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Patricia A. Tester

Patricia A. Tester

Ocean Tester LLC
United States

D-Index & Metrics

Biology and Biochemistry

D-Index
61
Citations
11393
World Ranking
11516
National Ranking
4971

Patricia A. Tester publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Patricia A. Tester sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 133 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Patricia A. Tester D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Patricia A. Tester sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 61 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Patricia A. Tester is affiliated with Ocean Tester LLC in the United States. Their research primarily spans the fields of Environmental Science and Earth and Planetary Sciences, with a particular focus on subfields such as Environmental Chemistry, Oceanography, and Ecology. Additional areas of study include Endocrine and Autonomic Systems and Molecular Biology.

The scientist's work covers several main topics, notably Marine Toxins and Detection Methods, Marine and coastal ecosystems, Microbial Community Ecology and Physiology, Marine Biology and Ecology Research, Neuroscience of respiration and sleep, Vibrio bacteria research studies, and Coral and Marine Ecosystems Studies.

Patricia A. Tester has contributed to multiple scholarly articles, with recent publications including:

  • Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts (2021) in Communications Earth & Environment
  • Climate change and harmful benthic microalgae (2020) in Harmful Algae
  • Ciguatera poisonings: A global review of occurrences and trends (2020) in Harmful Algae
  • Effects of substratum and depth on benthic harmful dinoflagellate assemblages (2020) in Scientific Reports
  • The microbiome of the habitat-forming brown alga Fucus vesiculosus (Phaeophyceae) has similar cross-Atlantic structure that reflects past and present drivers (2021) in Journal of Phycology

Tester frequently publishes in journals such as Harmful Algae, UNC Libraries, and DIGITAL.CSIC (Spanish National Research Council), along with contributions to Communications Earth & Environment and Scientific Reports.

The scientist has collaborated on multiple occasions with other researchers. Frequent co-authors include:

  • Mireille Chinain
  • R. Wayne Litaker
  • Elisa Berdalet
  • Marie-Yasmine Dechraoui Bottein
  • D. Ransom Hardison

Best Publications

  • Toxic marine phytoplankton, zooplankton grazers, and pelagic food webs

    Jefferson T. Turner;Patricia A. Tester

  • Perceived global increase in algal blooms is attributable to intensified monitoring and emerging bloom impacts

    Gustaaf M. Hallegraeff;Donald M. Anderson;Catherine Belin;Marie-Yasmine Dechraoui Bottein

  • MONITORING KARENIA BREVIS BLOOMS IN THE GULF OF MEXICO USING SATELLITE OCEAN COLOR IMAGERY AND OTHER DATA

    R.P. Stumpf;M.E. Culver;P.A. Tester;M. Tomlinson

  • Gymnodinium breve red tide blooms: Initiation, transport, and consequences of surface circulation

    Patricia A. Tester;Karen A. Steidinger

  • The role of nutrient loading and eutrophication in estuarine ecology.

    James L. Pinckney;Hans W. Paerl;Patricia Tester;Tammi L. Richardson

  • Relating spectral shape to cyanobacterial blooms in the Laurentian Great Lakes

    T. T. Wynne;R. P. Stumpf;M. C. Tomlinson;R. A. Warner

  • Detection of harmful algal blooms using photopigments and absorption signatures: A case study of the Florida red tide dinoflagellate, Gymnodinium breve

    David F. Millie;Oscar M. Schofield;Gary J. Kirkpatrick;Geir Johnsen

  • Taxonomy of Gambierdiscus including four new species, Gambierdiscus caribaeus, Gambierdiscus carolinianus, Gambierdiscus carpenteri and Gambierdiscus ruetzleri (Gonyaulacales, Dinophyceae)

    R. Wayne Litaker;Mark W. Vandersea;Maria A. Faust;Steven R. Kibler

  • An expatriate red tide bloom: Transport, distribution, and persistence

    Patricia A. Tester;Richard P. Stumpf;Fred M. Vukovich;Patricia K. Fowler

  • Ciguatera fish poisoning and sea surface temperatures in the Caribbean Sea and the West Indies.

    Patricia A. Tester;Rebecca L. Feldman;Amy W. Nau;Steven R. Kibler

  • Insidious effects of a toxic estuarine dinoflagellate on fish survival and human health

    Howard B. Glasgow;JoAnn M. Burkholder;Donald E. Schmechel;Patricia A. Tester

  • RECOGNIZING DINOFLAGELLATE SPECIES USING ITS rDNA SEQUENCES1

    R. Wayne Litaker;Mark W. Vandersea;Steven R. Kibler;Kimberly S. Reece

  • IDENTIFICATION OF PFIESTERIA PISCICIDA (DINOPHYCEAE) AND PFIESTERIA-LIKE ORGANISMS USING INTERNAL TRANSCRIBED SPACER-SPECIFIC PCR ASSAYS1

    R. Wayne Litaker;Mark W. Vandersea;Steven R. Kibler;Kimberly S. Reece

  • How long does it take copepods to make eggs

    Patricia A. Tester;Jefferson T. Turner

  • Beach strandings as an indicator of at-sea mortality of sea turtles

    S. P. Epperly;J. Braun;A. J. Chester;F. A. Cross

  • Vectorial transport of toxins from the dinoflagellate Gymnodinium breve through copepods to fish

    Patricia A. Tester;Jefferson T. Turner;Damian Shea

  • Evaluating phytoplankton dynamics in the Newport River estuary (North Carolina, USA) by HPLC-derived pigment profiles

    Tester Pa;Geesey Me;Guo C;Paerl Hw

  • Winter distribution of sea turtles in the vicinity of Cape Hatteras and their interactions with the summer flounder trawl fishery

    S. P. Epperly;J. Braun;A. J. Chester;F. A. Cross

  • Effects of cupric and zinc ion activities on the survival and reproduction of marine copepods

    W. G. Sunda;P. A. Tester;S. A. Huntsman

  • The marine cladoceran Penilia avirostris and the "microbial loop" of pelagic food webs'

    Jefferson T. Turner;Patricia A. Tester;Randolph L. Ferguson

Frequent Co-Authors

R. Wayne Litaker
R. Wayne Litaker National Oceanic and Atmospheric Administration
Richard P. Stumpf
Richard P. Stumpf National Oceanic and Atmospheric Administration
Gary L. Fahnenstiel
Gary L. Fahnenstiel Michigan Technological University
William G. Sunda
William G. Sunda University of North Carolina at Chapel Hill
Kimberly S. Reece
Kimberly S. Reece Virginia Institute of Marine Science
Edna Granéli
Edna Granéli Linnaeus University
James L. Pinckney
James L. Pinckney University of South Carolina
Edward J. Noga
Edward J. Noga North Carolina State University
Allen R. Place
Allen R. Place University of Maryland Center For Environmental Sciences
Hans W. Paerl
Hans W. Paerl University of North Carolina at Chapel Hill

External Links

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Related Online Degrees & Career Pathways

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These flexible online programs allow students to advance their scientific knowledge and pursue rewarding careers in healthcare—all while studying from anywhere.

Best Scientists Citing Patricia A. Tester

Hae Jin Jeong

Hae Jin Jeong

Seoul National University

Publications: 58

Hans W. Paerl

Hans W. Paerl

University of North Carolina at Chapel Hill

Publications: 52

JoAnn M. Burkholder

JoAnn M. Burkholder

North Carolina State University

Publications: 45

Donald M. Anderson

Donald M. Anderson

Woods Hole Oceanographic Institution

Publications: 44

Richard P. Stumpf

Richard P. Stumpf

National Oceanic and Atmospheric Administration

Publications: 40

Shauna A. Murray

Shauna A. Murray

University of Technology Sydney

Publications: 34

Senjie Lin

Senjie Lin

University of Connecticut

Publications: 30

Raphael M. Kudela

Raphael M. Kudela

University of California, Santa Cruz

Publications: 29

Cynthia A. Heil

Cynthia A. Heil

Bigelow Laboratory For Ocean Sciences

Publications: 28

Chuanmin Hu

Chuanmin Hu

University of South Florida St. Petersburg

Publications: 28

Howard B. Glasgow

Howard B. Glasgow

North Carolina State University

Publications: 25

Urban Tillmann

Urban Tillmann

Alfred Wegener Institute for Polar and Marine Research

Publications: 23

Albert Calbet

Albert Calbet

Spanish National Research Council

Publications: 23

Patricia M. Glibert

Patricia M. Glibert

University of Maryland Center For Environmental Sciences

Publications: 22

Edna Granéli

Edna Granéli

Linnaeus University

Publications: 20

Robert H. Weisberg

Robert H. Weisberg

University of South Florida St. Petersburg

Publications: 20

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