World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
34
Citations
6637
World Ranking
7516
National Ranking
57

Kazuhiko Sakai 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 Kazuhiko Sakai 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: 131 publications — 40th percentile

40% of scientists in this discipline score the same or lower.

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

Kazuhiko Sakai 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 Kazuhiko Sakai 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: 34 D-Index — 11th percentile

11% of scientists in this discipline score the same or lower.

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

Overview

Kazuhiko Sakai is affiliated with the University of the Ryukyus in Japan. Their research primarily focuses on environmental science and earth and planetary sciences, with a specialization in ecology, oceanography, and global and planetary change.

The scientist's work covers a range of topics within coral and marine ecosystems, marine and coastal plant biology, ocean acidification effects and responses, marine and fisheries research, crustacean biology and ecology, marine sponges and natural products, and marine bivalve and aquaculture studies.

Recent publications by Kazuhiko Sakai include the following:

  • An Indo-Pacific coral spawning database, 2021, Scientific Data
  • A coral spawning calendar for Sesoko Station, Okinawa, Japan, 2021, Galaxea Journal of Coral Reef Studies
  • Responses of branching reef corals Acropora digitifera and Montipora digitata to elevated temperature and pCO₂, 2020, PeerJ
  • Effects of Ocean Acidification on Coral Endolithic Bacterial Communities in Isopora palifera and Porites lobata, 2020, Frontiers in Marine Science
  • Phosphate bound to calcareous sediments hampers skeletal development of juvenile coral, 2021, Royal Society Open Science

Kazuhiko Sakai frequently publishes in the following journals:

  • Galaxea Journal of Coral Reef Studies
  • Frontiers in Marine Science
  • PeerJ
  • Royal Society Open Science
  • Coral Reefs

The scientist has collaborated regularly with several coauthors, including Akira Iguchi, Atsushi Suzuki, Saki Harii, Frédéric Sinniger, and Gal Eyal.

Best Publications

  • Coral bleaching: the winners and the losers

    Y. Loya;K. Sakai;K. Yamazato;Y. Nakano

  • Revisiting the winners and the losers a decade after coral bleaching

    R. van Woesik;K. Sakai;A. Ganase;Y. Loya

  • Molecular phylogeny of symbiotic dinoflagellates inferred from partial chloroplast large subunit (23S)-rDNA sequences.

    Scott R Santos;Derek J Taylor;Robert A Kinzie;Michio Hidaka

  • Coral larvae under ocean acidification: survival, metabolism, and metamorphosis.

    Masako Nakamura;Shun Ohki;Atsushi Suzuki;Kazuhiko Sakai

  • Larval settlement rates and gene flow of broadcast-spawning (Acropora tenuis) and planula-brooding (Stylophora pistillata) corals

    Akira Nishikawa;Masaya Katoh;Kazuhiko Sakai

  • Composition of lipids, fatty acids and sterols in Okinawan corals

    Hideyuki Yamashiro;Hirosuke Oku;Hideki Higa;Isao Chinen

  • Ocean acidification reduces sperm flagellar motility in broadcast spawning reef invertebrates.

    Masaya Morita;Ryota Suwa;Akira Iguchi;Masako Nakamura

  • Interspecific comparison of the symbiotic relationship in corals with high and low rates of bleaching-induced mortality

    J. Stimson;K. Sakai;H. Sembali

  • Effects of acidified seawater on early life stages of scleractinian corals (Genus Acropora)

    Ryota Suwa;Ryota Suwa;Masako Nakamura;Masaya Morita;Kazuaki Shimada

  • Morphological plasticity in the coral Porites sillimaniani and its adaptive significance

    S. Muko;K. Kawasaki;K. Sakai;F. Takasu

  • Effects of ocean acidification on calcification of symbiont-bearing reef foraminifers

    K. Fujita;M. Hikami;M. Hikami;A. Suzuki;A. Kuroyanagi

  • Seasonal changes in the content and composition of lipids in the coral Goniastrea aspera

    H. Oku;H. Yamashiro;K. Onaga;K. Sakai

  • Eggs regulate sperm flagellar motility initiation, chemotaxis and inhibition in the coral Acropora digitifera, A. gemmifera and A. tenuis.

    Masaya Morita;Akira Nishikawa;Ayako Nakajima;Akira Iguchi

  • Gene flow and genetic diversity of a broadcast-spawning coral in northern peripheral populations.

    Yuichi Nakajima;Akira Nishikawa;Akira Iguchi;Kazuhiko Sakai

  • Effect of Colony Size, Polyp Size, and Budding Mode on Egg Production in a Colonial Coral.

    Kazuhiko Sakai

  • Bidirectional sex change in mushroom stony corals

    Yossi Loya;Kazuhiko Sakai

  • Global biogeography of coral recruitment: tropical decline and subtropical increase

    NN Price;S Muko;L Legendre;R Steneck

  • Pacific-wide contrast highlights resistance of reef calcifiers to ocean acidification

    S. Comeau;R. C. Carpenter;Y Nojiri;H. M. Putnam

  • An Indo-Pacific coral spawning database.

    Andrew H. Baird;James R. Guest;Alasdair J. Edwards;Andrew G. Bauman

  • Settlement-competency period of planulae and genetic differentiation of the scleractinian coral Acropora digitifera.

    Akira Nishikawa;Kazuhiko Sakai

  • Effects of seawater pH on growth and skeletal U/Ca ratios of Acropora digitifera coral polyps

    Mayuri Inoue;Ryota Suwa;Atsushi Suzuki;Kazuhiko Sakai

  • Morphological plasticity in the coral Porites sillimaniani and its adaptive significance. Bull Mar Sci

    Soyoka Muko;Kohkichi Kawasaki;Kazuhiko Sakai;Fugo Takasu

Frequent Co-Authors

Atsushi Suzuki
Atsushi Suzuki National Institute of Advanced Industrial Science and Technology
Hodaka Kawahata
Hodaka Kawahata University of Tokyo
Yukihiro Nojiri
Yukihiro Nojiri National Institute for Environmental Studies
Yossi Loya
Yossi Loya Tel Aviv University
Peter J. Edmunds
Peter J. Edmunds California State University, Northridge
R. van Woesik
R. van Woesik Florida Institute of Technology
Chuya Shinzato
Chuya Shinzato University of Tokyo
Robert C. Carpenter
Robert C. Carpenter California State University, Northridge
Mary Alice Coffroth
Mary Alice Coffroth University at Buffalo, State University of New York
Nikolaus Gussone
Nikolaus Gussone University of Münster

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