World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
36
Citations
5574
World Ranking
7094
National Ranking
717

Glenn R. Iason 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 Glenn R. Iason 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: 115 publications — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Glenn R. Iason 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 Glenn R. Iason 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: 36 D-Index — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Overview

Glenn R. Iason is affiliated with the James Hutton Institute in the United Kingdom. Their research spans various fields with a focus on environmental science, biochemistry, genetics, molecular biology, and agricultural and biological sciences. The scientist's work primarily explores topics related to forest ecology and management, genetic and phenotypic traits, and biodiversity studies.

The main fields of study covered by their publications include:

  • Environmental Science (17 publications)
  • Biochemistry, Genetics and Molecular Biology (10 publications)
  • Agricultural and Biological Sciences (8 publications)

Within these broader fields, the subfields of study are:

  • Nature and Landscape Conservation (15 publications)
  • Genetics (8 publications)
  • Insect Science (3 publications)
  • Cell Biology (2 publications)
  • Plant Science (2 publications)

Their research topics focus on:

  • Forest ecology and management (18 publications)
  • Genetic and phenotypic traits in livestock (8 publications)
  • Forest Ecology and Biodiversity Studies (6 publications)
  • Ecology and Vegetation Dynamics Studies (6 publications)
  • Seedling growth and survival studies (6 publications)
  • Genetic diversity and population structure (4 publications)
  • Plant Pathogens and Fungal Diseases (4 publications)

Glenn R. Iason has contributed to frequent publication venues including:

  • bioRxiv (Cold Spring Harbor Laboratory) with 4 publications
  • Scientific Data
  • Journal of Ecology
  • Fungal ecology
  • Evolutionary Applications

Recent papers authored by Glenn R. Iason include:

  • "Cumulative impact assessments of multiple host species loss from plant diseases show disproportionate reductions in associated biodiversity", 2021, Journal of Ecology
  • "Environmental factors and host genetic variation shape the fungal endophyte communities within needles of Scots pine (Pinus sylvestris)", 2022, Fungal ecology
  • "Phenotypic trait variation in a long-term multisite common garden experiment of Scots pine in Scotland", 2022, Scientific Data
  • "Identifying and testing marker-trait associations for growth and phenology in three pine species: Implications for genomic prediction", 2022, Evolutionary Applications
  • "Location, but not defensive genotype, determines ectomycorrhizal community composition in Scots pine (Pinus sylvestris L.) seedlings", 2021, Ecology and Evolution

The scientist has collaborated regularly with several co-authors, including:

  • Stephen Cavers (10 joint publications)
  • Joan Cottrell (9 joint publications)
  • Joan K. Beaton (8 joint publications)
  • Annika Perry (8 joint publications)
  • Jenni A. Stockan (7 joint publications)

Best Publications

  • Sex Ratio Variation in Mammals

    T H Clutton-Brock;G R Iason

  • Sexual segregation and density-related changes in habitat use in male and female Red deer (Cerrus elaphus)

    T. H. Clutton‐Brock;G. R. Iason;F. E. Guinness

  • Ash dieback in the UK: A review of the ecological and conservation implications and potential management options

    R.J. Mitchell;J.K. Beaton;P.E. Bellamy;A. Broome

  • The role of plant secondary metabolites in mammalian herbivory: ecological perspectives.

    Glenn Iason

  • Impacts of large herbivores on plant community structure and dynamics

    Alison J. Hester;Margareta Bergman;Glenn R. Iason;Jon Moen

  • Effects of lactation on feeding behaviour and habitat use in wild Red deer hinds

    T. H. Clutton‐Brock;G. R. Iason;S. D. Albon;F. E. Guinness

  • The response of heather (Calluna vulgaris) to shade and nutrients : Predictions of the carbon-nutrient balance hypothesis

    Glenn R. Iason;Alison J. Hester

  • Dangerous Lions and Nonchalant Buffalo

    H.H.T. Prins;G.R. Iason

  • Behavioral Strategies of Mammal Herbivores Against Plant Secondary Metabolites: The Avoidance–Tolerance Continuum

    Glenn R. Iason;Juan J. Villalba

  • Can grazing sheep compensate for a daily foraging time constraint

    G. R. Iason;Ángel R. Mantecón;D. A. Sim;Jesús Salvador González

  • The ecology of plant secondary metabolites : from genes to global processes

    Glenn R. Iason;Marcel Dicke;Susan E. Hartley

  • Does chemical composition of individual Scots pine trees determine the biodiversity of their associated ground vegetation

    Glenn R. Iason;Jack J. Lennon;Robin J. Pakeman;Vera Thoss

  • Home-range sizes in a stratified upland landscape of two lagomorphs with different feeding strategies

    Ian A. R. Hulbert;Glenn R. Iason;David A. Elston;Paul A. Racey

  • The effect of monoterpene concentrations in Sitka spruce (Picea sitchensis) on the browsing behaviour of red deer (Cervus elaphus)

    Alan J. Duncan;Susan E. Hartley;Glenn R. Iason

  • Do multiple herbivores maintain chemical diversity of Scots pine monoterpenes

    Glenn R. Iason;Julianne M. O'Reilly-Wapstra;Mark J. Brewer;Ron W. Summers

  • Digestive and ingestive adaptations of mammalian herbivores to low-quality forage

    G. Iason;S.E. van Wieren

  • Forest diversity effects on insect herbivores: do leaf traits matter?

    Evalyne W. Muiruri;Evalyne W. Muiruri;Sandra Barantal;Glenn R. Iason;Juha‐Pekka Salminen

  • The effect of elevated CO 2 concentration and nutrient supply on carbon-based plant secondary metabolites in Pinus sylvestris L.

    C. J. Heyworth;G. R. Iason;V. Temperton;P. G. Jarvis

  • High genetic diversity at the extreme range edge: nucleotide variation at nuclear loci in Scots pine (Pinus sylvestris L.) in Scotland.

    W. Wachowiak;M. J. Salmela;Richard Ennos;G. Iason

  • Feeding patterns by roe deer and rabbits on pine, willow and birch in relation to spatial arrangement

    M. Bergman;G. R. Iason;A. J. Hester

  • Feeding behaviour of red deer (Cervus elaphus) offered Sitka spruce saplings (Picea sitchensis) grown under different light and nutrient regimes.

    S. E. Hartley;G. R. Iason;A. J. Duncan;D. Hitchcock

  • The flexibility of an intermediate feeder: dietary selection by mountain hares measured using faecal n-alkanes

    Ian A. R. Hulbert;Glenn R. Iason;Robert W. Mayes

Frequent Co-Authors

Andy F. S. Taylor
Andy F. S. Taylor University of Aberdeen
Robin J. Pakeman
Robin J. Pakeman James Hutton Institute
Susan E. Hartley
Susan E. Hartley University of Sheffield
Stephen Cavers
Stephen Cavers Natural Environment Research Council
Ben D. Moore
Ben D. Moore Western Sydney University
David A. Elston
David A. Elston James Hutton Institute
Paul A. Racey
Paul A. Racey University of Exeter
Alison J. Hester
Alison J. Hester James Hutton Institute
Richard A. Ennos
Richard A. Ennos University of Edinburgh
Ruth J. Mitchell
Ruth J. Mitchell James Hutton Institute

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Each of these online options provides the flexibility to balance your studies with personal responsibilities, making it easier to advance your career while pursuing your passion for environmental and societal well-being.

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