World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
52
Citations
11227
World Ranking
4444
National Ranking
1653

Theodore J. Smayda publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Theodore J. Smayda sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 81 publications — 5th percentile

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

The last bar groups every scientist with 690 publications or more.

Theodore J. Smayda D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Theodore J. Smayda sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 52 D-Index — 55th percentile

55% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Research.com Recognitions

  • 1968 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Theodore J. Smayda was a researcher affiliated with the University of Rhode Island in the United States. Their work primarily focused on fields within Earth and Planetary Sciences and Environmental Science. More specifically, their subfields of study included Paleontology, Oceanography, and Global and Planetary Change.

Their research contributions covered topics related to Marine Invertebrate Physiology and Ecology, Marine and Environmental Studies, and Marine Ecology and Invasive Species. This thematic focus is reflected in their publications and collaborative efforts.

One notable paper authored during their career was titled "Multi-decadal (1972-2019) Mnemiopsis leidyi (Ctenophora) abundance patterns in Narragansett Bay, Rhode Island, USA." Published in 2020 in the Journal of Plankton Research, this study tracked long-term abundance patterns of the invasive comb jelly species in a specific marine ecosystem.

Throughout their career, Theodore J. Smayda frequently collaborated with other researchers. Regular coauthors included Emily Slesinger, Joseph A. Langan, Barbara K. Sullivan, and David G. Borkman.

Their research was published mainly in the Journal of Plankton Research, representing the key venue for disseminating their scientific findings.

The researcher was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1968, which represents a formal acknowledgment of their standing in the scientific community.

  • Multi-decadal (1972-2019) Mnemiopsis leidyi (Ctenophora) abundance patterns in Narragansett Bay, Rhode Island, USA (2020, Journal of Plankton Research)

  • Emily Slesinger
  • Joseph A. Langan
  • Barbara K. Sullivan
  • David G. Borkman

  • Journal of Plankton Research

  • Marine Invertebrate Physiology and Ecology
  • Marine and Environmental Studies
  • Marine Ecology and Invasive Species

  • Earth and Planetary Sciences
  • Environmental Science

  • Paleontology
  • Oceanography
  • Global and Planetary Change

  • Fellow of the American Association for the Advancement of Science (AAAS), 1968

Best Publications

  • Harmful algal blooms: Their ecophysiology and general relevance to phytoplankton blooms in the sea

    Theodore J. Smayda

  • Harmful algal blooms and climate change: Learning from the past and present to forecast the future.

    Mark L. Wells;Vera L. Trainer;Theodore J. Smayda;Bengt S.O. Karlson

  • Community Assembly in Marine Phytoplankton: Application of Recent Models to Harmful Dinoflagellate Blooms

    Theodore J. Smayda;Colin S. Reynolds

  • Benthic Filter Feeding: A Natural Eutrophication Control

    Unknown

  • What is a bloom? A commentary

    Theodore J. Smayda

  • Strategies of marine dinoflagellate survival and some rules of assembly

    Theodore J Smayda;Colin S Reynolds

  • Turbulence, watermass stratification and harmful algal blooms: an alternative view and frontal zones as “pelagic seed banks”

    Theodore J Smayda

  • Normal and accelerated sinking of phytoplankton in the sea

    Theodore J. Smayda

  • Complexity in the eutrophication–harmful algal bloom relationship, with comment on the importance of grazing

    Theodore J. Smayda

  • Primary Production and the Global Epidemic of Phytoplankton Blooms in the Sea: A Linkage?

    Theodore J. Smayda

  • Adaptive Ecology, Growth Strategies and the Global Bloom Expansion of Dinoflagellates

    Theodore J. Smayda

  • SOME MEASUREMENTS OF THE SINKING RATE OF FECAL PELLETS1

    Theodore J. Smayda

  • Dinoflagellate blooms in upwelling systems: Seeding, variability, and contrasts with diatom bloom behaviour

    T.J. Smayda;V.L. Trainer

  • Reflections on the ballast water dispersal- : harmful algal bloom paradigm

    Theodore J. Smayda

  • The distribution and impacts of harmful algal bloom species in eastern boundary upwelling systems

    V.L. Trainer;G.C. Pitcher;B. Reguera;T.J. Smayda

  • Ctenophore-zooplankton-phytoplankton interactions in Narragansett Bay, Rhode Island, USA, during 1972–1977

    Ellen E. Deason;Theodore J. Smayda

  • Seasonal studies on the relative importance of different size fractions of phytoplankton in Narragansett Bay (USA)

    E. G. Durbin;R. W. Krawiec;T. J. Smayda

  • The importance of light in the initiation of the 1972-1973 winter-spring diatom bloom in Narragansett Bay1

    Gary L. Hitchcock;Theodore J. Smayda

  • Patterns of variability characterizing marine phytoplankton, with examples from Narragansett Bay

    Theodore J. Smayda

  • EXPERIMENTAL OBSERVATIONS ON THE INFLUENCE OF TEMPERATURE, LIGHT, AND SALINITY ON CELL DIVISION OF THE MARINE DIATOM, DETONULA CONFERVACEA (CLEVE) GRAN(2).

    Theodore J. Smayda

  • EXPERIMENTAL OBSERVATIONS ON THE FLOTATION OF MARINE DIATOMS. II. SKELETONEMA COSTATUM AND RHIZOSOLENIA SETIGERA

    Theodore J. Smayda;Brenda J. Boleyn

Frequent Co-Authors

Vera L. Trainer
Vera L. Trainer National Oceanic and Atmospheric Administration
Donald M. Anderson
Donald M. Anderson Woods Hole Oceanographic Institution
Colin S. Reynolds
Colin S. Reynolds Freshwater Biological Association
Peter G. Verity
Peter G. Verity Skidaway Institute of Oceanography
William P. Cochlan
William P. Cochlan San Francisco State University
Tracy A. Villareal
Tracy A. Villareal The University of Texas at Austin
Angela Wulff
Angela Wulff University of Gothenburg
Egil Sakshaug
Egil Sakshaug Norwegian University of Science and Technology
Paul Tett
Paul Tett Scottish Association For Marine Science
Mark L. Wells
Mark L. Wells University of Maine

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