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Mark E. Torchin

D-Index & Metrics

Ecology and Evolution

D-Index
38
Citations
9403
World Ranking
6509
National Ranking
19

Mark E. Torchin 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 Mark E. Torchin 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: 101 publications — 19th percentile

19% of scientists in this discipline score the same or lower.

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

Mark E. Torchin 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 Mark E. Torchin 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: 38 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Mark E. Torchin is affiliated with the Smithsonian Tropical Research Institute in Panama. Their research primarily focuses on environmental science, with a significant emphasis on ecology and its related subfields.

The scientist's main fields of study include:

  • Environmental Science

Within this broad field, their subfields of study encompass:

  • Ecology
  • Oceanography
  • Global and Planetary Change
  • Nature and Landscape Conservation
  • Genetics

The core topics addressed in their work involve:

  • Parasite Biology and Host Interactions
  • Coral and Marine Ecosystems Studies
  • Marine and coastal plant biology
  • Marine Biology and Ecology Research
  • Marine and fisheries research
  • Marine Ecology and Invasive Species
  • Microbial Community Ecology and Physiology

Mark E. Torchin has published in several prominent scientific journals. Frequent venues for their work include:

  • Ecology
  • Biological Invasions
  • Nature Ecology & Evolution
  • Proceedings of the Royal Society B Biological Sciences
  • Ecology and Evolution

Recent published papers exemplify the focus on marine and ecological studies:

  • "A global parasite conservation plan," 2020, Biological Conservation
  • "Predator control of marine communities increases with temperature across 115 degrees of latitude," 2022, Science
  • "Stronger predation intensity and impact on prey communities in the tropics," 2021, Ecology
  • "A new wave of marine fish invasions through the Panama and Suez canals," 2020, Nature Ecology & Evolution
  • "Natural experiments and long-term monitoring are critical to understand and predict marine host-microbe ecology and evolution," 2021, PLoS Biology

The scientist has collaborated frequently with a number of co-authors, including:

  • Gregory M. Ruiz
  • Carmen Schlöder
  • Diana M. T. Sharpe
  • Amy L. Freestone
  • Gustavo A. Castellanos-Galindo

Best Publications

  • Introduced species and their missing parasites

    Mark E. Torchin;Kevin D. Lafferty;Andrew P. Dobson;Valerie J. McKenzie

  • Biotic interactions and plant invasions

    Charles E. Mitchell;Anurag A. Agrawal;James D. Bever;Gregory S. Gilbert

  • Ecosystem energetic implications of parasite and free-living biomass in three estuaries

    Armand M. Kuris;Ryan F. Hechinger;Jenny C. Shaw;Kathleen L. Whitney

  • Parasites, pathogens, and invasions by plants and animals

    Mark E. Torchin;Charles E. Mitchell

  • Parasites and marine invasions

    M. E. Torchin;K. D. Lafferty;A. M. Kuris

  • Do invasive species perform better in their new ranges

    John D. Parker;Mark E. Torchin;Ruth A. Hufbauer;Nathan P. Lemoine

  • Release from Parasites as Natural Enemies: Increased Performance of a Globally Introduced Marine Crab

    Mark E. Torchin;Kevin D. Lafferty;Armand M. Kuris

  • Effects of vulture declines on facultative scavengers and potential implications for mammalian disease transmission.

    D. L. Ogada;M. E. Torchin;M. F. Kinnaird;V. O. Ezenwa

  • DIRECT AND INTERACTIVE EFFECTS OF ENEMIES AND MUTUALISTS ON PLANT PERFORMANCE: A META-ANALYSIS

    William F. Morris;Ruth A. Hufbauer;Anurag A. Agrawal;James D. Bever

  • Indirect effects of parasites in invasions

    Alison M. Dunn;Mark E. Torchin;Melanie J. Hatcher;Melanie J. Hatcher;Peter M. Kotanen

  • Molecular-genetic analyses reveal cryptic species of trematodes in the intertidal gastropod, Batillaria cumingi (Crosse).

    Osamu Miura;Armand M. Kuris;Mark E. Torchin;Ryan F. Hechinger

  • Stronger predation in the tropics shapes species richness patterns in marine communities

    Amy L. Freestone;Amy L. Freestone;Richard W. Osman;Gregory M. Ruiz;Mark E. Torchin

  • A global parasite conservation plan

    Colin J. Carlson;Skylar R. Hopkins;Kayce C Bell;Kayce C Bell;Jorge Doña;Jorge Doña

  • Parasites alter host phenotype and may create a new ecological niche for snail hosts

    Osamu Miura;Armand M. Kuris;Mark E. Torchin;Ryan F. Hechinger

  • Stronger biotic resistance in tropics relative to temperate zone: effects of predation on marine invasion dynamics.

    Amy L. Freestone;Amy L. Freestone;Gregory M. Ruiz;Mark E. Torchin

  • Introduced cryptic species of parasites exhibit different invasion pathways.

    Osamu Miura;Mark E. Torchin;Armand M. Kuris;Ryan F. Hechinger

  • Predator control of marine communities increases with temperature across 115 degrees of latitude

    Unknown

  • Differential Parasitism of Native and Introduced Snails: Replacement of a Parasite Fauna

    Mark E. Torchin;James E. Byers;Todd C. Huspeni

  • Established population of the North American Harris mud crab, Rhithropanopeus harrisii (Gould 1841) (Crustacea: Brachyura: Xanthidae) in the Panama Canal.

    Dominique G. Roche;Mark E. Torchin

  • Integrating Ecological and Evolutionary Theory of Biological Invasions

    Ruth A. Hufbauer;Mark E. Torchin

  • Molecular-genetic analyses reveal cryptic species of trematodes in the intertidal gastropod, Batillaria

    cumingi (Crosse);Osamu Miura;Armand M. Kuris;Mark E. Torchin

Frequent Co-Authors

Gregory M. Ruiz
Gregory M. Ruiz Smithsonian Environmental Research Center
Armand M. Kuris
Armand M. Kuris University of California, Santa Barbara
Kevin D. Lafferty
Kevin D. Lafferty United States Geological Survey
Andrew H. Altieri
Andrew H. Altieri University of Florida
Ruth A. Hufbauer
Ruth A. Hufbauer Colorado State University
Brian Leung
Brian Leung McGill University
Robert C. Fleischer
Robert C. Fleischer Smithsonian Conservation Biology Institute
James E. Byers
James E. Byers University of Georgia
Kristin Saltonstall
Kristin Saltonstall Smithsonian Tropical Research Institute
Andrew P. Hendry
Andrew P. Hendry McGill University

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Related Online Degrees & Career Pathways

Pursuing a degree in Ecology and Evolution can open doors to a range of diverse fields, many of which are accessible online. Students interested in related creative careers might consider exploring online graphic design programs, which blend technology and art—skills important in science communication and environmental outreach.

Budget-conscious learners can find numerous cheap online interdisciplinary studies degree options. These programs allow for a tailored curriculum that can include environmental science, policy, and data analysis, supporting unique career paths at the intersection of science, policy, and education.

Advancing in research or academia may require graduate education. An online history master's degree can be surprisingly relevant, especially for those curating environmental history or working in natural history museums.

Careers in environmental information services and education are also growing. For those interested in managing biological data or becoming a resource specialist, it’s helpful to know how much does it cost to become a librarian, as library science degrees enable work in environmental archives, botanical libraries, or research institutions.

Best Scientists Citing Mark E. Torchin

Robert Poulin

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Kevin D. Lafferty

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United States Geological Survey

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Petr Pyšek

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Czech Academy of Sciences

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Gregory M. Ruiz

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Armand M. Kuris

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David W. Thieltges

David W. Thieltges

Royal Netherlands Institute for Sea Research

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Jonathan M. Jeschke

Jonathan M. Jeschke

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Publications: 28

Alison M. Dunn

Alison M. Dunn

University of Leeds

Publications: 27

Mark van Kleunen

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University of Konstanz

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Publications: 25

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Ragan M. Callaway

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