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Thomas J. Kwak

D-Index & Metrics

Ecology and Evolution

D-Index
31
Citations
4495
World Ranking
8209
National Ranking
2721

Thomas J. Kwak publications per year

1976: 1 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 1 publications 1987: 2 publications 1988: 2 publications 1989: 0 publications 1990: 0 publications 1991: 1 publications 1992: 3 publications 1993: 1 publications 1994: 0 publications 1995: 1 publications 1996: 0 publications 1997: 2 publications 1998: 0 publications 1999: 2 publications 2000: 3 publications 2001: 0 publications 2002: 1 publications 2003: 5 publications 2004: 2 publications 2005: 7 publications 2006: 2 publications 2007: 3 publications 2008: 1 publications 2009: 4 publications 2010: 5 publications 2011: 6 publications 2012: 4 publications 2013: 7 publications 2014: 6 publications 2015: 5 publications 2016: 6 publications 2017: 9 publications 2018: 11 publications 2019: 9 publications 2020: 3 publications 2021: 4 publications 2022: 1 publications 2023: 4 publications 2024: 4 publications
1976 2024

128 publications in total across all disciplines

Thomas J. Kwak 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 Thomas J. Kwak 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: 122 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Thomas J. Kwak 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 Thomas J. Kwak 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: 31 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Thomas J. Kwak was affiliated with North Carolina State University in the United States. Their research primarily focused on environmental science with a specialization in fish ecology and management.

The main fields of study for Thomas J. Kwak included:

  • Environmental Science

Their subfields of study covered areas such as:

  • Nature and Landscape Conservation
  • Ecology
  • Health, Toxicology and Mutagenesis
  • Aquatic Science
  • Physiology

Thomas J. Kwak contributed extensively to topics related to aquatic biology and environmental impacts on fish, including:

  • Fish Ecology and Management Studies
  • Aquatic Invertebrate Ecology and Behavior
  • Fish biology, ecology, and behavior
  • Environmental DNA in Biodiversity Studies
  • Reproductive biology and impacts on aquatic species
  • Fish Biology and Ecology Studies
  • Marine and fisheries research

Their recent publications include:

  • "Trophodynamics of Per- and Polyfluoroalkyl Substances in the Food Web of a Large Atlantic Slope River" (2020), published in Environmental Science & Technology
  • "FiCli, the Fish and Climate Change Database, informs climate adaptation and management for freshwater fishes" (2020), published in Scientific Data
  • "Panmixia in the American eel extends to its tropical range of distribution: Biological implications and policymaking challenges" (2023), published in Evolutionary Applications
  • "Catfish 2020, A Clear Vision of the Future" (2021), published in North American Journal of Fisheries Management
  • "Reducing uncertainty in climate change responses of inland fishes: A decision-path approach" (2022), published in Conservation Science and Practice

The venues where Thomas J. Kwak frequently published their work include:

  • North American Journal of Fisheries Management
  • Environmental Toxicology and Chemistry
  • Environmental Science & Technology
  • Scientific Data
  • Evolutionary Applications

Thomas J. Kwak also contributed to book publications. One of the known works is titled Freshwater and Diadromous Fishes of Puerto Rico (2024), published by American Fisheries Society eBooks.

The scientist collaborated frequently with several co-authors, including:

  • W. Gregory Cope
  • Augustin C. Engman
  • Bonnie J. E. Myers
  • Abigail J. Lynch
  • Krishna Pacifici

Best Publications

  • Food web analysis of southern California coastal wetlands using multiple stable isotopes

    T. J. Kwak;Joy B. Zedler

  • A Review of Tagging Methods for Estimating Fish Population Size and Components of Mortality

    William E. Pine;Kenneth H. Pollock;Joseph E. Hightower;Thomas J. Kwak

  • Climate Change Effects on North American Inland Fish Populations and Assemblages

    Abigail J. Lynch;Bonnie J. E. Myers;Cindy Chu;Lisa A. Eby

  • Fish Assemblage Changes in an Ozark River after Impoundment: A Long-Term Perspective

    Jeffrey W. Quinn;Thomas J. Kwak

  • MODELING THE EFFECTS OF LAND USE AND CLIMATE CHANGE ON RIVERINE SMALLMOUTH BASS

    James T. Peterson;Thomas J. Kwak

  • Global synthesis of the documented and projected effects of climate change on inland fishes

    Bonnie J. E. Myers;Abigail J. Lynch;David B. Bunnell;Cindy Chu

  • Spatial Extent and Dynamics of Dam Impacts on Tropical Island Freshwater Fish Assemblages

    Patrick B. Cooney;Thomas J. Kwak

  • Trout production dynamics and water quality in Minnesota streams

    Thomas J. Kwak;Thomas F. Waters

  • Lateral movement and use of floodplain habitat by fishes in the Kankakee River, Illinois

    Unknown

  • Evaluation of a nonlethal technique for hemolymph collection in Elliptio complanata, a freshwater bivalve (Mollusca: Unionidae)

    Lori L. Gustafson;Michael K. Stoskopf;Arthur E. Bogan;William Showers

  • Largemouth bass mortality and related causal factors during live-release fishing tournaments on a large Minnesota Lake.

    Thomas J. Kwak;Mary G. Henry

  • Salinity Tolerance of Flathead Catfish: Implications for Dispersal of Introduced Populations

    Robert B. Bringolf;Thomas J. Kwak;W. Gregory Cope;Michael S. Larimore

  • Age, Growth, and Mortality of Introduced Flathead Catfish in Atlantic Rivers and a Review of Other Populations

    Thomas J. Kwak;D. Scott Waters;William E. Pine

  • Temporal and spatial variability in stable isotope compositions of a freshwater mussel: implications for biomonitoring and ecological studies

    Lori Gustafson;Lori Gustafson;William Showers;Thomas Kwak;Jay Levine

  • Trophodynamics of Per- and Polyfluoroalkyl Substances in the Food Web of a Large Atlantic Slope River.

    Tiffany N Penland;W Gregory Cope;Thomas J Kwak;Mark J Strynar

  • Diet Selectivity of Introduced Flathead Catfish in Coastal Rivers

    William E. Pine;Thomas J. Kwak;D. Scott Waters;James A. Rice

  • Modeling Management Scenarios and the Effects of an Introduced Apex Predator on a Coastal Riverine Fish Community

    William E. Pine;Thomas J. Kwak;James A. Rice

  • Spawning habitat, behavior, and morphology as isolating mechanisms of the golden redhorse, Moxostoma erythrurum, and the black redhorse M. duquesnei, two syntopic fishes

    Thomas J. Kwak;Thomas M. Skelly

  • Reference ranges for hemolymph chemistries from Elliptio complanata of North Carolina.

    Lori L. Gustafson;Michael K. Stoskopf;William Showers;Greg Cope

  • Evaluation of Stomach Tubes and Gastric Lavage for Sampling Diets from Blue Catfish and Flathead Catfish

    D. Scott Waters;Thomas J. Kwak;Joshua B. Arnott;William E. Pine

  • Pacific Coastal River Ecology and Management@@@River Ecology and Management: Lessons from the Pacific Coastal Ecoregion

    Thomas J. Kwak;Robert J. Naiman;Robert E. Bilby

Frequent Co-Authors

James A. Rice
James A. Rice North Carolina State University
Craig P. Paukert
Craig P. Paukert University of Missouri
William J. Showers
William J. Showers North Carolina State University
Kenneth H. Pollock
Kenneth H. Pollock North Carolina State University
Arthur E. Bogan
Arthur E. Bogan North Carolina Museum of Natural Sciences
David B. Bunnell
David B. Bunnell United States Geological Survey
Jaime A. Collazo
Jaime A. Collazo North Carolina State University
Mary C. Freeman
Mary C. Freeman United States Fish and Wildlife Service
Robert E. Bilby
Robert E. Bilby Weyerhaeuser (United States)
Mark J. Strynar
Mark J. Strynar Environmental Protection Agency

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Related Online Degrees & Career Pathways

For those interested in Ecology and Evolution, online education offers a flexible way to expand your knowledge and career options. Many non profit colleges provide high-quality online degree programs in biological, environmental, and interdisciplinary fields. These institutions are committed to accessibility and academic excellence, often supporting students from diverse backgrounds.

If you are an active service member or veteran, there are veteran friendly online colleges that cater specifically to your needs, offering flexible schedules and military tuition assistance. For those looking to branch into human-focused impact careers, programs like social work master programs online blend ecology, community health, and social advocacy.

Advanced study is also possible via accelerated online degrees. If you're interested in behavioral ecology or environmental psychology, a master psychologie à distance offers flexible, fast-tracked opportunities to enhance your credentials and skillset. With the growing range of accredited online programs, both traditional and non-traditional students can find pathways that fit their unique interests and goals.

Best Scientists Citing Thomas J. Kwak

Steven J. Cooke

Steven J. Cooke

Carleton University

Publications: 38

Andrew L. Rypel

Andrew L. Rypel

University of California, Davis

Publications: 22

Cory D. Suski

Cory D. Suski

University of Illinois at Urbana-Champaign

Publications: 17

Craig P. Paukert

Craig P. Paukert

University of Missouri

Publications: 17

Tyler Wagner

Tyler Wagner

United States Geological Survey

Publications: 14

Julian D. Olden

Julian D. Olden

University of Washington

Publications: 13

Micheal S. Allen

Micheal S. Allen

University of Florida

Publications: 13

Greg G. Sass

Greg G. Sass

Wisconsin Department of Natural Resources

Publications: 12

David H. Wahl

David H. Wahl

University of Illinois at Urbana-Champaign

Publications: 11

Nicholas E. Mandrak

Nicholas E. Mandrak

University of Toronto

Publications: 10

Mary C. Freeman

Mary C. Freeman

United States Fish and Wildlife Service

Publications: 9

Joy B. Zedler

Joy B. Zedler

University of Wisconsin–Madison

Publications: 9

Rod M. Connolly

Rod M. Connolly

Griffith University

Publications: 8

Caryn C. Vaughn

Caryn C. Vaughn

University of Oklahoma

Publications: 8

Shaun S. Killen

Shaun S. Killen

University of Glasgow

Publications: 8

Catarina Vinagre

Catarina Vinagre

University of Lisbon

Publications: 7

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