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Steven J. Jeffries

Steven J. Jeffries 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 Steven J. Jeffries 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+

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

Steven J. Jeffries 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 Steven J. Jeffries 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+

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

Overview

Steven J. Jeffries is affiliated with the Washington Department of Fish and Wildlife in the United States. Their research focuses predominantly on environmental science with a concentration in marine animal studies and ecology. Their work spans several interconnected subfields including ecology, global and planetary change, ocean engineering, nature and landscape conservation, and molecular biology.

The main topics addressed by Jeffries' research include marine animal studies overview, maritime navigation and safety, marine and fisheries research, fish ecology and management studies, avian ecology and behavior, environmental DNA in biodiversity studies, and identification and quantification in food.

Jeffries has contributed to multiple recent publications, notable among them are:

  • Causes of Mortality in a Harbor Seal (Phoca vitulina) Population at Equilibrium, 2020, published in Frontiers in Marine Science
  • Data on the diets of Salish Sea harbour seals from DNA metabarcoding, 2022, published in Scientific Data
  • Variation in predator diet and prey size affects perceived impacts to salmon species of high conservation concern, 2021, published in Canadian Journal of Fisheries and Aquatic Sciences
  • Cetacean Strandings in the US Pacific Northwest 2000-2019 Reveal Potential Linkages to Oceanographic Variability, 2022, published in Frontiers in Marine Science
  • Reemergence of Guadalupe fur seals in the U.S. Pacific Northwest: The epidemiology of stranding events during 2005-2016, 2020, published in Marine Mammal Science

Jeffries frequently publishes in scientific journals such as Frontiers in Marine Science and Marine Mammal Science, with additional works appearing in Scientific Data, Canadian Journal of Fisheries and Aquatic Sciences, and the Journal of Wildlife Management.

Collaborations are a significant aspect of Jeffries' scientific contributions. Frequent co-authors include Scott F. Pearson, Jennifer K. Olson, Stephen Raverty, Joseph K. Gaydos, and Jessica L. Huggins. Each has collaborated with Jeffries on multiple projects, reflecting ongoing partnerships within the research community.

Best Publications

  • Trends and status of harbor seals in Washington State: 1978-1999

    Steven Jeffries;Harriet Huber;John Calambokidis;Jeffrey Laake

  • Harbor seals (Phoca vitulina) in British Columbia, Canada, and Washington State, USA, reveal a combination of local and global polychlorinated biphenyl, dioxin, and furan signals.

    Peter S. Ross;Steven J. Jeffries;Mark B. Yunker;Richard F. Addison

  • PCB-related alteration of thyroid hormones and thyroid hormone receptor gene expression in free-ranging harbor seals (Phoca vitulina).

    Maki Tabuchi;Nik Veldhoen;Neil Dangerfield;Steven Jeffries

  • Abundance and distribution of the eastern North Pacific Steller sea lion (Eumetopias jubatus) population

    Kenneth W. Pitcher;Peter F. Olesiuk;Robin F. Brown;Mark S. Lowry

  • Evidence of Brucella infection in Parafilaroides lungworms in a Pacific harbor seal (Phoca vitulina richardsi).

    Michael M. Garner;Dyanna M. Lambourn;Steven J. Jeffries;P. Briggs Hall

  • CORRECTING AERIAL SURVEY COUNTS OF HARBOR SEALS (PHOCA VITULINA RICHARDSI) IN WASHINGTON AND OREGON

    Harriet R. Huber;Steven J. Jeffries;Robin F. Brown;Robert L. Delong

  • Competing tradeoffs between increasing marine mammal predation and fisheries harvest of Chinook salmon.

    Brandon E. Chasco;Brandon E. Chasco;Isaac C. Kaplan;Austen C. Thomas;Alejandro Acevedo-Gutiérrez

  • Harbor Seal Diet in Northern Puget Sound: Implications for the Recovery of Depressed Fish Stocks

    Monique M. Lance;Wan-Ying Chang;Steven J. Jeffries;Scott F. Pearson

  • Contaminant-related disruption of vitamin a dynamics in free-ranging harbor seal (Phoca vitulina) pups from british columbia, canada, and washington state, usa

    Wendy Simms;Steven Jeffries;Michael Ikonomou;Peter S. Ross

  • Estimates of Chinook salmon consumption in Washington State inland waters by four marine mammal predators from 1970 to 2015

    Brandon Chasco;Isaac Kaplan;Austen Thomas;Alejandro Acevedo-Gutiérrez

  • Incidence of ship strikes of large whales in Washington State

    Annie B. Douglas;John Calambokidis;Stephen Raverty;Steven J. Jeffries

  • GROWTH AND DEVELOPMENT IN FREE‐RANGING HARBOR SEAL (PHOCA VITULINA) PUPS FROM SOUTHERN BRITISH COLUMBIA, CANADA

    Paul E. Cottrell;Steven Jeffries;Brian Beck;Peter S. Ross

  • Declining concentrations of persistent PCBs, PBDEs, PCDEs, and PCNs in harbor seals (Phoca vitulina) from the Salish Sea

    Peter S. Ross;Marie Noël;Marie Noël;Dyanna Lambourn;Neil Dangerfield

  • GENETIC SUBSTRUCTURE OF THE PACIFIC HARBOR SEAL (PHOCA VITULINA RICHARDSI) OFF WASHINGTON, OREGON, AND CALIFORNIA

    Margaret M. Lamont;J. T. Vida;James T. Harvey;Steven Jeffries

  • Detection of Pathogenic Leptospira Bacteria in Pinniped Populations via PCR and Identification of a Source of Transmission for Zoonotic Leptospirosis in the Marine Environment

    Caroline E. Cameron;Richard L. Zuerner;Stephen Raverty;Kathleen M. Colegrove;Kathleen M. Colegrove

  • Predator-prey interactions between harbor seals and migrating steelhead trout smolts revealed by acoustic telemetry

    B. A. Berejikian;M. E. Moore;S. J. Jeffries

  • New insights into the diets of harbor seals (Phoca vitulina) in the Salish Sea revealed by analysis of fatty acid signatures

    Jeffrey F. Bromaghin;Monique M. Lance;Elizabeth W. Elliott;Steven J. Jeffries

  • Long distance movements and disjunct spatial use of harbor seals (Phoca vitulina) in the inland waters of the Pacific Northwest.

    Sarah H. Peterson;Monique M. Lance;Steven J. Jeffries;Alejandro Acevedo-Gutiérrez

  • Haul-Out Behavior of Harbor Seals (Phoca vitulina) in Hood Canal, Washington

    Josh M. London;Jay M. Ver Hoef;Steven J. Jeffries;Monique M. Lance

  • Persistent organic pollutants in the diet of harbor seals (Phoca vitulina) inhabiting puget sound, washington (USA), and the strait of Georgia, British Columbia (Canada): A food basket approach

    Donna L. Cullon;Steven J. Jeffries;Peter S. Ross

Frequent Co-Authors

John Calambokidis
John Calambokidis Washington University in St. Louis
Peter S. Ross
Peter S. Ross Raincoast Conservation Foundation
Kristin L. Laidre
Kristin L. Laidre University of Washington
Frances M. D. Gulland
Frances M. D. Gulland University of California, Davis
Jack C. Rhyan
Jack C. Rhyan Animal and Plant Health Inspection Service
Donald P. King
Donald P. King The Pirbright Institute
Michael G. Ikonomou
Michael G. Ikonomou Fisheries and Oceans Canada
Richard L. Zuerner
Richard L. Zuerner United States Department of Agriculture
Lisa T. Ballance
Lisa T. Ballance Oregon State University
Jonna A. K. Mazet
Jonna A. K. Mazet University of California, Davis

External Links

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Best Scientists Citing Steven J. Jeffries

Peter S. Ross

Peter S. Ross

Raincoast Conservation Foundation

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Frances M. D. Gulland

Frances M. D. Gulland

University of California, Davis

Publications: 25

Gina M. Ylitalo

Gina M. Ylitalo

National Oceanic and Atmospheric Administration

Publications: 19

Jacques Godfroid

Jacques Godfroid

University of Tromsø - The Arctic University of Norway

Publications: 16

Andrew W. Trites

Andrew W. Trites

University of British Columbia

Publications: 13

M. Tim Tinker

M. Tim Tinker

United States Geological Survey

Publications: 12

Ursula Siebert

Ursula Siebert

University of Veterinary Medicine Hannover, Foundation

Publications: 12

Jameal F. Samhouri

Jameal F. Samhouri

National Oceanic and Atmospheric Administration

Publications: 11

John K. B. Ford

John K. B. Ford

Fisheries and Oceans Canada

Publications: 11

Daniel P. Costa

Daniel P. Costa

University of California, Santa Cruz

Publications: 10

John E. Elliott

John E. Elliott

Environment and Climate Change Canada

Publications: 10

Grey W. Pendleton

Grey W. Pendleton

Alaska Department of Fish and Game

Publications: 10

Christian Lydersen

Christian Lydersen

Norwegian Polar Institute

Publications: 10

James O. Lloyd-Smith

James O. Lloyd-Smith

University of California, Los Angeles

Publications: 10

Adrian Covaci

Adrian Covaci

University of Antwerp

Publications: 10

Bjørn Munro Jenssen

Bjørn Munro Jenssen

Norwegian University of Science and Technology

Publications: 9

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