World's Best Scientists 2026 revealed!
Margaret R. Mulholland

Margaret R. Mulholland

D-Index & Metrics

Environmental Sciences

D-Index
51
Citations
9560
World Ranking
4744
National Ranking
1754

Margaret R. Mulholland 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 Margaret R. Mulholland 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: 156 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Margaret R. Mulholland 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 Margaret R. Mulholland 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: 51 D-Index — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Overview

Margaret R. Mulholland is affiliated with Old Dominion University in the United States. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions to Environmental Science.

Their work includes detailed studies in several subfields such as Oceanography, Ecology, Environmental Chemistry, Global and Planetary Change, and Earth-Surface Processes. This expertise underpins investigations into various marine and coastal systems and processes.

Core research topics addressed by Mulholland cover:

  • Marine and coastal ecosystems
  • Marine Biology and Ecology Research
  • Microbial Community Ecology and Physiology
  • Isotope Analysis in Ecology
  • Coastal wetland ecosystem dynamics
  • Marine Toxins and Detection Methods
  • Coastal and Marine Dynamics

Mulholland has published extensively in several scientific venues, with frequent contributions to:

  • Limnology and Oceanography
  • Harmful Algae
  • Frontiers in Microbiology
  • Frontiers in Marine Science
  • Estuaries and Coasts

Recent notable publications include:

  • "Potential virus-mediated nitrogen cycling in oxygen-depleted oceanic waters," 2020, The ISME Journal
  • "A critical review of the 15N2 tracer method to measure diazotrophic production in pelagic ecosystems," 2020, Limnology and Oceanography Methods
  • "Global oceanic diazotroph database version 2 and elevated estimate of global oceanic N 2 fixation," 2023, Earth system science data
  • "A coastal N2 fixation hotspot at the Cape Hatteras front: Elucidating spatial heterogeneity in diazotroph activity via supervised machine learning," 2021, Limnology and Oceanography
  • "Effects of tidal flooding on estuarine biogeochemistry: Quantifying flood-driven nitrogen inputs in an urban, lower Chesapeake Bay sub-tributary," 2021, Water Research

Collaboration plays a key role in Mulholland's research, with frequent coauthors including:

  • Corday R. Selden
  • Peter Bernhardt
  • Sophie Clayton
  • Alfonso Macías-Tapia
  • P. Dreux Chappell

Best Publications

  • Potential climate-change impacts on the Chesapeake Bay

    Raymond G. Najjar;Christopher R. Pyke;Mary Beth Adams;Denise Breitburg

  • CO2 control of Trichodesmium N2 fixation, photosynthesis, growth rates, and elemental ratios: Implications for past, present, and future ocean biogeochemistry

    D. A. Hutchins;F.-X. Fu;Y. Zhang;M. E. Warner

  • Database of diazotrophs in global ocean: abundance, biomass and nitrogen fixation rates

    Y. W. Luo;S. C. Doney;L. A. Anderson;Mar Benavides

  • Extensive bloom of a N2-fixing diatom/cyanobacterial association in the tropical Atlantic Ocean

    Edward J. Carpenter;Joseph P. Montoya;James Burns;Margaret R. Mulholland

  • Marine Phytoplankton Temperature versus Growth Responses from Polar to Tropical Waters – Outcome of a Scientific Community-Wide Study

    Philip W. Boyd;Philip W. Boyd;Tatiana A. Rynearson;Evelyn A. Armstrong;Feixue Fu

  • Nutrient Cycles and Marine Microbes in a CO2-Enriched Ocean

    David A. Hutchins;Margaret R. Mulholland;Feixue Fu

  • Nitrogen fixation and release of fixed nitrogen by Trichodesmium spp. in the Gulf of Mexico

    Margaret R. Mulholland;Peter W. Bernhardt;Cynthia A. Heil;Deborah A. Bronk

  • Carbon budget of tidal wetlands, estuaries, and shelf waters of Eastern North America

    R. G. Najjar;M. Herrmann;R. Alexander;E. W. Boyer

  • The SouthEast Asian Time-series Study (SEATS) and the biogeochemistry of the South China Sea—An overview

    George T.F. Wong;George T.F. Wong;Teh-Lung Ku;Margaret Mulholland;Chun-Mao Tseng

  • Peptide Hydrolysis, Amino Acid Oxidation, and Nitrogen Uptake in Communities Seasonally Dominated by Aureococcus Anophagefferens

    Margaret R. Mulholland;Christopher J. Gobler;Cindy Lee

  • Dinitrogen fixation and release of ammonium and dissolved organic nitrogen by Trichodesmium IMS101

    Margaret R. Mulholland;Deborah A. Bronk;Douglas G. Capone

  • Nitrogen Uptake and Assimilation

    Margaret R. Mulholland;Michael W. Lomas

  • Interactions between changing pCO2, N2 fixation, and Fe limitation in the marine unicellular cyanobacterium Crocosphaera

    Fei-Xue Fu;Margaret R. Mulholland;Nathan S. Garcia;Aaron Beck

  • The fate of nitrogen fixed by diazotrophs in the ocean

    Margaret R. Mulholland

  • 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

  • The role of nitrogenous nutrients in the occurrence of harmful algal blooms caused by Cochlodinium polykrikoides in New York estuaries (USA)

    Christopher J. Gobler;Amanda Burson;Florian Koch;Yingzhong Tang

  • Potential virus-mediated nitrogen cycling in oxygen-depleted oceanic waters.

    M. Consuelo Gazitúa;Dean R. Vik;Simon Roux;Ann C. Gregory

  • The nitrogen physiology of the marine N2-fixing cyanobacteria Trichodesmium spp

    Margaret R Mulholland;Douglas G Capone

  • The effect of growth rate, phosphorus concentration, and temperature on N2 fixation, carbon fixation, and nitrogen release in continuous cultures of Trichodesmium IMS101

    Margaret R. Mulholland;Peter W. Bernhardt

  • Rates of dinitrogen fixation and the abundance of diazotrophs in North American coastal waters between Cape Hatteras and Georges Bank

    M. R. Mulholland;P. W. Bernhardt;J. L. Blanco-Garcia;A. Mannino

  • Reactivity and chemical characterization of effluent organic nitrogen from wastewater treatment plants determined by Fourier transform ion cyclotron resonance mass spectrometry.

    Rajaa Mesfioui;Nancy G. Love;Deborah A. Bronk;Margaret R. Mulholland

Frequent Co-Authors

Ilana Berman-Frank
Ilana Berman-Frank University of Haifa
Deborah A. Bronk
Deborah A. Bronk Virginia Institute of Marine Science
Douglas G. Capone
Douglas G. Capone University of Southern California
Cynthia A. Heil
Cynthia A. Heil Bigelow Laboratory For Ocean Sciences
Raymond G. Najjar
Raymond G. Najjar Pennsylvania State University
Barak Herut
Barak Herut Israel Oceanographic and Limnological Research
Cindy Lee
Cindy Lee Stony Brook University
Ken Furuya
Ken Furuya Soka University
David A. Hutchins
David A. Hutchins University of Southern California
Edward J. Carpenter
Edward J. Carpenter San Francisco State University

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