World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
37
Citations
4847
World Ranking
6925
National Ranking
702

Norman Ratcliffe 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 Norman Ratcliffe 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: 117 publications — 30th percentile

30% of scientists in this discipline score the same or lower.

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

Norman Ratcliffe 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 Norman Ratcliffe 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: 37 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

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

Overview

Norman Ratcliffe is affiliated with the British Antarctic Survey in the United Kingdom. The scientist's research primarily aligns with the field of Environmental Science, covering a total of 74 publications. Within this domain, key subfields include Ecology, Ecological Modeling, Global and Planetary Change, Atmospheric Science, and Oceanography.

Key topics addressed in their work include:

  • Avian ecology and behavior
  • Species Distribution and Climate Change
  • Wildlife Ecology and Conservation
  • Marine animal studies overview
  • Marine and fisheries research
  • Isotope Analysis in Ecology
  • Arctic and Antarctic ice dynamics

Norman Ratcliffe has contributed to several recent papers, including:

  • Tracking of marine predators to protect Southern Ocean ecosystems, 2020, Nature
  • Record low 2022 Antarctic sea ice led to catastrophic breeding failure of emperor penguins, 2023, Communications Earth & Environment
  • The retrospective analysis of Antarctic tracking data project, 2020, Scientific Data
  • Evaluating the effectiveness of a large multi-use MPA in protecting Key Biodiversity Areas for marine predators, 2020, Diversity and Distributions
  • Individual repeatability of avian migration phenology: A systematic review and meta-analysis, 2022, Journal of Animal Ecology

The scientist frequently collaborates with a number of peers, including Iain J. Staniland, Peter G. Ryan, Klemens Pütz, Charles-André Bost, and Richard A. Phillips.

Norman Ratcliffe's publications often appear in several notable venues, such as Diversity and Distributions, Scientific Reports, Movement Ecology, bioRxiv (Cold Spring Harbor Laboratory), and Nature.

Best Publications

  • An emperor penguin population estimate: the first global, synoptic survey of a species from space.

    Peter T. Fretwell;Michelle A. LaRue;Paul Morin;Gerald L. Kooyman

  • Tracking of marine predators to protect Southern Ocean ecosystems

    Mark A. Hindell;Ryan R. Reisinger;Ryan R. Reisinger;Yan Ropert-Coudert;Luis A. Hückstädt

  • Seabirds as indicators of the marine environment

    Matt Parsons;Ian Mitchell;Adam Butler;Norman Ratcliffe

  • Microplastics in gentoo penguins from the Antarctic region.

    Filipa Bessa;Norman Ratcliffe;Norman Ratcliffe;Vanessa Otero;Paula Sobral

  • Assessing the diet of great skuas, Catharacta skua, using five different techniques

    Stephen C. Votier;Stuart Bearhop;Aidan MacCormick;Norman Ratcliffe

  • The eradication of feral cats from Ascension Island and its subsequent recolonization by seabirds.

    Norman Ratcliffe;Mike Bell;Tara Pelembe;Dave Boyle

  • Ecological drivers of change at South Georgia: the krill surplus, or climate variability

    Phil Trathan;Norman Ratcliffe;E.A. Masden

  • Spatial scales of marine conservation management for breeding seabirds

    Steffen Oppel;Mark Bolton;Ana P.B. Carneiro;Maria P. Dias

  • The interactive effects of age and food supply on the breeding ecology of great skuas

    N. Ratcliffe;R.W. Furness;K.C. Hamer;K.C. Hamer

  • A protocol for the aerial survey of penguin colonies using UAVs1

    Norman Ratcliffe;Damien Guihen;Jeremy Robst;Sarah Crofts

  • Seabird populations of Britain and Ireland: results of the Seabird 2000 census (1998-2002)

    Unknown

  • Growth and demography of a re-introduced population of White-tailed Eagles Haliaeetus albicilla

    Richard J. Evans;Jeremy D. Wilson;Arjun Amar;Andrew Douse

  • Correction: An Emperor Penguin Population Estimate: The First Global, Synoptic Survey of a Species from Space.

    Peter T. Fretwell;Michelle A. LaRue;Paul Morin;Gerald L. Kooyman

  • REPRODUCTIVE CONSEQUENCES FOR GREAT SKUAS SPECIALIZING AS SEABIRD PREDATORS

    Stephen C. Votier;Stuart Bearhop;Norman Ratcliffe;Robert W. Furness

  • Love thy neighbour or opposites attract? Patterns of spatial segregation and association among crested penguin populations during winter

    Norman Ratcliffe;Sarah Crofts;Ruth Brown;Alastair M. M. Baylis

  • Development of playback census methods for Storm Petrels Hydrobates pelagicus

    N. Ratcliffe;D. Vaughan;C. Whyte;M. Shepherd

  • Record low 2022 Antarctic sea ice led to catastrophic breeding failure of emperor penguins

    Unknown

  • Survival in macaroni penguins and the relative importance of different drivers: individual traits, predation pressure and environmental variability.

    Catharine Horswill;Catharine Horswill;Jason Matthiopoulos;Jonathan A. Green;Michael P. Meredith

  • Pellets as indicators of diet in Great Skuas Catharacta skua

    S.C. Votier;S. Bearhop;N. Ratcliffe;R.W. Furness

  • Predation by great skuas at a large Shetland seabird colony

    Stephen C. Votier;Stuart Bearhop;Norman Ratcliffe;Richard A. Phillips

  • The effects of fluctuating food availability on breeding arctic terns (Sterna paradisaea)

    D. Suddaby;N. Ratcliffe

  • A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area

    N. Ratcliffe;P. Trathan

Frequent Co-Authors

Philip N. Trathan
Philip N. Trathan British Antarctic Survey
Iain J. Staniland
Iain J. Staniland British Antarctic Survey
José C. Xavier
José C. Xavier University of Coimbra
Robert W. Furness
Robert W. Furness University of Glasgow
Peter G. Ryan
Peter G. Ryan University of Cape Town
Richard A. Phillips
Richard A. Phillips British Antarctic Survey
Klemens Pütz
Klemens Pütz Falklands Conservation
Akinori Takahashi
Akinori Takahashi National Institute of Polar Research
Paulo Catry
Paulo Catry International Sleep Products Association
Stephen C. Votier
Stephen C. Votier Heriot-Watt University

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