World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
59
Citations
11436
World Ranking
2457
National Ranking
161

James N. M. Smith 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 James N. M. Smith 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: 95 publications — 15th percentile

15% of scientists in this discipline score the same or lower.

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

James N. M. Smith 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 James N. M. Smith 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: 59 D-Index — 72nd percentile

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

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

Overview

James N. M. Smith is affiliated with the University of British Columbia in Canada. Their research spans primarily the fields of Earth and Planetary Sciences as well as Environmental Science, with a focus on Atmospheric Science, Health, Toxicology and Mutagenesis, Global and Planetary Change, Materials Chemistry, and Environmental Engineering.

Their work extensively covers topics related to atmospheric chemistry and aerosols, atmospheric ozone and climate, and air quality and health impacts. Other key topics in their research include atmospheric aerosols and clouds, catalytic processes in materials science, air quality monitoring and forecasting, and vehicle emissions and performance.

James N. M. Smith has published numerous papers, including recent notable ones such as:

  • "Size-dependent influence of NO x on the growth rates of organic aerosol particles" (2020, Science Advances)
  • "Tropical and Boreal Forest - Atmosphere Interactions: A Review" (2022, Tellus B)
  • "Insufficient Condensable Organic Vapors Lead to Slow Growth of New Particles in an Urban Environment" (2022, Environmental Science & Technology)
  • "PTR-TOF-MS eddy covariance measurements of isoprene and monoterpene fluxes from an eastern Amazonian rainforest" (2020, Atmospheric Chemistry and Physics)
  • "Atmospheric clusters to nanoparticles: Recent progress and challenges in closing the gap in chemical composition" (2020, Journal of Aerosol Science)

The scientist frequently publishes in several venues including:

  • Atmospheric Chemistry and Physics
  • Environmental Science & Technology
  • Physical Chemistry Chemical Physics
  • Journal of Geophysical Research Atmospheres
  • Helda (University of Helsinki)

Collaborations play a significant role in their work. Frequent coauthors include Adam E. Thomas, Véronique Perraud, Michael J. Lawler, Markku Kulmala, and Jingkun Jiang.

Best Publications

  • Impact of food and predation on the snowshoe hare cycle.

    Charles J. Krebs;Stan Boutin;Rudy Boonstra;A. R. E. Sinclair

  • Effects of population density and supplemental food on reproduction in song sparrows

    Peter Arcese;James N. M. Smith

  • Selection against inbred song sparrows during a natural population bottleneck

    Lukas F. Keller;Peter Arcese;James N. M. Smith;Wesley M. Hochachka

  • Balancing food and predator pressure induces chronic stress in songbirds

    Michael Clinchy;Liana Zanette;Rudy Boonstra;John C. Wingfield

  • FOOD-SEARCHING BEHAVIOR OF TITMICE IN PATCHY ENVIRONMENTS'

    James N. M. Smith;Hugh P. A. Sweatman

  • Immigration and the ephemerality of a natural population bottleneck: evidence from molecular markers.

    Lukas F. Keller;Kathryn J. Jeffery;Peter Arcese;Mark A. Beaumont

  • Effects of Age and Breeding Experience on Seasonal Reproductive Success in the Song Sparrow

    Erica Nol;James N. M. Smith

  • Nest predation by cowbirds and its consequences for passerine demography

    Peter Arcese;James N. M. Smith;Margret I. Hatch

  • Phenotypic correlates and ecological consequences of dominance in song sparrows

    P. Arcese;J. N. M. Smith

  • Stability, Regulation, and the Determination of Abundance in an Insular Song Sparrow Population

    Peter Arcese;James N. M. Smith;Wesley M. Hochachka;Christopher M. Rogers

  • Population changes of the vertebrate community during a snowshoe hare cycle in Canada’s boreal forest

    Stan Boutin;C. J. Krebs;R. Boonstra;M. R. T. Dale

  • The hunting behaviour of individual great tits in relation to spatial variations in their food density

    James N.M. Smith;Richard Dawkins

  • Population biology of snowshoe hares. I: Demography of food-supplemented populations in the southern Yukon, 1976-1984

    Charles J. Krebs;B. S. Gilbert;S. Boutin;A. R. E. Sinclair

  • Darwin's finches: population variation and natural selection

    P. R. Grant;B. R. Grant;J. N. M. Smith;I. J. Abbott

  • Seasonal Variation in Feeding Habits of Darwin's Ground Finches

    James N. M. Smith;P. R. Grant;B. R. Grant;I. J. Abbott

  • How Fit are Floaters? Consequences of Alternative Territorial Behaviors in a Nonmigratory Sparrow

    James N. M. Smith;Peter Arcese

  • DOES HIGH FECUNDITY REDUCE SURVIVAL IN SONG SPARROWS

    James N. M. Smith

  • Cowbird Parasitism, Host Fitness, and Age of the Host Female in an Island Song Sparrow Population

    James N. M. Smith

  • NATURAL SELECTION ON BEAK AND BODY SIZE IN THE SONG SPARROW.

    Dolph Schluter;James N. M. Smith

  • Can the solar cycle and climate synchronize the snowshoe hare cycle in Canada? Evidence from tree rings and ice cores

    A. R. E. Sinclair;J. M. Gosline;G. Holdsworth;C. J. Krebs

  • Relation of Terrestrial‐Breeding Amphibian Abundance to Tree‐Stand Age

    Linda A. Dupuis;James N.M. Smith;Fred Bunnell

Frequent Co-Authors

Peter Arcese
Peter Arcese University of British Columbia
Liana Zanette
Liana Zanette University of Western Ontario
Lukas F. Keller
Lukas F. Keller University of Zurich
Rudy Boonstra
Rudy Boonstra University of Toronto
Wesley M. Hochachka
Wesley M. Hochachka Cornell University
Charles J. Krebs
Charles J. Krebs University of British Columbia
Anthony R. E. Sinclair
Anthony R. E. Sinclair University of British Columbia
Michael Clinchy
Michael Clinchy University of Victoria
Dolph Schluter
Dolph Schluter University of British Columbia
Stan Boutin
Stan Boutin University of Alberta

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