentile

56% of scientists in this discipline score the same or lower.

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

Hannu Pöysä 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 Hannu Pöysä 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: 39 D-Index — 26th percentile

26% of scientists in this discipline score the same or lower.

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

Overview

Hannu Pöysä is affiliated with the Natural Resources Institute Finland in Finland and specializes in Environmental Science with a substantial focus on Ecology. Their research primarily explores avian ecology and behavior alongside wildlife ecology and conservation, addressing topics such as species distribution and climate change, animal behavior and reproduction, fish ecology and management studies, plant and animal studies, and peatlands and wetlands ecology.

Their notable recent publications include:

  • Extending temporal baseline increases understanding of biodiversity change in European boreal waterbird communities, 2021, Biological Conservation
  • Local variation in the timing and advancement of lake ice breakup and impacts on settling dynamics in a migratory waterbird, 2021, The Science of The Total Environment

Additionally, they have contributed to studies led by other authors such as Lucyna Hałupka, Céline Arzel, and David J. Messmer, covering topics related to climate change impacts on avian offspring production, invertebrate declines in boreal aquatic habitats, and avian breeding timing plasticity in response to spring temperature.

Frequent coauthors collaborating with Hannu Pöysä include:

  • Sari Holopainen
  • Erkki Korpimäki
  • Petri Nummi
  • Veli-Matti Väänänen
  • Céline Arzel

Their research has been published most often in the following venues:

  • Ecology and Evolution
  • The Science of The Total Environment
  • Global Ecology and Conservation
  • Behavioral Ecology and Sociobiology
  • Journal of Avian Biology

Subfields contributing to their work include ecology, evolution, behavior and systematics, nature and landscape conservation, ecological modeling, and atmospheric science. Their contributions to science involve integrating multiple aspects of environmental and ecological dynamics, with specific attention to boreal aquatic ecosystems and avian species responses to environmental change.

Best Publications

  • Resource Utilization Pattern and Guild Structure in a Waterfowl Community

    Hannu Pöysä

  • Nest-site limitation and density dependence of reproductive output in the common goldeneye Bucephala clangula: implications for the management of cavity-nesting birds

    H. Pöysä;S. Pöysä

  • Group foraging in patchy environments: the importance of coarse-level local enhancement

    Hannu Poysa

  • Group foraging, distance to cover and vigilance in the teal, Anas crecca

    Hannu Pöysä

  • Effects of climate change on European ducks : what do we know and what do we need to know?

    Matthieu Guillemain;Hannu Pöysä;Anthony D. Fox;Céline Arzel

  • Factors affecting species number and density of dabbling duck guilds in North Europe

    Johan Elmberg;Petri Nummi;Hannu Poysa;Kjell Sjoberg

  • Morphology-mediated niche organization in a guild of dabbling ducks

    Hannu Poysa

  • Relationships between species number, lake size and resource diversity in assemblages of breeding waterfowl

    Johan Elmberg;Petri Nummi;Hannu Pöysä;Kjell Sjöberg

  • Feeding-Vigilance Trade-Off in the Teal (Anas Crecca): Effects of Feeding Method and Predation Risk

    Hannu Pöysä

  • Habitat associations of ducks during different phases of the breeding season

    Petri Nummi;Hannu Pòysá

  • The scientific basis for new and sustainable management of migratory European ducks

    Johan Elmberg;Petri Nummi;Hannu Pöysä;Kjell Sjöberg

  • The importance of hunting pressure, habitat preference and life history for population trends of breeding waterbirds in Finland

    Hannu Pöysä;Jukka Rintala;Aleksi Lehikoinen;Risto A. Väisänen

  • Habitat-specific population trajectories in boreal waterbirds: alarming trends and bioindicators for wetlands

    A. Lehikoinen;J. Rintala;E. Lammi;H. Pöysä

  • RESPONSE OF MALLARD DUCKLINGS TO VARIATION IN HABITAT QUALITY: AN EXPERIMENT OF FOOD LIMITATION

    Kjell Sjöberg;Hannu Pöysä;Johan Elmberg;Petri Nummi

  • Do intruding predators and trap position affect the reliability of catches in activity traps

    Johan Elmberg;Petri Nummi;Hannu Pöysä;Kjell Sjöberg

  • Ecological basis of sustainable harvesting : is the prevailing paradigm of compensatory mortality still valid?

    Hannu Pöysä;Johan Elmberg;Gunnar Gunnarsson;Petri Nummi

  • Interspecific interactions and co-existence in dabbling ducks: observations and an experiment.

    Johan Elmberg;Hannu Pöysä;Kjell Sjöberg;Petri Nummi

  • Why are there so many empty lakes? Food limits survival of mallard ducklings

    Gunnar Gunnarsson;Johan Elmberg;Kjell Sjöberg;Hannu Pöysä

  • Public information and conspecific nest parasitism in goldeneyes: targeting safe nests by parasites

    Hannu Pöysä

  • Conspecific nest parasitism is associated with inequality in nest predation risk in the common goldeneye (Bucephala clangula)

    Hannu Pöysä

  • Density-dependent vole damage in silviculture and associated economic losses at a nationwide scale

    Otso Huitu;Nuutti Kiljunen;Erkki Korpimäki;Esa Koskela

Frequent Co-Authors

Johan Elmberg
Johan Elmberg Kristianstad University
Aleksi Lehikoinen
Aleksi Lehikoinen University of Helsinki
Juha Virtanen
Juha Virtanen General Electric (United States)
Anthony D. Fox
Anthony D. Fox Aarhus University
Matthieu Guillemain
Matthieu Guillemain Centre national de la recherche scientifique, CNRS
Robert G. Clark
Robert G. Clark University of Saskatchewan
Thomas D. Nudds
Thomas D. Nudds University of Guelph
Niclas Jonzén
Niclas Jonzén Lund University
Johan Ekroos
Johan Ekroos Lund University
Rauno V. Alatalo
Rauno V. Alatalo University of Jyväskylä

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Related Online Degrees & Career Pathways

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