World's Best Scientists 2026 revealed!
Jean-Claude Grégoire

Jean-Claude Grégoire

D-Index & Metrics

Ecology and Evolution

D-Index
46
Citations
8884
World Ranking
4619
National Ranking
58

Jean-Claude Grégoire publications per year

1978: 1 publications 1979: 0 publications 1980: 2 publications 1981: 0 publications 1982: 1 publications 1983: 1 publications 1984: 11 publications 1985: 0 publications 1986: 2 publications 1987: 1 publications 1988: 10 publications 1989: 2 publications 1990: 2 publications 1991: 2 publications 1992: 6 publications 1993: 4 publications 1994: 2 publications 1995: 4 publications 1996: 11 publications 1997: 1 publications 1998: 0 publications 1999: 6 publications 2000: 4 publications 2001: 8 publications 2002: 3 publications 2003: 13 publications 2004: 10 publications 2005: 5 publications 2006: 8 publications 2007: 8 publications 2008: 12 publications 2009: 11 publications 2010: 9 publications 2011: 12 publications 2012: 11 publications 2013: 16 publications 2014: 27 publications 2015: 13 publications 2016: 16 publications 2017: 51 publications 2018: 41 publications 2019: 7 publications 2020: 4 publications 2021: 10 publications 2022: 36 publications 2023: 30 publications 2024: 22 publications 2025: 3 publications
1978 2025

459 publications in total across all disciplines

Jean-Claude Grégoire 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 Jean-Claude Grégoire 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: 378 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

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

Jean-Claude Grégoire 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 Jean-Claude Grégoire 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

Jean-Claude Grégoire is affiliated with the Université Libre de Bruxelles in Belgium. Their research primarily focuses on Agricultural and Biological Sciences, with a significant number of publications spanning 211 works in this field. Within this broad domain, their work delves deeply into specialized subfields such as Insect Science, Ecology, Ecology, Evolution, Behavior and Systematics, Cardiology and Cardiovascular Medicine, and Plant Science.

The scientist's main topics of research cover various aspects of insects and their interactions with plants and environments. Key thematic areas include:

  • Insect-Plant Interactions and Control
  • Research on scale insects
  • Forest Insect Ecology and Management
  • Hymenoptera taxonomy and phylogeny
  • Insect and Pesticide Research
  • Insect behavior and control techniques
  • Phytoplasmas and Hemiptera pathogens

Jean-Claude Grégoire has published research in several scientific venues, frequently contributing to:

  • EFSA Journal
  • bioRxiv (Cold Spring Harbor Laboratory)
  • CJC Open
  • Zenodo (CERN European Organization for Nuclear Research)
  • Canadian Journal of Cardiology

The scientist has worked alongside numerous coauthors in their research endeavors. Frequent collaborators include:

  • Claude Bragard
  • Annemarie Fejer Justesen
  • Juan A Navas-Cortés
  • Roel Potting
  • Philippe Lucien Reignault

Some of their recent academic papers reflect an interdisciplinary reach including cardiovascular and infectious disease contexts. Notable publications are:

  • "Hypertension Canada's 2020 Comprehensive Guidelines for the Prevention, Diagnosis, Risk Assessment, and Treatment of Hypertension in Adults and Children" published in 2020 in Canadian Journal of Cardiology
  • "Colchicine for community-treated patients with COVID-19 (COLCORONA): a phase 3, randomised, double-blinded, adaptive, placebo-controlled, multicentre trial" published in 2021 in The Lancet Respiratory Medicine
  • "Efficacy of Colchicine in Non-Hospitalized Patients with COVID-19" published in 2021 in bioRxiv (Cold Spring Harbor Laboratory)
  • "Cost-effectiveness of low-dose colchicine after myocardial infarction in the Colchicine Cardiovascular Outcomes Trial (COLCOT)" published in 2020 in European Heart Journal - Quality of Care and Clinical Outcomes
  • "2022 Canadian Cardiovascular Society Guideline for Use of GLP-1 Receptor Agonists and SGLT2 Inhibitors for Cardiorenal Risk Reduction in Adults" published in 2022 in Canadian Journal of Cardiology

Best Publications

  • Bark and Wood Boring Insects in Living Trees in Europe, a Synthesis

    François Lieutier;Keith R. Day;Andrea Battisti;Jean-Claude Grégoire

  • The Chemical Ecology of Defense in Arthropods

    Jacques Pasteels;Jean-Claude Grégoire;Martine Rowell-Rahier

  • Invasive alien predator causes rapid declines of native European ladybirds

    Helen E. Roy;Tim Adriaens;Nick J. B. Isaac;Marc Kenis

  • Climate drivers of bark beetle outbreak dynamics in Norway spruce forests

    Lorenzo Marini;Bjørn Økland;Anna Maria Jönsson;Barbara Bentz

  • Guidance on quantitative pest risk assessment

    Michael Jeger;Claude Bragard;David Caffier

  • Bark Beetle Population Dynamics in the Anthropocene: Challenges and Solutions

    Peter H W Biedermann;Peter H W Biedermann;Jörg Müller;Jörg Müller;Jean-Claude Grégoire;Axel Gruppe

  • Damage and Control of Bawbilt Organisms an Overview

    J.-C. GrÉGoire;H.F. Evans

  • Guidance on a harmonised framework for pest risk assessment and the identification and evaluation of pest risk management options by EFSA

    Richard Baker;Thierry Candresse;Erzsébet Dormannsné Simon;Gianni Gilioli

  • Long-distance dispersal and human population density allow the prediction of invasive patterns in the horse-chestnut leafminer Cameraria ohridella

    Marius Gilbert;Jean-Claude Grégoire;Jona Freise;Werner Heitland

  • Natural History and Ecology of Bark Beetles

    Kenneth Francis Raffa;Jean-Claude Grégoire;Staffan B.S. Lindgren

  • Population dynamics in changing environments: the case of an eruptive forest pest species

    Kyrre L Kausrud;Kyrre L Kausrud;Bjørn Okland;Olav Skarpaas;Jean-Claude Grégoire

  • Scientific Opinion on the risk to plant health posed by Xylella fastidiosa in the EU territory, with the identification and evaluation of risk reduction options

    Richard Baker;Claude Bragard;David Caffier;Thierry Candresse

  • Research on Parasitoids and Predators of Scolytidae – A Review

    M. Kenis;B. Wermelinger;J.-C. Grégoire

  • L’agroécologie : trajectoire et potentiel Pour une transition vers des systèmes alimentaires durables

    Pierre M Stassart;Philippe Baret;Jean-Claude Grégoire;Thierry Hance

  • Rapid increase in dispersal during range expansion in the invasive ladybird Harmonia axyridis.

    Eric Lombaert;Eric Lombaert;Eric Lombaert;Arnaud Estoup;B Facon;B. Joubard;B. Joubard;B. Joubard

  • The Greater European Spruce Beetle

    Jean-Claude Grégoire

  • Harmonia + and Pandora +: risk screening tools for potentially invasive plants, animals and their pathogens

    Bram D’hondt;Sonia Vanderhoeven;Sophie Roelandt;Francois Mayer

  • Forecasting Cameraria ohridella invasion dynamics in recently invaded countries: from validation to prediction

    M. Gilbert;S. Guichard;J. Freise;J.-C. Grégoire

  • Scientific Opinion on the risk to plant health posed by Daktulosphaira vitifoliae (Fitch) in the EU territory, with the identification and evaluation of risk reduction options

    Richard Baker;Claude Bragard;Thierry Candresse;Gilioli Gianni

  • Kinetics of larval gregarious behavior in the bark beetle Dendroctonus micans (Coleoptera: Scolytidae)

    Jean-Louis Deneubourg;Jean-Claude Grégoire;E. Le Fort

  • Scientific Opinion on the risks to plant health posed by Bemisia tabaci species complex and viruses it transmits for the EU territory

    Richard Baker;Claude Bragard;Thierry Candresse;Gianni Gilioli

Frequent Co-Authors

Claude Bragard
Claude Bragard Université Catholique de Louvain
Wopke van der Werf
Wopke van der Werf Wageningen University & Research
Vittorio Rossi
Vittorio Rossi Catholic University of the Sacred Heart
Jonathan West
Jonathan West Rothamsted Research
Thierry Candresse
Thierry Candresse University of Bordeaux
Marius Gilbert
Marius Gilbert Université Libre de Bruxelles
Paolo Gonthier
Paolo Gonthier University of Turin
Marco Pautasso
Marco Pautasso European Food Safety Authority
Jacques Pasteels
Jacques Pasteels Université Libre de Bruxelles
Juan A. Navas-Cortés
Juan A. Navas-Cortés Spanish National Research Council

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in expanding their expertise beyond Ecology and Evolution, enhanced career options await in the field of healthcare and nursing. Many professionals explore pathways such as adn to np programs online, which help bridge the gap between entry-level nursing and advanced clinical roles. These online programs are designed for working adults, offering flexible learning schedules and specialized curriculum tracks.

Those who do not have a nursing background can consider direct entry msn programs online. This pathway enables individuals with bachelor’s degrees in unrelated fields to fast-track their entry into nursing and earn a master’s degree efficiently.

Decision-making can be challenging when comparing institutions. The debate between chamberlain vs capella rn to bsn program highlights differences in flexibility, program length, and affordability.

Additionally, aspiring advanced practice nurses can explore rn to bsn to msn online programs that offer streamlined academic progression and cost savings. These online degrees not only support career growth but also reflect the evolving, interdisciplinary nature of modern science and patient care.

Best Scientists Citing Jean-Claude Grégoire

Trending Scientists

Recently Published Articles