World's Best Scientists 2026 revealed!
William J. Sydeman

William J. Sydeman

D-Index & Metrics

Ecology and Evolution

D-Index
75
Citations
25310
World Ranking
1043
National Ranking
392

William J. Sydeman 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 William J. Sydeman 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: 226 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

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

William J. Sydeman 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 William J. Sydeman 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: 75 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

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

Overview

William J. Sydeman is affiliated with the Farallon Institute in the United States. Their research primarily focuses on environmental and earth sciences, with a substantial body of work in global and planetary change, ecology, oceanography, nature and landscape conservation, and atmospheric science. The scientist's expertise encompasses marine and fisheries research, fish ecology and management studies, marine bivalve and aquaculture studies, climate variability and models, arctic and antarctic ice dynamics, oceanographic and atmospheric processes, and avian ecology and behavior.

They have coauthored frequently with several researchers, including Marisol García-Reyes, Sarah Thompson, Steven J. Bograd, Elliott L. Hazen, and Michael G. Jacox. The collaboration with these coauthors reflects a network of scholarly exchange that supports their diverse research interests.

William J. Sydeman has published extensively in venues such as Frontiers in Marine Science, ICES Journal of Marine Science, Zenodo (CERN European Organization for Nuclear Research), PLoS ONE, and Nature Communications. Their contributions in these journals cover a range of ecological and environmental topics relevant to marine science and climate studies.

Notable recent papers include:

  • Extreme mortality and reproductive failure of common murres resulting from the northeast Pacific marine heatwave of 2014-2016, 2020, PLoS ONE
  • Habitat compression and ecosystem shifts as potential links between marine heatwave and record whale entanglements, 2020, Nature Communications
  • Climate Change Impacts on Eastern Boundary Upwelling Systems, 2022, Annual Review of Marine Science
  • Climate change impacts on seabirds and marine mammals: The importance of study duration, thermal tolerance and generation time, 2021, Ecology Letters
  • Global decline in ocean memory over the 21st century, 2022, Science Advances

The scope of their work spans important ecological and marine phenomena, focusing on the effects of climate variability and change on marine ecosystems, seabirds, marine mammals, and oceanographic processes. This research contributes to a better understanding of environmental dynamics and ecosystem responses in the context of ongoing global change.

Best Publications

  • Climate Change Impacts on Marine Ecosystems

    Scott C. Doney;Mary Ruckelshaus;J. Emmett Duffy;James P. Barry

  • Global imprint of climate change on marine life

    Elvira S. Poloczanska;Christopher J. Brown;Christopher J. Brown;William J. Sydeman;Wolfgang Kiessling;Wolfgang Kiessling

  • The pace of shifting climate in marine and terrestrial ecosystems.

    Michael T. Burrows;David S. Schoeman;David S. Schoeman;Lauren B. Buckley;Pippa Moore;Pippa Moore

  • Responses of Marine Organisms to Climate Change across Oceans

    Elvira S. Poloczanska;Elvira S. Poloczanska;Michael T. Burrows;Christopher J. Brown;Jorge García Molinos;Jorge García Molinos;Jorge García Molinos

  • Global Seabird Response to Forage Fish Depletion-One-Third for the Birds

    Philippe M. Cury;Ian L. Boyd;Sylvain Bonhommeau;Tycho Anker-Nilssen

  • Climate change and wind intensification in coastal upwelling ecosystems

    W. J. Sydeman;M. García-Reyes;D. S. Schoeman;R. R. Rykaczewski

  • Geographical limits to species-range shifts are suggested by climate velocity

    Michael T. Burrows;David S. Schoeman;Anthony J. Richardson;Anthony J. Richardson;Jorge García Molinos

  • A review of human disturbance effects on nesting colonial waterbirds

    Karen M. Carney;William J. Sydeman

  • Anticipated Effects of Climate Change on Coastal Upwelling Ecosystems

    A. Bakun;B. A. Black;S. J. Bograd;M. García-Reyes

  • Marine top predators as climate and ecosystem sentinels

    Elliott L Hazen;Elliott L Hazen;Briana Abrahms;Stephanie Brodie;Stephanie Brodie;Gemma Carroll;Gemma Carroll

  • Phenology of coastal upwelling in the California Current

    Steven J. Bograd;Isaac Schroeder;Nandita Sarkar;Xuemei Qiu

  • Extreme mortality and reproductive failure of common murres resulting from the northeast Pacific marine heatwave of 2014-2016.

    John F. Piatt;Julia K. Parrish;Heather M. Renner;Sarah K. Schoen

  • Seabirds as indicators of marine ecosystems

    John F. Piatt;William J. Sydeman;Francis Wiese

  • Poleward displacement of coastal upwelling‐favorable winds in the ocean's eastern boundary currents through the 21st century

    Ryan R. Rykaczewski;John P. Dunne;William J. Sydeman;Marisol García-Reyes

  • Marine bird and cetacean associations with bathymetric habitats and shallow-water topographies: implications for trophic transfer and conservation

    Peggy P.W. Yen;William J. Sydeman;K.David Hyrenbach

  • Climate change, reproductive performance and diet composition of marine birds in the southern California Current system, 1969-1997

    William J Sydeman;Michelle M Hester;Julie A Thayer;Franklin Gress

  • Climate change and marine vertebrates

    William J. Sydeman;Elvira Poloczanska;Thomas E. Reed;Sarah Ann Thompson

  • Under Pressure: Climate Change, Upwelling, and Eastern Boundary Upwelling Ecosystems

    Marisol García-Reyes;William J. Sydeman;David S. Schoeman;Ryan R. Rykaczewski

  • Habitat compression and ecosystem shifts as potential links between marine heatwave and record whale entanglements.

    Jarrod A. Santora;Nathan J. Mantua;Isaac D. Schroeder;John C. Field

  • Breeding performance in the western gull : effects of parental age, timing of breeding and year in relation to food availability

    William J. Sydeman;Jay F. Penniman;Teresa M. Penniman;Peter Pyle

  • Upper trophic level predators indicate interannual negative and positive anomalies in the California Current food web

    DG Ainley;WJ Sydeman;J. Norton

Frequent Co-Authors

Steven J. Bograd
Steven J. Bograd National Oceanic and Atmospheric Administration
John C. Field
John C. Field National Oceanic and Atmospheric Administration
David S. Schoeman
David S. Schoeman University of the Sunshine Coast
Carlos M. Duarte
Carlos M. Duarte King Abdullah University of Science and Technology
Anthony J. Richardson
Anthony J. Richardson University of Queensland
Bryan Andrew Black
Bryan Andrew Black University of Arizona
Pippa J. Moore
Pippa J. Moore Newcastle University
Franklin B. Schwing
Franklin B. Schwing National Oceanic and Atmospheric Administration
Benjamin S. Halpern
Benjamin S. Halpern University of California, Santa Barbara
Elvira S. Poloczanska
Elvira S. Poloczanska Intergovernmental Panel on Climate Change

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