World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
32
Citations
5772
World Ranking
9601
National Ranking
3443

Harold G. Marshall 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 Harold G. Marshall 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: 283 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: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 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 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 125 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Harold G. Marshall 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 Harold G. Marshall 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: 199 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: 19 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: 99 scientists
30 D-Index 125+

This scientist: 32 D-Index — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Harold G. Marshall is affiliated with Old Dominion University in the United States. Their recent published work includes the paper titled "Issue Information," released in 2023 in the journal Frontiers in Ecology and the Environment.

Their collaboration network includes several co-authors with whom they have worked on publications. These frequent co-authors include:

  • Songlin Fei
  • Elizabeth A. LaRue
  • K Dahlin
  • Robert J. Fahey
  • Brandon C. Alveshere

Their research has appeared in the venue Frontiers in Ecology and the Environment, with at least one publication recorded there. This suggests a focus within ecological and environmental sciences, although detailed subfields or specific main fields of study are not listed in the available data.

Harold G. Marshall's documented contributions reflect engagement with the academic community in their fields of interest, as indicated by their publication record and collaborative research efforts.

Best Publications

  • Eutrophication and harmful algal blooms: A scientific consensus

    J. Heisler;P.M. Glibert;J.M. Burkholder;D.M. Anderson

  • Cascading Disturbances in Florida Bay, USA: Cyanobacteria Blooms, Sponge Mortality, And Implications For Juvenile Spiny Lobsters Panulirus Argus

    Mark J Butler Iv;John H. Hunt;William F. Herrnkind;Michael J. Childress

  • A review of phytoplankton composition within Chesapeake Bay and its tidal estuaries

    Harold G. Marshall;Lubomira Burchardt;Richard Lacouture

  • Estuarine relationships between zooplankton community structure and trophic gradients

    Gyung Soo Park;Harold G. Marshall

  • Understanding Causes and Impacts of the Dinoflagellate, Cochlodinium polykrikoides, Blooms in the Chesapeake Bay

    Margaret R. Mulholland;Ryan E. Morse;George E. Boneillo;Peter W. Bernhardt

  • Phytoplankton assemblages associated with water quality and salinity regions in Chesapeake Bay, USA

    Harold G. Marshall;Richard V. Lacouture;Claire Buchanan;Jacqueline M. Johnson

  • Phytoplankton Index of Biotic Integrity for Chesapeake Bay and its Tidal Tributaries

    Richard V. Lacouture;Jacqueline M. Johnson;Claire Buchanan;Harold G. Marshall

  • The Trophic Contributions of Rotifers in Tidal Freshwater and Estuarine Habitats

    G.S. Park;H.G. Marshall

  • A comparison of phytoplankton assemblages and environmental relationships in three estuarine rivers of the lower Chesapeake Bay

    Harold G. Marshall;Raymond W. Alden

  • Seasonal patterns of growth and composition of phytoplankton in the lower Chesapeake Bay and vicinity

    Harold G. Marshall;Richard Lacouture

  • Assessment and significance of phytoplankton species composition within Chesapeake Bay and Virginia tributaries through a long-term monitoring program

    Harold G. Marshall;Michael F. Lane;Kneeland K. Nesius;Lubomira Burchardt

  • Comparative culture and toxicity studies between the toxic dinoflagellate Pfiesteria piscicida and a morphologically similar cryptoperidiniopsoid dinoflagellate.

    Harold G Marshall;Andrew S Gordon;David W Seaborn;Brian Dyer

  • Seasonal dynamics of Mesodinium rubrum in Chesapeake Bay

    Matthew D. Johnson;Diane K. Stoecker;Harold G. Marshall

  • Phytoplankton reference communities for Chesapeake Bay and its tidal tributaries

    Claire Buchanan;Richard V. Lacouture;Harold G. Marshall;Marcia Olson

  • Phytoplankton composition in relation to primary production in Chesapeake Bay

    Unknown

  • Demonstration of toxicity to fish and to mammalian cells by Pfiesteria species: comparison of assay methods and strains.

    JoAnn M. Burkholder;Andrew S. Gordon;Peter D. Moeller;J. Mac Law

  • BIOGEOGRAPHIC ANALYSIS OF THE ARMORED PLANKTONIC DINOFLAGELLATE CERATIUM IN THE NORTH ATLANTIC AND ADJACENT SEAS1

    John D. Dodge;Harold G. Marshall

  • The standardized fish bioassay procedure for detecting and culturing actively toxic Pfiesteria, used by two reference laboratories for atlantic and gulf coast states.

    JoAnn M. Burkholder;Harold G. Marshall;Howard B. Glasgow;David W. Seaborn

  • Seasonal phytoplankton composition in the lower Chesapeake Bay and old plantation Creek, Cape Charles, Virginia

    Harold G. Marshall

  • Emergence of Algal Blooms: The Effects of Short-Term Variability in Water Quality on Phytoplankton Abundance, Diversity, and Community Composition in a Tidal Estuary.

    Todd A. Egerton;Ryan E. Morse;Harold G. Marshall;Margaret R. Mulholland

  • Remote sensing of phytoplankton community composition along the northeast coast of the United States

    Xiaoju Pan;Antonio Mannino;Harold G. Marshall;Katherine C. Filippino

  • Phytoplankton of the York River

    Harold G. Marshall

  • A global diatom database ¿ abundance, biovolume and biomass in the world ocean.

    K. Leblanc;J. Arístegui;L. Armand;P. Assmy

Frequent Co-Authors

JoAnn M. Burkholder
JoAnn M. Burkholder North Carolina State University
Margaret R. Mulholland
Margaret R. Mulholland Old Dominion University
Diane K. Stoecker
Diane K. Stoecker University of Maryland Center For Environmental Sciences
Christopher J. Gobler
Christopher J. Gobler Stony Brook University
Patricia M. Glibert
Patricia M. Glibert University of Maryland Center For Environmental Sciences
Michael A. Mallin
Michael A. Mallin University of North Carolina Wilmington
Raphael M. Kudela
Raphael M. Kudela University of California, Santa Cruz
William P. Cochlan
William P. Cochlan San Francisco State University
Donald M. Anderson
Donald M. Anderson Woods Hole Oceanographic Institution
Cynthia A. Heil
Cynthia A. Heil Bigelow Laboratory For Ocean Sciences

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