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Robert E. Ulanowicz

Robert E. Ulanowicz

University of Florida
United States

D-Index & Metrics

Ecology and Evolution

D-Index
67
Citations
18748
World Ranking
1582
National Ranking
580

Robert E. Ulanowicz publications per year

1968: 1 publications 1969: 0 publications 1970: 2 publications 1971: 1 publications 1972: 1 publications 1973: 0 publications 1974: 0 publications 1975: 2 publications 1976: 4 publications 1977: 0 publications 1978: 6 publications 1979: 3 publications 1980: 4 publications 1981: 3 publications 1982: 3 publications 1983: 1 publications 1984: 5 publications 1985: 1 publications 1986: 2 publications 1987: 4 publications 1988: 2 publications 1989: 6 publications 1990: 1 publications 1991: 6 publications 1992: 2 publications 1993: 3 publications 1994: 1 publications 1995: 4 publications 1996: 2 publications 1997: 5 publications 1998: 3 publications 1999: 9 publications 2000: 3 publications 2001: 7 publications 2002: 6 publications 2003: 6 publications 2004: 6 publications 2005: 11 publications 2006: 5 publications 2007: 13 publications 2008: 3 publications 2009: 9 publications 2010: 5 publications 2011: 7 publications 2012: 1 publications 2013: 3 publications 2014: 4 publications 2015: 1 publications 2016: 4 publications 2017: 1 publications 2018: 4 publications 2019: 4 publications 2020: 12 publications 2021: 2 publications 2022: 2 publications 2023: 5 publications 2024: 2 publications 2025: 1 publications
1968 2025

214 publications in total across all disciplines

Robert E. Ulanowicz 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 Robert E. Ulanowicz 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: 194 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

Robert E. Ulanowicz 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 Robert E. Ulanowicz 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: 67 D-Index — 81st percentile

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

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

Overview

Robert E. Ulanowicz is affiliated with the University of Florida in the United States, focusing on interdisciplinary research that bridges ecological and economic systems. Their work spans Environmental Science and Economics, Econometrics and Finance, with significant contributions to subfields such as Environmental Engineering and Economics and Econometrics.

The research topics explored by Ulanowicz include:

  • Sustainability and Ecological Systems Analysis
  • Economic and Technological Innovation
  • Origins and Evolution of Life
  • Complex Systems and Decision Making
  • Sustainable Industrial Ecology
  • Complex Systems and Time Series Analysis
  • Evolutionary Game Theory and Cooperation

Ulanowicz has published papers in several recognized scientific journals. Notable recent publications include:

  • "Socio-Ecological Networks: A Lens That Focuses Beyond Physics" (2021) in Frontiers in Ecology and Evolution
  • "Ecological Clues to the Nature of Consciousness" (2020) in Entropy

While some recent work shows collaborations with other authors such as Roberto Cazzolla Gatti and Filippos K. Zisopoulos, Ulanowicz is known to have frequent co-authors including Brian D. Fath, Roberto Cazzolla Gatti, Roger Koppl, Stuart Kauffman, and Wim Hordijk.

Publication venues where Ulanowicz has contributed multiple times include:

  • Journal of Bioeconomics
  • Frontiers in Ecology and Evolution
  • Journal of Cleaner Production
  • Cleaner Production Letters
  • Entropy

Ulanowicz has authored books published by notable publishers. These include "Explaining Technology" (2023) published by Cambridge University Press and a work related to water quality impacts titled "Some effects of Hurricane Agnes on water quality in the Patuxent River Estuary" (2021) published by UNESCO.

Their interdisciplinary approach integrates aspects of complex systems, ecological analysis, and economic theories. This facilitates investigations into sustainability challenges and the dynamics of socio-ecological and economic niches across different contexts.

Best Publications

  • Growth and Development: Ecosystems Phenomenology

    Robert E. Ulanowicz

  • Ecology, the ascendent perspective

    Robert E. Ulanowicz

  • The Seasonal Dynamics of The Chesapeake Bay Ecosystem

    Daniel Baird;Robert E. Ulanowicz

  • Compartments revealed in food-web structure

    Ann E. Krause;Kenneth A. Frank;Doran M. Mason;Robert E. Ulanowicz

  • Quantitative methods for ecological network analysis

    Robert E. Ulanowicz

  • Quantifying sustainability: Resilience, efficiency and the return of information theory

    Robert E. Ulanowicz;Sally J. Goerner;Bernard Lietaer;Rocio Gomez

  • An hypothesis on the development of natural communities.

    Robert E. Ulanowicz

  • Ecological network analysis : network construction

    Brian D. Fath;Ursula M. Scharler;Ursula M. Scharler;Robert E. Ulanowicz;Bruce Hannon

  • Improving Food Webs

    J. E. Cohen;R. A. Beaver;S. H. Cousins;D. L. DeAngelis

  • The dual nature of ecosystem dynamics

    Robert E. Ulanowicz

  • Comparative study on the trophic structure, cycling and ecosystem properties of four tidal estuaries

    D. Baird;RE Ulanowicz

  • The Comparative Ecology of Six Marine Ecosystems

    D. Baird;J. M. Mcglade;R. E.K Ulanowicz

  • Quantifying economic sustainability: Implications for free-enterprise theory, policy and practice

    Sally J. Goerner;Bernard Lietaer;Robert E. Ulanowicz

  • Comparative ecosystem trophic structure of three U.S. mid-Atlantic estuaries

    Mark E. Monaco;Robert E. Ulanowicz

  • Information theory in ecology.

    Robert E. Ulanowicz

  • Life and the production of entropy

    R. E. Ulanowicz;B. M. Hannon

  • The Trophic Consequences of Oyster Stock Rehabilitation in Chesapeake Bay

    Robert E. Ulanowicz;Jon H. Tuttle

  • Scale and Biodiversity Policy: A Hierarchical Approach

    Bryan G. Norton;Robert E. Ulanowicz

  • A package for the analysis of ecosystem flow networks

    Robert E. Ulanowicz;James J. Kay

  • Identifying the Structure of Cycling in Ecosystems

    Robert E. Ulanowicz

  • Aquatic food webs : an ecosystem approach

    Andrea Belgrano;Ursula M. Scharler;Jennifer Dunne;Robert E. Ulanowicz

Frequent Co-Authors

Brian D. Fath
Brian D. Fath Towson University
Sven Erik Jørgensen
Sven Erik Jørgensen University of Copenhagen
Bernard C. Patten
Bernard C. Patten University of Georgia
João Carlos Marques
João Carlos Marques University of Coimbra
Felix Müller
Felix Müller Kiel University
Simone Bastianoni
Simone Bastianoni University of Siena
Dan Baird
Dan Baird Stellenbosch University
Robert R. Christian
Robert R. Christian East Carolina University
Stuart A. Kauffman
Stuart A. Kauffman University of Vermont
Donald F. Boesch
Donald F. Boesch University of Maryland Center For Environmental Sciences

External Links

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Related Online Degrees & Career Pathways

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With online learning options more accessible than ever, students have unprecedented opportunities to build careers at the intersection of science, design, and technology.

Best Scientists Citing Robert E. Ulanowicz

Brian D. Fath

Brian D. Fath

Towson University

Publications: 125

Loet Leydesdorff

Loet Leydesdorff

University of Amsterdam

Publications: 68

Nathalie Niquil

Nathalie Niquil

Université de Caen Normandie

Publications: 54

Ferenc Jordán

Ferenc Jordán

University of Parma

Publications: 44

Sven Erik Jørgensen

Sven Erik Jørgensen

University of Copenhagen

Publications: 37

Bernard C. Patten

Bernard C. Patten

University of Georgia

Publications: 36

Stefano Allesina

Stefano Allesina

University of Chicago

Publications: 34

Hans W. Paerl

Hans W. Paerl

University of North Carolina at Chapel Hill

Publications: 31

João Carlos Marques

João Carlos Marques

University of Coimbra

Publications: 30

Mario Giampietro

Mario Giampietro

Autonomous University of Barcelona

Publications: 29

Yan Zhang

Yan Zhang

Beijing Normal University

Publications: 29

Dan Baird

Dan Baird

Stellenbosch University

Publications: 27

Simone Libralato

Simone Libralato

National Institute of Oceanography and Applied Geophysics

Publications: 26

Matthias Wolff

Matthias Wolff

Leibniz Center for Tropical Marine Ecology

Publications: 25

Marta Coll

Marta Coll

Spanish National Research Council

Publications: 25

Villy Christensen

Villy Christensen

University of British Columbia

Publications: 25

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