World's Best Scientists 2026 revealed!
Michael J. Risk

Michael J. Risk

D-Index & Metrics

Ecology and Evolution

D-Index
61
Citations
9992
World Ranking
2236
National Ranking
147

Michael J. Risk 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 Michael J. Risk 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: 139 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Michael J. Risk 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 Michael J. Risk 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: 61 D-Index — 75th percentile

75% of scientists in this discipline score the same or lower.

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

Overview

Michael J. Risk is affiliated with McMaster University in Canada and focuses their research in the field of Environmental Science. Their work broadly covers global and planetary change, ecology, pollution, health, toxicology and mutagenesis, as well as dermatology.

Their research topics include coral and marine ecosystems studies, marine and fisheries research, toxic organic pollutants impact, marine bivalve and aquaculture studies, pharmaceutical and antibiotic environmental impacts, skin protection and aging, and environmental toxicology and ecotoxicology.

Michael J. Risk has contributed publications to multiple scientific venues, including:

  • Chemosphere
  • The Science of The Total Environment
  • Marine Pollution Bulletin
  • Regional Studies in Marine Science
  • Oceans

Among their recent papers are:

  • "Cage aquaculture in the Persian Gulf: A cautionary tale for Iran and the world" (2021), Marine Pollution Bulletin
  • "Oxybenzone contamination from sunscreen pollution and its ecological threat to Hanauma Bay, Oahu, Hawaii, U.S.A." (2021), Chemosphere
  • "Occurrence and source of PAHs in Miankaleh International Wetland in Iran" (2023), Chemosphere
  • "Biodeposit dispersion around a deep cage finfish farm in the Northern Persian Gulf" (2023), Regional Studies in Marine Science
  • "Potential impact of the 2023 Lahaina wildfire on the marine environment: Modeling the transport of ash-laden benzo[a]pyrene and pentachlorophenol" (2024), The Science of The Total Environment

Frequent collaborators include:

  • S. Abbas Haghshenas
  • Craig A. Downs
  • Shadan Nasseri Doust
  • Elizabeth Bishop
  • Aref Farhangmehr

Best Publications

  • Fish Diversity on a Coral Reef in the Virgin Islands

    Michael J. Risk

  • Reef degradation and coral biodiversity in indonesia: Effects of land-based pollution, destructive fishing practices and changes over time

    Evan N Edinger;Evan N Edinger;Jamaluddin Jompa;Jamaluddin Jompa;Gino V Limmon;Wisnu Widjatmoko

  • Normal Coral Growth Rates on Dying Reefs: Are Coral Growth Rates Good Indicators of Reef Health?

    Evan N Edinger;Evan N Edinger;Gino V Limmon;Jamaluddin Jompa;Jamaluddin Jompa;Wisnu Widjatmoko

  • Increase in Cliona delitrix Infestation of Montastrea cavernosa Heads on an Organically Polluted Portion of the Grand Cayman Fringing Reef

    Christopher S. Rose;Michael J. Risk

  • Lifespans and growth patterns of two deep-sea corals: Primnoa resedaeformis and Desmophyllum cristagalli

    M. J. Risk;J. M. Heikoop;M. G. Snow;R. Beukens

  • Clionid sponge surveys on the Florida Reef Tract suggest land-based nutrient inputs

    Christine A. Ward-Paige;Michael J. Risk;Owen A. Sherwood;Walter C. Jaap

  • Reef classification by coral morphology predicts coral reef conservation value

    Evan N Edinger;Evan N Edinger;Michael J Risk;Michael J Risk

  • Oligocene-Miocene extinction and geographic restriction of Caribbean corals; roles of turbidity, temperature, and nutrients

    Evan N. Edinger;Michael J. Risk

  • Bioerosion of Live Massive Corals and Branching Coral Rubble on Indonesian Coral Reefs

    Katherine E. Holmes;Evan N. Edinger;Evan N. Edinger;Evan N. Edinger;Hariyadi;Gino V. Limmon

  • The use of δ15N in assessing sewage stress on coral reefs

    Michael J. Risk;Brian E. Lapointe;Owen A. Sherwood;Bradley J. Bedford

  • Mollusc Shell Encrustation and Bioerosion Rates in a Modern Epeiric Sea: Taphonomy Experiments in the Java Sea, Indonesia

    Halard L. Lescinsky;Evan Edinger;Michael J. Risk

  • Bioerosion in Acropora across the continental shelf of the Great Barrier Reef

    M. J. Risk;M. J. Risk;P. W. Sammarco;E. N. Edinger;E. N. Edinger

  • Large-scale patterns in internal bioerosion of Porites: cross continental shelf trends on the Great Barrier Reef

    PW Sammarco;MJ Risk

  • Supershrimp: Deep Bioturbation in the Strait of Canso, Nova Scotia

    George S. Pemberton;Michael J. Risk;Dale E. Buckley

  • Nitrogen-15 Signals of Anthropogenic Nutrient Loading in Reef Corals

    J.M. Heikoop;J.M. Heikoop;M.J. Risk;A.V. Lazier;E.N. Edinger;E.N. Edinger

  • Rapid climate change in the North Atlantic during the Younger Dryas recorded by deep-sea corals

    Jodie E. Smith;Michael J. Risk;Henry P. Schwarcz;Ted A. McConnaughey

  • Calcification of exposed filaments of endolithic algae, micrite envelope formation and sediment production

    David R. Kobluk;Michael J. Risk

  • Do Norwegian deep-water coral reefs rely on seeping fluids?

    M. Hovland;M. Risk

  • Rate of dissolution of carbonate sediments by microboring organisms, Davies Reef, Australia

    Alexander W. Tudhope;Michael J. Risk

  • Paleotemperatures From Deep-Sea Corals: Overcoming ‘Vital Effects’

    Jodie E. Smith;Henry P. Schwarcz;Michael J. Risk;Ted A. McCONNAUGHEY

  • Evolutionary Paleoecology of the Marine Biosphere

    Michael J. Risk

Frequent Co-Authors

Henry P. Schwarcz
Henry P. Schwarcz McMaster University
Paul W. Sammarco
Paul W. Sammarco Australian Institute of Marine Science
Jamaluddin Jompa
Jamaluddin Jompa Hasanuddin University
David B. Scott
David B. Scott Dalhousie University
Evan Edinger
Evan Edinger Memorial University of Newfoundland
Thomas P. Guilderson
Thomas P. Guilderson University of California, Santa Cruz
Bassam Ghaleb
Bassam Ghaleb University of Quebec at Montreal
Thierry M. Work
Thierry M. Work United States Geological Survey
Steve W. Ross
Steve W. Ross University of North Carolina Wilmington
Brian E. Lapointe
Brian E. Lapointe Harbor Branch Oceanographic Institute

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