World's Best Scientists 2026 revealed!
Leif Kullman

Leif Kullman

D-Index & Metrics

Ecology and Evolution

D-Index
46
Citations
6307
World Ranking
4714
National Ranking
119

Leif Kullman 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 Leif Kullman 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: 99 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

Leif Kullman 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 Leif Kullman 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: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Leif Kullman is affiliated with Umeå University in Sweden. Their research primarily focuses on Earth and Planetary Sciences with a strong emphasis on Environmental Science. The scientist has contributed notably to subfields including Atmospheric Science, Global and Planetary Change, Management, Monitoring, Policy and Law, Plant Science, and Nature and Landscape Conservation.

Themes prevalent in their work cover a range of environmental and ecological topics. These include:

  • Tree-ring climate responses
  • Plant Water Relations and Carbon Dynamics
  • Climate change and permafrost
  • Geology and Paleoclimatology Research
  • Landslides and related hazards
  • Botany and Plant Ecology Studies
  • Cryospheric studies and observations

The scientist has published extensively in several academic venues with frequent contributions to the following journals:

  • International Journal of Science and Research Archive
  • European journal of applied sciences
  • Advances In Image and Video Processing
  • Journal of Natural Sciences
  • International Journal of Research in Geography

Among recent publications authored by Leif Kullman are:

  • Shrinking glaciers and ice patches disclose megafossil trees and provide a vision of the Late-glacial and Early post-glacial subalpine/alpine landscape in the Swedish Scandes - review and perspective, 2020, Journal of Natural Sciences
  • Treeline Ecotone Progression and Stability: Time Series Analysis of Individual Photographic Data 1973-2021 in the Swedish Scandes, 2022, Advances In Image and Video Processing
  • Recent and Past Arboreal Change: Observational and Retrospective Studies Within a Subalpine, Birch-Dominated (Betula Pubescens Ssp. Czerepanovii) Mountain Valley in the Southern Swedish Scandes-Responses to Climate Change and Land Use, 2022, Advances In Image and Video Processing
  • Accelerated Pine (Pinus sylvestris) Rise in the Alpine Treeline Ecotone of the Swedish Scandes - Demographic Data 1973-2024, 2025, European journal of applied sciences
  • Recent spruce (Picea abies) treeline ecotonal progression since the late1980s in the Swedish Scandes-a repeat photographic narration and analysis, 2021, International Journal of Science and Research Archive

Leif Kullman collaborates with several researchers, with the most frequent co-author being Lisa Öberg. Other coauthors include Anton Jonsson, Jacob Holmer, Maria Eriksdotter, and Jan Ahlqvist. Collaboration helps to diversify and extend the scope of their research within related environmental and ecological domains.

Best Publications

  • Rapid recent range-margin rise of tree and shrub species in the Swedish Scandes

    Leif Kullman

  • 20th Century Climate Warming and Tree-limit Rise in the Southern Scandes of Sweden

    Leif Kullman

  • Tree line population monitoring of Pinus sylvestris in the Swedish Scandes, 1973-2005: implications for tree line theory and climate change ecology

    Leif Kullman

  • Post-Little Ice Age tree line rise and climate warming in the Swedish Scandes: a landscape ecological perspective

    Leif Kullman;Lisa Öberg

  • Holocene tree-limit and climate history from the Scandes Mountains, Sweden

    Leif Kullman

  • Boreal tree taxa in the central Scandes during the Late‐Glacial: implications for Late‐Quaternary forest history

    Leif Kullman

  • Change and stability in the altitude of the birch tree-limit in the southern Swedish Scandes 1915-1975

    Unknown

  • Dynamics of altitudinal tree-limits in Sweden: a review

    Leif Kullman

  • Tree limit dynamics of Betula pubescens ssp. tortuosa in relation to climate variability: evidence from central Sweden

    Leif Kullman

  • Early postglacial appearance of tree species in northern Scandinavia: review and perspective

    Leif Kullman

  • A Coherent Postglacial Tree-limit Chronology (Pinus sylvestris L.) for the Swedish Scandes: Aspects of Paleoclimate and “Recent Warming,” Based on Megafossil Evidence

    L. Kullman;L. Kjällgren

  • Early Holocene tree growth at a high elevation site in the northernmost scandes of Sweden (Lapland) : A palaeobiogeographical case study based on megafossil evidence

    Leif Kullman

  • Non-analogous tree flora in the Scandes Mountains, Sweden, during the early Holocene - macrofossil evidence of rapid geographic spread and response to palaeoclimate

    Leif Kullman

  • Recent tree-limit history of Piceaabies in the southern Swedish Scandes

    Unknown

  • Holocene pine tree‐line evolution in the Swedish Scandes: Recent tree‐line rise and climate change in a long‐term perspective

    Leif Kullman;Lena Kjällgren

  • A Richer, Greener and Smaller Alpine World : Review and Projection of Warming-Induced Plant Cover Change in the Swedish Scandes

    Leif Kullman

  • Fire and age structure of Scots pine and Norway spruce in northern Sweden during the past 700 years

    Ola Engelmark;Leif Kullman;Yves Bergeron

  • The occurrence of thermophilous trees in the Scandes Mountains during the early Holocene: evidence for a diverse tree flora from macroscopic remains

    Leif Kullman

  • Recent reversal of Neoglacial climate cooling trend in the Swedish Scandes as evidenced by mountain birch tree-limit rise

    Leif Kullman

  • New and Firm Evidence for Mid-Holocene Appearance of Picea Abies in the Scandes Mountains, Sweden

    Leif Kullman

  • Long-term geobotanical observations of climate change impacts in the Scandes of West-Central Sweden

    Leif Kullman

  • Immigration of Picea abies into North-Central Sweden. New evidence of regional expansion and tree-limit evolution

    Leif Kullman

Frequent Co-Authors

Annika Hofgaard
Annika Hofgaard Norwegian Institute for Nature Research
Yves Bergeron
Yves Bergeron Université du Québec en Abitibi-Témiscamingue

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