World's Best Scientists 2026 revealed!
Bernard D. Roitberg

Bernard D. Roitberg

D-Index & Metrics

Ecology and Evolution

D-Index
54
Citations
8203
World Ranking
3190
National Ranking
216

Bernard D. Roitberg 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 Bernard D. Roitberg 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: 197 publications — 73rd percentile

73% of scientists in this discipline score the same or lower.

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

Bernard D. Roitberg 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 Bernard D. Roitberg 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: 54 D-Index — 64th percentile

64% of scientists in this discipline score the same or lower.

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

Overview

Bernard D. Roitberg is affiliated with Simon Fraser University in Canada. Their research spans multiple disciplines within environmental science and agricultural and biological sciences. Key subfields of study include global and planetary change, nature and landscape conservation, insect science, plant science, and ecology, evolution, behavior, and systematics.

The primary focus of Roitberg's scholarly work covers several topics, including:

  • Forest Management and Policy
  • Forest ecology and management
  • Forest Ecology and Biodiversity Studies
  • Plant Water Relations and Carbon Dynamics
  • Ecology and Vegetation Dynamics Studies
  • Forest Insect Ecology and Management
  • Plant responses to elevated CO2

Roitberg has contributed to a range of peer-reviewed journal articles, often collaborating with other researchers. Their recent publications include:

  • Foraging behaviour of Rhagoletis pomonella, a parasite of hawthorn (Crataegus), 2023, Scholarworks (University of Massachusetts Amherst)
  • Ecology and Prediction of Compensatory Growth: From Theory to Application in Forestry, 2021, Frontiers in Plant Science
  • Forest Productivity Enhancement and Compensatory Growth: A Review and Synthesis, 2020, Frontiers in Plant Science
  • Detecting Compensatory Growth in Silviculture Trials: Empirical Evidence From Three Case Studies Across Canada, 2022, Frontiers in Plant Science
  • Modelling the stand dynamics after a thinning induced partial mortality: A compensatory growth perspective, 2022, Frontiers in Plant Science

Roitberg has frequently published in the following venues:

  • Frontiers in Plant Science
  • Ecological Entomology
  • Behavioral Ecology and Sociobiology
  • Plants
  • Scholarworks (University of Massachusetts Amherst)

The scientist often collaborates with other scholars, with notable frequent co-authors including:

  • Robert G. Lalonde
  • Hugh J. Barclay
  • Shongming Huang
  • Chao Li

Best Publications

  • Fitness, parasitoids and biological control: an opinion

    B.D. Roitberg;G. Boivin;L.E.M. Vet

  • JOINING AND AVOIDANCE BEHAVIOR IN NONSOCIAL INSECTS

    Ronald J. Prokopy;Bernard D. Roitberg

  • Life expectancy and reproduction.

    Bernard D. Roitberg;Julie Sircom;Carol A. Roitberg;Jacques J. M. van Alphen

  • The economics of escape behaviour in the pea aphid, Acyrthosiphon pisum

    Lawrence M. Dill;Alex H. G. Fraser;Bernard D. Roitberg

  • Insects that Mark Host Plants

    Bernard D. Roitberg;Ronald J. Prokopy

  • Seasonal dynamic shifts in patch exploitation by parasitic wasps.

    B.D. Roitberg;M. Mangel;R.G. Lalonde;C.A. Roitberg

  • Instar-specific defense of the pea aphid, Acyrthosiphon pisum:influence on oviposition success of the parasite Aphelinus asychis (Hymenoptera:Aphelinidae).

    D. Gerling;B. D. Roitberg;M. Mackauer

  • Adaptive suicidal behaviour in pea aphids

    Murdoch K. McAllister;Bernard D. Roitberg

  • On the evolutionary ecology of marking pheromones

    Bernard D. Roitberg;Marc Mangel

  • THE INFLUENCE OF PREDATORS ON THE MOVEMENT OF APTEROUS PEA APHIDS BETWEEN PLANTS

    Bernard D. Roitberg;Judith H. Myers;B. D. Frazer

  • Dynamic information and host acceptance by a tephritid fruit fly

    Marc Mangel;Bernard D. Roitberg

  • Foraging Behaviour of Rhagoletis pomonella, a Parasite of Hawthorn (Crataegus viridis), in Nature

    Bernard D. Roitberg;Joop C. Van Lenteren;Jacques J. M. Van Alphen;Frietson Galis

  • Trophic egg laying : hypotheses and tests

    Jennifer C. Perry;Bernard D. Roitberg

  • Impacts of flight distance on sex ratio and resource allocation to offspring in the leafcutter bee, Megachile rotundata

    Jason H. Peterson;Bernard D. Roitberg;J. H. Peterson

  • Effects of simulated heat waves on an experimental community of pepper plants, green peach aphids and two parasitoid species

    David R. Gillespie;Abida Nasreen;Chandra E. Moffat;Peggy Clarke

  • Does mother really know best? Oviposition preference reduces reproductive performance in the generalist parasitoid Aphidius ervi.

    Lee M. Henry;David R. Gillespie;Bernard D. Roitberg

  • Adaptation of alarm pheromone responses of the pea aphid Acyrthosiphon pisum (Harris)

    Bernard D. Roitberg;Judith H. Myers

  • Host deprivation influence on response of Rhagoletis pomonella to its oviposition deterring pheromone.

    Bernard D. Roitberg;Ronald J. Prokopy

  • BEHAVIOURAL AND PHYSIOLOGICAL ADAPTATIONS OF PEA APHIDS (HOMOPTERA: APHIDIDAE) TO HIGH GROUND TEMPERATURES AND PREDATOR DISTURBANCE

    Bernard D. Roitberg;Judith H. Myers

  • Foraging Behavior of True Fruit Flies

    Ronald J. Prokopy;Bernard D. Roitberg

  • Ladybird mothers mitigate offspring starvation risk by laying trophic eggs

    Jennifer C. Perry;Jennifer C. Perry;Bernard D. Roitberg

Frequent Co-Authors

Marc Mangel
Marc Mangel University of Bergen
Ronald J. Prokopy
Ronald J. Prokopy University of Massachusetts Amherst
Daniel R. Papaj
Daniel R. Papaj University of Arizona
Louise E. M. Vet
Louise E. M. Vet Wageningen University & Research
Judith H. Myers
Judith H. Myers University of British Columbia
Jacques J. M. van Alphen
Jacques J. M. van Alphen Leiden University
Alex Córdoba-Aguilar
Alex Córdoba-Aguilar National Autonomous University of Mexico
Michael E. Robinson
Michael E. Robinson University of Florida
Jacques Brodeur
Jacques Brodeur University of Montreal
Martin Aluja
Martin Aluja Instituto de Ecología

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