World's Best Scientists 2026 revealed!
Gerardo I. Zardi

Gerardo I. Zardi

D-Index & Metrics

Ecology and Evolution

D-Index
33
Citations
3513
World Ranking
7939
National Ranking
97

Gerardo I. Zardi 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 Gerardo I. Zardi 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: 90 publications — 12th percentile

12% of scientists in this discipline score the same or lower.

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

Gerardo I. Zardi 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 Gerardo I. Zardi 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: 33 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Overview

Gerardo I. Zardi is affiliated with Rhodes University in South Africa and has a research focus primarily in Environmental Science and Earth and Planetary Sciences. The scientist's work spans several subfields, including Oceanography, Pollution, Ecology, Global and Planetary Change, and Ocean Engineering.

The main topics addressed in their research include Microplastics and Plastic Pollution, Marine Biology and Ecology Research, Marine Bivalve and Aquaculture Studies, Marine Biology and Environmental Chemistry, Recycling and Waste Management Techniques, Marine and Coastal Plant Biology, and Aquatic Invertebrate Ecology and Behavior.

Several recent papers by Gerardo I. Zardi demonstrate this broad research scope:

  • Species-specific plastic accumulation in the sediment and canopy of coastal vegetated habitats, 2020, The Science of The Total Environment
  • Rejection of the genetic implications of the "Abundant Centre Hypothesis" in marine mussels, 2020, Scientific Reports
  • Microplastic leachates induce species-specific trait strengthening in intertidal mussels, 2020, Ecological Applications
  • Microplastics in commercial bivalves harvested from intertidal seagrasses and sandbanks in the Ria Formosa lagoon, Portugal, 2021, Marine and Freshwater Research
  • A whale of a plastic tale: A plea for interdisciplinary studies to tackle micro- and nanoplastic pollution in the marine realm, 2022, The Science of The Total Environment

Gerardo I. Zardi has frequently published in the following venues:

  • The Science of The Total Environment (7 publications)
  • Marine Pollution Bulletin (4 publications)
  • Scientific Reports (2 publications)
  • Marine and Freshwater Research (2 publications)
  • Chemosphere (2 publications)

The scientist collaborates frequently with several researchers, showing repeated co-authorships with Katy R. Nicastro, Christopher D. McQuaid, Laurent Seuront, P. William Froneman, and Lorenzo Cozzolino.

Best Publications

  • Shift happens: trailing edge contraction associated with recent warming trends threatens a distinct genetic lineage in the marine macroalga Fucus vesiculosus.

    Katy R Nicastro;Gerardo I Zardi;Sara Teixeira;João Neiva

  • Decreased thermal tolerance under recurrent heat stress conditions explains summer mass mortality of the blue mussel Mytilus edulis

    Laurent Seuront;Katy R. Nicastro;Gerardo I. Zardi;Eric Goberville

  • Species-specific plastic accumulation in the sediment and canopy of coastal vegetated habitats.

    Lorenzo Cozzolino;Katy R. Nicastro;Gerardo I. Zardi;Carmen B. de los Santos

  • Hydrodynamic stress and habitat partitioning between indigenous (Perna perna) and invasive (Mytilus galloprovincialis) mussels: constraints of an evolutionary strategy

    G. I. Zardi;K. R. Nicastro;C. D. McQuaid;M. Rius

  • Implications of life history for genetic structure and migration rates of southern African coastal invertebrates: planktonic, abbreviated and direct development

    P. R. Teske;I. Papadopoulos;I. Papadopoulos;G. I. Zardi;C. D. McQuaid

  • Unexpected genetic structure of mussel populations in South Africa: indigenous Perna perna and invasive Mytilus galloprovincialis

    G. I. Zardi;C. D. McQuaid;P. R. Teske;N. P. Barker

  • Upwelling areas as climate change refugia for the distribution and genetic diversity of a marine macroalga

    Carla R. Lourenço;Carla R. Lourenço;Gerardo I. Zardi;Christopher D. McQuaid;Ester A. Serrão

  • Balancing survival and reproduction: seasonality of wave action, attachment strength and reproductive output in indigenous Perna perna and invasive Mytilus galloprovincialis mussels

    G. I. Zardi;C. D. McQuaid;K. R. Nicastro

  • Adaptive traits are maintained on steep selective gradients despite gene flow and hybridization in the intertidal zone.

    Gerardo I. Zardi;Katy R. Nicastro;Fernando Canovas;Joana Ferreira Costa

  • The role of gaping behaviour in habitat partitioning between coexisting intertidal mussels

    Katy R Nicastro;Katy R Nicastro;Gerardo I Zardi;Gerardo I Zardi;Christopher D McQuaid;Linda Stephens

  • Long-term, high frequency in situ measurements of intertidal mussel bed temperatures using biomimetic sensors.

    Brian Helmuth;Francis Choi;Allison Matzelle;Jessica L. Torossian

  • Love Thy Neighbour: Group Properties of Gaping Behaviour in Mussel Aggregations

    Katy R. Nicastro;Gerardo I. Zardi;Christopher D. McQuaid;Gareth A. Pearson

  • Sand and wave induced mortality in invasive ( Mytilus galloprovincialis ) and indigenous ( Perna perna ) mussels

    G.I. Zardi;K.R. Nicastro;C.D. McQuaid;Johan Erlandsson

  • The combination of selection and dispersal helps explain genetic structure in intertidal mussels.

    Gerardo I Zardi;Gerardo I Zardi;Katy R Nicastro;Katy R Nicastro;C D McQuaid;L Hancke

  • Plastic ingestion in aquatic birds in Portugal.

    Marta N. Basto;Katy R. Nicastro;Ana I. Tavares;Christopher D. McQuaid

  • Coastal topography drives genetic structure in marine mussels

    K. R. Nicastro;G. I. Zardi;C. D. McQuaid;P. R. Teske

  • Oceanographic Conditions Limit the Spread of a Marine Invader along Southern African Shores.

    Jorge Assis;Mirta Zupan;Katy R. Nicastro;Gerardo I. Zardi

  • Effects of Endolithic Parasitism on Invasive and Indigenous Mussels in a Variable Physical Environment

    Gerardo Ivan Zardi;Katy Rebecca Nicastro;Christopher David McQuaid;Marcos Gektidis

  • Taking the heat: distinct vulnerability to thermal stress of central and threatened peripheral lineages of a marine macroalga

    Gabriel Saada;Katy R. Nicastro;Rita Jacinto;Christopher D. McQuaid

  • Differential reproductive investment, attachment strength and mortality of invasive and indigenous mussels across heterogeneous environments

    Katy R Nicastro;Katy R Nicastro;Gerardo I Zardi;Gerardo I Zardi;C. D. McQuaid

Frequent Co-Authors

Christopher D. McQuaid
Christopher D. McQuaid Rhodes University
Ester A. Serrão
Ester A. Serrão University of Algarve
Gareth A. Pearson
Gareth A. Pearson University of Algarve
Peter R. Teske
Peter R. Teske University of Johannesburg
Jorge Assis
Jorge Assis University of Algarve
Laurent Seuront
Laurent Seuront Centre national de la recherche scientifique, CNRS
Nigel P. Barker
Nigel P. Barker University of Pretoria
Marcel Bucher
Marcel Bucher University of Cologne
Ugo Valbusa
Ugo Valbusa University of Genoa

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

Students interested in Ecology and Evolution may also want to explore related fields in psychology and mental health, which often intersect with environmental studies. Understanding how humans interact with ecosystems can benefit from a background in behavioral sciences.

For those considering a broader career pathway, several flexible online programs are available in allied areas. An online masters in psychology offers a strong foundation in scientific research and human behavior, valuable for studying environmental decision-making.

A specialized forensic psychology degree allows you to investigate how psychological principles apply within legal and investigative contexts, which can complement ecological forensics and conservation law.

Those focused on well-being and community engagement may consider the online masters in mental health counseling, or investigate the growing field of youth advocacy with child psychology masters programs.

These interdisciplinary options can expand your ecological perspective and open diverse, rewarding career pathways addressing both environmental and human health challenges.

Best Scientists Citing Gerardo I. Zardi

Trending Scientists

Recently Published Articles