World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
46
Citations
6379
World Ranking
6194
National Ranking
270

Olivier Geffard publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Olivier Geffard sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 172 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Olivier Geffard D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Olivier Geffard sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 46 D-Index — 39th percentile

39% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Olivier Geffard is affiliated with the French Research Institute for Exploitation of the Sea in France. Their primary area of research lies within Environmental Science, with a strong focus on subfields such as Health, Toxicology and Mutagenesis, Pollution, Molecular Biology, Ecology, and Spectroscopy.

The scientist's published work prominently covers topics including Environmental Toxicology and Ecotoxicology, Pharmaceutical and Antibiotic Environmental Impacts, Metabolomics and Mass Spectrometry Studies, Heavy Metals in the Environment, Aquatic Invertebrate Ecology and Behavior, Pesticide and Herbicide Environmental Studies, and Fish Ecology and Management Studies.

Geffard has contributed to numerous scientific journals, with frequent publications in venues such as:

  • The Science of The Total Environment
  • bioRxiv (Cold Spring Harbor Laboratory)
  • SSRN Electronic Journal
  • Environmental Pollution
  • Aquatic Toxicology

Recent research papers include:

  • "In situ isobaric lipid mapping by MALDI-ion mobility separation-mass spectrometry imaging" (2020, Journal of Mass Spectrometry)
  • "Interest of a multispecies approach in active biomonitoring: Application in the Meuse watershed" (2021, The Science of The Total Environment)
  • "Combining proteogenomics and metaproteomics for deep taxonomic and functional characterization of microbiomes from a non-sequenced host" (2020, npj Biofilms and Microbiomes)
  • "One and multi-compartments toxico-kinetic modeling to understand metals' organotropism and fate in Gammarus fossarum" (2021, Environment International)
  • "Integrative biomarker response - Threshold (IBR-T): Refinement of IBRv2 to consider the reference and threshold values of biomarkers" (2023, Journal of Environmental Management)

The scientist collaborates frequently with a number of coauthors, notably Arnaud Chaumot, Davide Degli Esposti, Nicolas Delorme, Sophie Ayciriex, and Laura Garnero.

Best Publications

  • Acetylcholinesterase activity in Gammarus fossarum (Crustacea Amphipoda): linking AChE inhibition and behavioural alteration.

    Benoît Xuereb;Estelle Lefèvre;Jeanne Garric;Olivier Geffard

  • Evidence of genotoxicity related to high PAH content of sediments in the upper part of the Seine estuary (Normandy, France)

    J. Cachot;O. Geffard;S. Augagneur;S. Lacroix

  • Non-model organisms, a species endangered by proteogenomics.

    Jean Armengaud;Judith Trapp;Olivier Pible;Olivier Geffard

  • Physiological and behavioural responses of Gammarus pulex (Crustacea: Amphipoda) exposed to cadmium

    V. Felten;G. Charmantier;R. Mons;A. Geffard

  • A comparison between oyster (Crassostrea gigas) and sea urchin (Paracentrotus lividus) larval bioassays for toxicological studies

    Edouard His;Isabelle Heyvang;Olivier Geffard;Xavier de Montaudouin

  • Effects of metals on feeding rate and digestive enzymes in Gammarus fossarum: an in situ experiment.

    O. Dedourge-Geffard;F. Palais;S. Biagianti-Risbourg;O. Geffard

  • Caged Gammarus fossarum (Crustacea) as a robust tool for the characterization of bioavailable contamination levels in continental waters: towards the determination of threshold values.

    Jean-Philippe Besse;Marina Coquery;Christelle Lopes;Arnaud Chaumot

  • Relevance and applicability of active biomonitoring in continental waters under the Water Framework Directive

    Jean-Philippe Besse;Olivier Geffard;Marina Coquery

  • Genotoxicant accumulation and cellular defence activation in bivalves chronically exposed to waterborne contaminants from the Seine River.

    B. Rocher;J. Le Goff;L. Peluhet;M. Briand

  • In situ feeding assay with Gammarus fossarum (Crustacea): Modelling the influence of confounding factors to improve water quality biomonitoring.

    Romain Coulaud;Olivier Geffard;Benoît Xuereb;Emilie Lacaze

  • Ovarian cycle and embryonic development in Gammarus fossarum: Application for reproductive toxicity assessment

    Olivier Geffard;Benoit Xuereb;Arnaud Chaumot;Alain Geffard

  • Acetylcholinesterase activity in Gammarus fossarum (Crustacea Amphipoda) Intrinsic variability, reference levels, and a reliable tool for field surveys.

    Benoît Xuereb;Arnaud Chaumot;Raphael Mons;Jeanne Garric

  • Assessment of the bioavailability and toxicity of sediment-associated polycyclic aromatic hydrocarbons and heavy metals applied to Crassostrea gigas embryos and larvae.

    O. Geffard;A. Geffard;E. His;H. Budzinski

  • Towards a renewed research agenda in ecotoxicology

    Joan Artigas;Gertie Arts;Marc Babut;Anna Barra Caracciolo

  • Genotoxicity assessment in the amphipod Gammarus fossarum by use of the alkaline Comet assay

    Emilie Lacaze;Olivier Geffard;Sylvie Bony;Alain Devaux

  • Measurement of dynamic mobilization of trace metals in sediments using DGT and comparison with bioaccumulation in Chironomus riparius: First results of an experimental study

    J.L. Roulier;M.H. Tusseau-Vuillemin;M. Coquery;O. Geffard

  • Subcellular compartmentalization of cadmium, nickel, and lead in Gammarus fossarum: Comparison of methods.

    Alain Geffard;Hervé Sartelet;Jeanne Garric;Sylvie Biagianti-Risbourg

  • Cholinesterase activities as potential biomarkers: Characterization in two freshwater snails, Potamopyrgus antipodarum (Mollusca, Hydrobiidae, Smith 1889) and Valvata piscinalis (Mollusca, Valvatidae, Müller 1774)

    Beatrice Gagnaire;Olivier Geffard;Benoit Xuereb;Christelle Margoum

  • Linking genotoxic responses in Gammarus fossarum germ cells with reproduction impairment, using the Comet assay

    Emilie Lacaze;Olivier Geffard;Delphine Goyet;Sylvie Bony

  • Ecotoxicoproteomics: A decade of progress in our understanding of anthropogenic impact on the environment.

    Duarte Gouveia;Christine Almunia;Yannick Cogne;Olivier Pible

  • DNA damage in caged Gammarus fossarum amphipods: A tool for freshwater genotoxicity assessment

    Emilie Lacaze;Alain Devaux;Raphaël Mons;Sylvie Bony

Frequent Co-Authors

Jeanne Garric
Jeanne Garric École Normale Supérieure
Hélène Budzinski
Hélène Budzinski University of Bordeaux
Marina Coquery
Marina Coquery INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Pierre Labadie
Pierre Labadie University of Bordeaux
Jean Armengaud
Jean Armengaud Atomic Energy and Alternative Energies Commission
Pierre Servais
Pierre Servais Université Libre de Bruxelles
Catherine Mouneyrac
Catherine Mouneyrac Catholic University of the West
Ricardo Beiras
Ricardo Beiras Universidade de Vigo
Jean-Claude Amiard
Jean-Claude Amiard University of Nantes
François Galgani
François Galgani French Research Institute for Exploitation of the Sea

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