World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
97
Citations
28840
World Ranking
329
National Ranking
130

Timothy J. Fahey 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. Fahey sits on this spectrum.

37–46 publications: 11 scientists 47–56 publications: 41 scientists 57–66 publications: 147 scientists 67–76 publications: 219 scientists 77–86 publications: 409 scientists 87–96 publications: 467 scientists 97–106 publications: 613 scientists 107–116 publications: 585 scientists 117–126 publications: 591 scientists 127–136 publications: 567 scientists 137–146 publications: 535 scientists 147–156 publications: 481 scientists 157–166 publications: 404 scientists 167–176 publications: 338 scientists 177–186 publications: 362 scientists 187–196 publications: 309 scientists 197–206 publications: 246 scientists 207–216 publications: 223 scientists 217–226 publications: 205 scientists 227–236 publications: 167 scientists 237–246 publications: 141 scientists 247–256 publications: 150 scientists 257–266 publications: 125 scientists 267–276 publications: 113 scientists 277–286 publications: 92 scientists 287–296 publications: 81 scientists 297–306 publications: 77 scientists 307–316 publications: 64 scientists 317–326 publications: 47 scientists 327–336 publications: 58 scientists 337–346 publications: 52 scientists 347–356 publications: 48 scientists 357–366 publications: 50 scientists 367–376 publications: 30 scientists 377–386 publications: 30 scientists 387–396 publications: 34 scientists 397–406 publications: 25 scientists 407–416 publications: 17 scientists 417–426 publications: 12 scientists 427–436 publications: 20 scientists 437–446 publications: 9 scientists 447–456 publications: 12 scientists 457–466 publications: 11 scientists 467–476 publications: 13 scientists 477–486 publications: 10 scientists 487–496 publications: 7 scientists 497–506 publications: 12 scientists 507–516 publications: 10 scientists 517–526 publications: 9 scientists 527–532 publications: 6 scientists 533+ publications: 100 scientists
37 publications 533+

This scientist: 324 publications — 93rd percentile

93% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 533 publications or more.

Timothy J. Fahey 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. Fahey 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: 152 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: 120 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: 28 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: 8 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: 3 scientists 122+ D-Index: 99 scientists
30 D-Index 122+

This scientist: 97 D-Index — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 122 D-Index or more.

Overview

Timothy J. Fahey is affiliated with Cornell University in the United States, with a research portfolio primarily centered on environmental science and agricultural and biological sciences. Their work spans various subfields, including nature and landscape conservation, global and planetary change, soil science, ecology, and plant science.

Their research engages extensively with topics such as soil carbon and nitrogen dynamics, forest ecology and management, ecology and vegetation dynamics studies, plant water relations and carbon dynamics, seedling growth and survival studies, mycorrhizal fungi and plant interactions, and forest ecology and biodiversity studies.

Fahey has contributed to multiple publication venues, with frequent appearances in the Canadian Journal of Forest Research, Ecosystems, Nature Communications, Biogeochemistry, and Global Change Biology.

Recent notable papers include:

  • Continent-wide tree fecundity driven by indirect climate effects, 2021, Nature Communications
  • North American tree migration paced by climate in the West, lagging in the East, 2022, Repository for Publications and Research Data (ETH Zurich)
  • Limits to reproduction and seed size-number trade-offs that shape forest dominance and future recovery, 2022, Nature Communications
  • Microbial community shifts correspond with suppression of decomposition 25 years after liming of acidic forest soils, 2022, Global Change Biology
  • Foliar nutrient concentrations of six northern hardwood species responded to nitrogen and phosphorus fertilization but did not predict tree growth, 2022, PeerJ

Fahey has collaborated frequently with several researchers, including Ruth D. Yanai, Natalie L. Cleavitt, Charles T. Driscoll, Peter M. Groffman, and Michał Bogdziewicz, contributing to a body of work that spans across their primary fields of study.

Best Publications

  • Redefining fine roots improves understanding of below-ground contributions to terrestrial biosphere processes

    M. Luke McCormack;Ian A. Dickie;David M. Eissenstat;Timothy J. Fahey

  • Colder soils in a warmer world: A snow manipulation study in a northern hardwood forest ecosystem

    Peter M. Groffman;Charles T. Driscoll;Timothy J. Fahey;Janet P. Hardy

  • Belowground ectomycorrhizal fungal community change over a nitrogen deposition gradient in Alaska

    Erik A. Lilleskov;Timothy J. Fahey;Thomas R. Horton;Gary M. Lovett

  • The biogeochemistry of calcium at Hubbard Brook

    G.E. Likens;C.T. Driscoll;D.C. Buso;T.G. Siccama

  • Soil freezing alters fine root dynamics in a northern hardwood forest

    Geraldine L. Tierney;Timothy J. Fahey;Peter M. Groffman;Janet P. Hardy

  • Fine Root Dynamics in a Northern Hardwood Forest Ecosystem, Hubbard Brook Experimental Forest, NH

    Timothy J. Fahey;Jeffrey W. Hughes

  • Mycorrhizal weathering of apatite as an important calcium source in base-poor forest ecosystems

    Joel D. Blum;Andrea Klaue;Carmen A. Nezat;Charles T. Driscoll

  • Effects of soil freezing disturbance on soil solution nitrogen, phosphorus, and carbon chemistry in a northern hardwood ecosystem

    Ross D. Fitzhugh;Charles T. Driscoll;Peter M. Groffman;Geraldine L. Tierney

  • Forest carbon storage: ecology, management, and policy

    Timothy J Fahey;Peter B Woodbury;John J Battles;Christine L Goodale

  • Effects of mild winter freezing on soil nitrogen and carbon dynamics in a northern hardwood forest

    Peter M. Groffman;Charles T. Driscoll;Timothy J. Fahey;Janet P. Hardy

  • Snow depth manipulation and its influence on soil frost and water dynamics in a northern hardwood forest

    Janet P. Hardy;Peter M. Groffman;Ross D. Fitzhugh;Karen S. Henry

  • TREE SPECIES AND MYCORRHIZAL ASSOCIATIONS INFLUENCE THE MAGNITUDE OF RHIZOSPHERE EFFECTS

    Richard P. Phillips;Richard P. Phillips;Timothy J. Fahey

  • Snow depth, soil freezing, and fluxes of carbon dioxide, nitrous oxide and methane in a northern hardwood forest

    Peter M. Groffman;Janet P. Hardy;Charles T. Driscoll;Timothy J. Fahey

  • The biogeochemistry of carbon at Hubbard Brook

    T. J. Fahey;T. G. Siccama;C. T. Driscoll;G. E. Likens

  • Root decomposition and nutrient flux following whole-tree harvest of northern hardwood forest

    Timothy J. Fahey;Jeffrey W. Hughes;Mou Pu;Mary A. Arthur

  • Ecosystem Consequences of Exotic Earthworm Invasion of North Temperate Forests

    Patrick J. Bohlen;Peter M. Groffman;Timothy J. Fahey;Melany C. Fisk;Melany C. Fisk

  • Response of sugar maple to calcium addition to northern hardwood forest

    Stephanie M. Juice;Timothy J. Fahey;Thomas G. Siccama;Charles T. Driscoll

  • Microbial biomass and nitrogen cycling responses to fertilization and litter removal in young northern hardwood forests

    Melany C. Fisk;Timothy J. Fahey

  • Fine root heterogeneity by branch order: exploring the discrepancy in root turnover estimates between minirhizotron and carbon isotopic methods.

    Dali Guo;Harbin Li;Robert J. Mitchell;Wenxuan Han

  • MERCURY CYCLING IN LITTER AND SOIL IN DIFFERENT FOREST TYPES IN THE ADIRONDACK REGION, NEW YORK, USA

    Jason D. Demers;Charles T. Driscoll;Timothy J. Fahey;Joseph B. Yavitt

Frequent Co-Authors

Charles T. Driscoll
Charles T. Driscoll Syracuse University
Peter M. Groffman
Peter M. Groffman City University of New York
Melany C. Fisk
Melany C. Fisk Miami University
Joseph B. Yavitt
Joseph B. Yavitt Cornell University
John J. Battles
John J. Battles University of California, Berkeley
Thomas G. Siccama
Thomas G. Siccama Yale University
Chris E. Johnson
Chris E. Johnson Syracuse University
Gene E. Likens
Gene E. Likens University of Connecticut
Patrick J. Bohlen
Patrick J. Bohlen University of Central Florida
Janet P. Hardy
Janet P. Hardy Cold Regions Research and Engineering Laboratory

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Related Online Degrees & Career Pathways

Pursuing a degree in Ecology and Evolution can open doors to careers in research, environmental consulting, conservation, and education. Many students also consider related fields through flexible online study options. For example, some educators may explore whether can you become a speech pathologist with an education degree—a route that similarly involves life sciences and communication skills.

Online programs make it easier to cross disciplines or refine your skills. If you’re interested in combining sustainability with creativity, online architecture programs might offer unique opportunities to influence green building and urban ecology. Analytical thinkers might consider an online math bachelor's degree to enhance skills applicable in biostatistics or ecological modeling.

For those leaning toward visual science communication, a graphic design online degree can help you convert data into compelling scientific visuals. With numerous online pathways available, Ecology and Evolution students can tailor their future in science, technology, design, or communication—helping to address global environmental challenges from multiple angles.

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