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Timothy J. Hoellein

D-Index & Metrics

Ecology and Evolution

D-Index
36
Citations
7602
World Ranking
7019
National Ranking
2358

Timothy J. Hoellein 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 Timothy J. Hoellein 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: 77 publications — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Timothy J. Hoellein 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 Timothy J. Hoellein 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: 36 D-Index — 17th percentile

17% of scientists in this discipline score the same or lower.

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

Overview

Timothy J. Hoellein is affiliated with Loyola University Chicago in the United States and has contributed extensively to environmental science research. The primary focus of their work lies in the fields of pollution, industrial and manufacturing engineering, ecology, environmental chemistry, and ocean engineering.

The scientist's research covers a wide range of topics, including:

  • Microplastics and Plastic Pollution
  • Recycling and Waste Management Techniques
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Wildlife-Road Interactions and Conservation
  • Freshwater macroinvertebrate diversity and ecology
  • Hydrology and Sediment Transport Processes
  • Marine Biology and Environmental Chemistry

Timothy J. Hoellein's recent publications feature work on the dynamics and impact of plastic pollution in freshwater and wider ecosystems. Some selected papers include:

  • "The global odyssey of plastic pollution," 2020, published in Science
  • "Microplastic accumulation in riverbed sediment via hyporheic exchange from headwaters to mainstems," 2022, published in Science Advances
  • "Gathering at the top? Environmental controls of microplastic uptake and biomagnification in freshwater food webs," 2020, published in Environmental Pollution
  • "Wastewater treatment alters microbial colonization of microplastics," 2021, published in PLoS ONE
  • "The "plastic cycle": a watershed-scale model of plastic pools and fluxes," 2021, published in Frontiers in Ecology and the Environment

The scientist has frequently collaborated with several researchers, including John J. Kelly, Chelsea M. Rochman, Anna E. S. Vincent, Adit Chaudhary, and Raúl F. Lazcano.

Publication venues in which Timothy J. Hoellein commonly appears include:

  • Water Environment Research
  • Freshwater Science
  • The Science of The Total Environment
  • Ecological Applications
  • SSRN Electronic Journal

The combined scope of their work addresses environmental challenges through empirical studies and modeling related to microplastics, pollution dynamics, and ecological impacts in freshwater systems and beyond.

Best Publications

  • Microplastic is an Abundant and Distinct Microbial Habitat in an Urban River

    Amanda McCormick;Timothy J. Hoellein;Sherri A. Mason;Joseph Schluep

  • Microplastic in Surface Waters of Urban Rivers: Concentration, Sources, and Associated Bacterial Assemblages

    Amanda R. McCormick;Timothy J. Hoellein;Maxwell G. London;Joshua Hittie

  • Microplastic Contamination in Karst Groundwater Systems.

    Samuel V. Panno;Walton R. Kelly;John Scott;Wei Zheng

  • Microplastic in riverine fish is connected to species traits.

    R. E. McNeish;L. H. Kim;H. A. Barrett;S. A. Mason

  • Bivalve Impacts in Freshwater and Marine Ecosystems

    Caryn C. Vaughn;Timothy J. Hoellein

  • Anthropogenic Litter in Urban Freshwater Ecosystems: Distribution and Microbial Interactions

    Timothy Hoellein;Miguel Rojas;Adam Pink;Joseph Gasior

  • Microplastic deposition velocity in streams follows patterns for naturally occurring allochthonous particles.

    Timothy J. Hoellein;Arial J. Shogren;Arial J. Shogren;Jennifer L. Tank;Paul Risteca

  • Revisiting Odum (1956): A synthesis of aquatic ecosystem metabolism

    Timothy J. Hoellein;Denise A. Bruesewitz;David C. Richardson

  • Longitudinal patterns of microplastic concentration and bacterial assemblages in surface and benthic habitats of an urban river

    Timothy J. Hoellein;Amanda R. McCormick;Amanda R. McCormick;Joshua Hittie;Maxwell G. London

  • Microplastic-Associated Biofilms: A Comparison of Freshwater and Marine Environments

    Jesse Patrick Harrison;Timothy Hoellein;Melanie Sapp;Alexander Tagg

  • Gathering at the top?: Environmental controls of microplastic uptake and biomagnification in freshwater food webs

    Stefan Krause;Stefan Krause;Viktor Baranov;Holly A. Nel;Jennifer D. Drummond

  • Controls on spatial and temporal variation of nutrient uptake in three Michigan headwater streams

    Timothy J. Hoellein;Jennifer L. Tank;Emma J. Rosi-Marshall;Sally A. Entrekin

  • Wastewater treatment alters microbial colonization of microplastics.

    John J. Kelly;Maxwell G. London;Amanda R. McCormick;Miguel Rojas

  • Sediment, water column, and open‐channel denitrification in rivers measured using membrane‐inlet mass spectrometry

    Alexander J. Reisinger;Alexander J. Reisinger;Jennifer L. Tank;Timothy J. Hoellein;Robert O. Hall

  • Does mixing litter of different qualities alter stream microbial diversity and functioning on individual litter species

    John S. Kominoski;Timothy J. Hoellein;John J. Kelly;Catherine M. Pringle

  • Eastern oyster (Crassostrea virginica) filtration, biodeposition, and sediment nitrogen cycling at two oyster reefs with contrasting water quality in Great Bay Estuary (New Hampshire, USA)

    Timothy J. Hoellein;Chester B. Zarnoch;Raymond E. Grizzle

  • The “plastic cycle”: a watershed-scale model of plastic pools and fluxes

    Timothy J Hoellein;Chelsea M Rochman

  • Responses in organic matter accumulation and processing to an experimental wood addition in three headwater streams

    Sally A. Entrekin;Jennifer L. Tank;Emma J. Rosi‐Marshall;Timothy J. Hoellein

  • Temporal variation in substratum-specific rates of N uptake and metabolism and their contribution at the stream-reach scale

    Timothy J. Hoellein;Jennifer L. Tank;Emma J. Rosi-Marshall;Sally A. Entrekin

  • Response of secondary production by macroinvertebrates to large wood addition in three Michigan streams

    Sally A. Entrekin;Jennifer L. Tank;Emma J. Rosi-Marshall;Timothy J. Hoellein

  • Anthropogenic litter is abundant, diverse, and mobile in urban rivers: Insights from cross‐ecosystem analyses using ecosystem and community ecology tools

    Amanda R. McCormick;Timothy J. Hoellein

  • Effect of eastern oysters (Crassostrea virginica) on sediment carbon and nitrogen dynamics in an urban estuary

    Timothy J. Hoellein;Chester B. Zarnoch

Frequent Co-Authors

Jennifer L. Tank
Jennifer L. Tank University of Notre Dame
John J. Kelly
John J. Kelly Loyola University Chicago
Emma J. Rosi-Marshall
Emma J. Rosi-Marshall Loyola University Chicago
Gary A. Lamberti
Gary A. Lamberti University of Notre Dame
Chelsea M. Rochman
Chelsea M. Rochman University of Toronto
Stefan Krause
Stefan Krause University of Birmingham
Catherine M. Pringle
Catherine M. Pringle University of Georgia
Kyle S. Van Houtan
Kyle S. Van Houtan Duke University
Aaron I. Packman
Aaron I. Packman Northwestern University
John S. Kominoski
John S. Kominoski Florida International University

External Links

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Related Online Degrees & Career Pathways

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For those interested in community support and environmental justice, an online masters of social work can complement your scientific background. Students fascinated by human behavior and the intersection with ecological issues may benefit from a fast track masters in psychology program.

If you aim to assist individuals coping with environmental stress or disaster, consider an online masters in mental health counseling. Another exciting pathway is forensic ecology—students can deepen their credentials with forensic psychology masters programs that blend biological evidence with legal contexts.

Connecting ecology with social science and mental health can lead to diverse and impactful career possibilities. Exploring online degree options will help you tailor your academic journey toward your specific goals.

Best Scientists Citing Timothy J. Hoellein

Jennifer L. Tank

Jennifer L. Tank

University of Notre Dame

Publications: 26

Hans-Peter Grossart

Hans-Peter Grossart

University of Potsdam

Publications: 14

Chelsea M. Rochman

Chelsea M. Rochman

University of Toronto

Publications: 13

Eugènia Martí

Eugènia Martí

Spanish National Research Council

Publications: 11

Chenxi Wu

Chenxi Wu

Chinese Academy of Sciences

Publications: 11

Paul A. Helm

Paul A. Helm

Ministry of the Environment, Conservation and Parks

Publications: 11

Jun Wang

Jun Wang

South China Agricultural University

Publications: 11

Stefan Krause

Stefan Krause

University of Birmingham

Publications: 11

Emma J. Rosi-Marshall

Emma J. Rosi-Marshall

Loyola University Chicago

Publications: 10

Robert O. Hall

Robert O. Hall

University of Montana

Publications: 10

William H. McDowell

William H. McDowell

University of New Hampshire

Publications: 10

Scott D. Tiegs

Scott D. Tiegs

Oakland University

Publications: 9

Nanthi Bolan

Nanthi Bolan

University of Western Australia

Publications: 9

Albert A. Koelmans

Albert A. Koelmans

Wageningen University & Research

Publications: 9

Natalie A. Griffiths

Natalie A. Griffiths

Oak Ridge National Laboratory

Publications: 9

Matthias Labrenz

Matthias Labrenz

Leibniz Institute for Baltic Sea Research

Publications: 8

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