World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
82
Citations
24532
World Ranking
748
National Ranking
63

Peter J. Ralph 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 Peter J. Ralph 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: 350 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Peter J. Ralph 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 Peter J. Ralph 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: 82 D-Index — 91st percentile

91% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 2015 - Fellow of Alfred P. Sloan Foundation

Overview

Peter J. Ralph is affiliated with the University of Technology Sydney in Australia. Their research primarily spans the broad fields of Environmental Science and Energy, with a substantial body of work in Renewable Energy, Sustainability and the Environment. Additional subfields include Oceanography, Molecular Biology, Ecology, and Environmental Chemistry.

The scientist's work focuses on topics such as algal biology and biofuel production, marine and coastal ecosystems, aquatic ecosystems and phytoplankton dynamics, marine and coastal plant biology, microbial community ecology and physiology, photosynthetic processes and mechanisms, and biodegradable polymer synthesis and properties.

Peter J. Ralph has contributed to numerous publications, including recent papers like Emerging Technologies in Algal Biotechnology: Toward the Establishment of a Sustainable, Algae-Based Bioeconomy (2020) published in Frontiers in Plant Science, Nutrient Removal by Algae-Based Wastewater Treatment (2022) in Current Pollution Reports, and How microalgal biotechnology can assist with the UN Sustainable Development Goals for natural resource management (2021) in Current Research in Environmental Sustainability.

Other recent works include Microalgae-based carbon capture and utilization: A critical review on current system developments and biomass utilization (2022) appearing in Critical Reviews in Environmental Science and Technology and Seagrasses in an era of ocean warming: a review (2021) in Biological Reviews.

Throughout their career, the scientist has published extensively in several key venues, such as Algal Research, Journal of Applied Phycology, Bioresource Technology, SSRN Electronic Journal, and The Science of The Total Environment.

Frequent collaborators include:

  • Unnikrishnan Kuzhiumparambil
  • Mathieu Pernice
  • Andrei Herdean
  • Donna L. Sutherland
  • Raffaela M. Abbriano

Peter J. Ralph received recognition as a Fellow of the Alfred P. Sloan Foundation in 2015.

Best Publications

  • Australian vegetated coastal ecosystems as global hotspots for climate change mitigation

    Oscar Serrano;Catherine E. Lovelock;Trisha B. Atwood;Trisha B. Atwood;Peter I. Macreadie

  • Rapid light curves: A powerful tool to assess photosynthetic activity

    Peter J. Ralph;Rolf Gademann

  • Coral bleaching: the role of the host

    Andrew H. Baird;Ranjeet Bhagooli;Peter J. Ralph;Shunichi Takahashi

  • Impact of light limitation on seagrasses

    P.J. Ralph;M.J. Durako;S. Enríquez;C.J. Collier

  • Photosynthesis and Metabolism in Seagrasses at the Cellular Level

    Anthony W.D. Larkum;Edward A. Drew;Peter J. Ralph

  • Microalgal bioremediation of emerging contaminants - Opportunities and challenges.

    Donna L. Sutherland;Peter J. Ralph

  • Emerging Technologies in Algal Biotechnology: Toward the Establishment of a Sustainable, Algae-Based Bioeconomy.

    Michele Fabris;Michele Fabris;Raffaela M Abbriano;Mathieu Pernice;Donna L Sutherland

  • Can we manage coastal ecosystems to sequester more blue carbon

    Peter I. Macreadie;Daniel A. Nielsen;Jeffrey J. Kelleway;Jeffrey J. Kelleway;Trisha B. Atwood

  • Quantifying and modelling the carbon sequestration capacity of seagrass meadows – A critical assessment

    P.I. Macreadie;M.E. Baird;S.M. Trevathan-Tackett;A.W.D. Larkum

  • Photosynthetic response of Halophila ovalis to heavy metal stress

    P.J Ralph;M.D Burchett

  • Assessment of Photosynthetic Performance of Prochloron in Lissoclinum patella in hospite by Chlorophyll Fluorescence Measurements

    U. Schreiber;R. Gademann;P.J. Ralph;A.W.D. Larkum

  • Comparison of marine macrophytes for their contributions to blue carbon sequestration

    Stacey M Trevathan-Tackett;Jeffrey Kelleway;Peter I Macreadie;Peter I Macreadie;John Beardall

  • The Impact of the Herbicide Diuron on Photosynthesis in Three Species of Tropical Seagrass

    David Haynes;Peter Ralph;Joelle Prange;Joelle Prange;Bill Dennison

  • Human impacts on seagrasses: Eutrophication, sedimentation, and contamination

    Peter J. Ralph;David Tomasko;Kenneth Moore;Stephanie Seddon

  • Seventy years of continuous encroachment substantially increases 'blue carbon' capacity as mangroves replace intertidal salt marshes.

    Jeffrey J. Kelleway;Neil Saintilan;Peter I. Macreadie;Peter I. Macreadie;Charles G. Skilbeck

  • Can macroalgae contribute to blue carbon? An Australian perspective

    Ross Hill;Alecia Bellgrove;Peter I. Macreadie;Katherina Petrou

  • Ecology: A niche for cyanobacteria containing chlorophyll d

    Michael Kühl;Min Chen;Peter J. Ralph;Ulrich Schreiber

  • In situ seagrass photosynthesis measured using a submersible, pulse-amplitude modulated fluorometer

    P. J. Ralph;R. Gademann;W. C. Dennison

  • Light gradients and optical microniches in coral tissues.

    Daniel Wangpraseurt;Anthony W. D. Larkum;Peter J. Ralph;Michael Kühl;Michael Kühl;Michael Kühl

  • Herbicide toxicity of Halophila ovalis assessed by chlorophyll a fluorescence.

    Peter J. Ralph

  • Variation in bleaching sensitivity of two coral species across a latitudinal gradient on the Great Barrier Reef: the role of zooxanthellae

    Karin E. Ulstrup;Ray Berkelmans;Peter J. Ralph;Madeleine J. H. van Oppen

Frequent Co-Authors

Michael Kühl
Michael Kühl University of Copenhagen
Anthony W. D. Larkum
Anthony W. D. Larkum University of Sydney
Martina A. Doblin
Martina A. Doblin University of Technology Sydney
Peter I. Macreadie
Peter I. Macreadie Deakin University
David J. Suggett
David J. Suggett University of Technology Sydney
Justin R. Seymour
Justin R. Seymour University of Technology Sydney
Michael Rasheed
Michael Rasheed James Cook University
John A. Raven
John A. Raven University of Dundee
Jeffrey J. Kelleway
Jeffrey J. Kelleway University of Wollongong

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution opens many exciting career opportunities and pairs well with a variety of academic backgrounds. If you’re considering flexible learning options, there are several online degrees that complement an Ecology and Evolution focus. For example, an interest in spatial analysis or sustainable design may lead you to explore an architecture degree online, where ecological concerns increasingly inform building and planning.

Strong quantitative skills are vital in ecology, and pursuing one of the many reputable online mathematics degrees can provide you with the analytical tools necessary for advanced environmental research. Alternatively, if visual communication or scientific illustration intrigues you, reviewing the best online graphic design programs can help you develop essential digital skills for outreach and education.

Career trajectories are also diverse; for instance, educators passionate about science and communication may be interested in learning how to transition from teacher to speech language pathologist, bridging educational and scientific expertise. Combining ecology with related degrees and professional pathways broadens your impact and employability in today’s environmental landscape.

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