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Gustaaf M. Hallegraeff

Gustaaf M. Hallegraeff

University of Tasmania
Australia

Award Badge
Biology and Biochemistry
Australia
2023

D-Index & Metrics

Biology and Biochemistry

D-Index
85
Citations
29252
World Ranking
3122
National Ranking
69

Gustaaf M. Hallegraeff publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Gustaaf M. Hallegraeff sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 344 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Gustaaf M. Hallegraeff D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Gustaaf M. Hallegraeff sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 85 D-Index — 84th percentile

84% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Research.com Recognitions

  • 2023 - Research.com Biology and Biochemistry in Australia Leader Award

Overview

Gustaaf M. Hallegraeff is affiliated with the University of Tasmania in Australia. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with significant focus on Oceanography, Ecology, Environmental Chemistry, Molecular Biology, and Biomaterials.

The scientist's work addresses key topics including:

  • Marine Toxins and Detection Methods
  • Marine and coastal ecosystems
  • Microbial Community Ecology and Physiology
  • Marine Biology and Ecology Research
  • Protist diversity and phylogeny
  • Environmental DNA in Biodiversity Studies
  • Isotope Analysis in Ecology

Hallegraeff has contributed extensively to the literature, publishing research in various journals. Frequent publication venues include:

  • Harmful Algae
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Scientific Reports
  • Toxins
  • Australian Systematic Botany

Recent papers authored or co-authored by Hallegraeff include:

  • Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts, 2021, Communications Earth & Environment
  • Global harmful algal bloom status reporting, 2021, Harmful Algae

Frequent collaborators in their research are:

  • Christopher J. S. Bolch
  • Linda Armbrecht
  • Alison Turnbull
  • Andreas Seger
  • D. Tim Harwood

In addition to journal publications, Hallegraeff has authored work in book format. One such publication is Harmful Australian Marine Microalgae, published by CSIRO Publishing in 2024.

Best Publications

  • Physiological ecology of harmful algal blooms

    D. M. Anderson;Allan Cembella;G. M. Hallegraeff

  • Progress in understanding harmful algal blooms: paradigm shifts and new technologies for research, monitoring, and management.

    Donald M. Anderson;Allan D. Cembella;Gustaaf M. Hallegraeff

  • Harmful algal blooms: a global overview

    G.M. Hallegraeff

  • OCEAN CLIMATE CHANGE, PHYTOPLANKTON COMMUNITY RESPONSES, AND HARMFUL ALGAL BLOOMS: A FORMIDABLE PREDICTIVE CHALLENGE

    Gustaaf M. Hallegraeff

  • Manual on Harmful Marine Microalgae

    G.M. Hallegraeff;D.M. Anderson;A.D. Cembella

  • Transport of diatom and dinoflagellate resting spores in ships' ballast water: implications for plankton biogeography and aquaculture

    G.M. Hallegraeff;C.J. Bolch

  • Millimeter-Sized Marine Plastics: A New Pelagic Habitat for Microorganisms and Invertebrates

    Julia Wiener Reisser;Jeremy Shaw;Gustaaf Hallegraeff;Maíra Carneiro Proietti

  • Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts

    Gustaaf M. Hallegraeff;Donald M. Anderson;Catherine Belin;Marie-Yasmine Dechraoui Bottein

  • Transport of toxic dinoflagellates via ships ballast water: bioeconomic risk assessment and efficacy of possible ballast water management strategies

    Gustaaf M. Hallegraeff

  • Defining Planktonic Protist Functional Groups on Mechanisms for Energy and Nutrient Acquisition: Incorporation of Diverse Mixotrophic Strategies

    Aditee Mitra;Kevin J. Flynn;Urban Tillmann;John A. Raven

  • Future HAB science: Directions and challenges in a changing climate.

    Mark L. Wells;Mark L. Wells;Bengt Karlson;Angela Wulff;Raphael Kudela

  • Transport of toxic dinoflagellate cysts via ships' ballast water☆

    Gustaaf M. Hallegraeff;Christopher J. Bolch

  • Algicidal Effects of a Novel Marine Pseudoalteromonas Isolate (Class Proteobacteria, Gamma Subdivision) on Harmful Algal Bloom Species of the Genera Chattonella, Gymnodinium, and Heterosigma

    Connie Lovejoy;John P. Bowman;John P. Bowman;Gustaaf M. Hallegraeff

  • VEGETATIVE REPRODUCTION AND SEXUAL LIFE CYCLE OF THE TOXIC DINOFLAGELLATE GYMNODINIUM CATENATUM FROM TASMANIA, AUSTRALIA

    Susan I. Blackburn;Gustaaf M. Hallegraeff;Christopher J. Bolch

  • Harmful Algal Blooms 2000

    GM Hallegraeff;SI Blackburn;CJ Bolch;RJ Lewis

  • Pelagic harmful algal blooms and climate change: Lessons from nature’s experiments with extremes

    Vera L. Trainer;Stephanie K. Moore;Gustaaf Hallegraeff;Raphael M. Kudela

  • Comparative study on paralytic shellfish toxin profiles of the dinoflagellate Gymnodinium catenatum from three different countries

    Y. Oshima;S. I. Blackburn;G. M. Hallegraeff

  • Molecular evolution of the Alexandrium tamarense 'species complex' (Dinophyceae): Dispersal in the North American and West Pacific regions

    C. A. Scholin;G. M. Hallegraeff;D. M. Anderson

  • Seasonal Study of Phytoplankton Pigments and Species at a Coastal Station off Sydney: Importance of Diatoms and the Nanoplankton

    G. M. Hallegraeff

  • Three estuarine Australian dinoflagellates that can produce paralytic shellfish toxins

    G.M. Hallegraeff;D.A. Steffensen;R. Wetherbee

Frequent Co-Authors

Shauna A. Murray
Shauna A. Murray University of Technology Sydney
Susan I. Blackburn
Susan I. Blackburn CSIRO Marine and Atmospheric Research
Anthony J. Richardson
Anthony J. Richardson University of Queensland
Peter D. Nichols
Peter D. Nichols Commonwealth Scientific and Industrial Research Organisation
Martina A. Doblin
Martina A. Doblin University of Technology Sydney
Donald M. Anderson
Donald M. Anderson Woods Hole Oceanographic Institution
Thomas W. Trull
Thomas W. Trull Commonwealth Scientific and Industrial Research Organisation
Andrew McMinn
Andrew McMinn University of Tasmania
Allen R. Place
Allen R. Place University of Maryland Center For Environmental Sciences
Michele A. Burford
Michele A. Burford Griffith University

External Links

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Best Scientists Citing Gustaaf M. Hallegraeff

Donald M. Anderson

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Publications: 121

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Seoul National University

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Patricia M. Glibert

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Allan Cembella

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Alfred Wegener Institute for Polar and Marine Research

Publications: 54

Uwe John

Uwe John

Alfred Wegener Institute for Polar and Marine Research

Publications: 47

Senjie Lin

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Publications: 45

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Publications: 39

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Publications: 35

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