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
4623
National Ranking
58

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.

37–46 publications: 11 scientists 47–56 publications: 41 scientists 57–66 publications: 147 scientists 67–76 publications: 219 scientists 77–86 publications: 409 scientists 87–96 publications: 467 scientists 97–106 publications: 613 scientists 107–116 publications: 585 scientists 117–126 publications: 591 scientists 127–136 publications: 567 scientists 137–146 publications: 535 scientists 147–156 publications: 481 scientists 157–166 publications: 404 scientists 167–176 publications: 338 scientists 177–186 publications: 362 scientists 187–196 publications: 309 scientists 197–206 publications: 246 scientists 207–216 publications: 223 scientists 217–226 publications: 205 scientists 227–236 publications: 167 scientists 237–246 publications: 141 scientists 247–256 publications: 150 scientists 257–266 publications: 125 scientists 267–276 publications: 113 scientists 277–286 publications: 92 scientists 287–296 publications: 81 scientists 297–306 publications: 77 scientists 307–316 publications: 64 scientists 317–326 publications: 47 scientists 327–336 publications: 58 scientists 337–346 publications: 52 scientists 347–356 publications: 48 scientists 357–366 publications: 50 scientists 367–376 publications: 30 scientists 377–386 publications: 30 scientists 387–396 publications: 34 scientists 397–406 publications: 25 scientists 407–416 publications: 17 scientists 417–426 publications: 12 scientists 427–436 publications: 20 scientists 437–446 publications: 9 scientists 447–456 publications: 12 scientists 457–466 publications: 11 scientists 467–476 publications: 13 scientists 477–486 publications: 10 scientists 487–496 publications: 7 scientists 497–506 publications: 12 scientists 507–516 publications: 10 scientists 517–526 publications: 9 scientists 527–532 publications: 6 scientists 533+ publications: 100 scientists
37 publications 533+

This scientist: 378 publications — 96th percentile

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

The last bar groups every scientist with 533 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: 152 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: 120 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: 28 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: 8 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: 3 scientists 122+ D-Index: 99 scientists
30 D-Index 122+

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 122 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