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Takayuki Hanazato

Takayuki Hanazato

D-Index & Metrics

Environmental Sciences

D-Index
34
Citations
4951
World Ranking
9435
National Ranking
194

Takayuki Hanazato 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 Takayuki Hanazato 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: 142 publications — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Takayuki Hanazato 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 Takayuki Hanazato 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: 34 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Takayuki Hanazato is affiliated with Shinshu University in Japan.

The scientist's research profile does not currently include documented recent papers, co-authors, publication venues, book publications, or detailed fields and subfields of study.

There are no specific main topics of work, awards, or other distinctions recorded.

This lack of publicly available detailed information restricts further elaboration on research contributions or areas of specialization.

Best Publications

  • Pesticide effects on freshwater zooplankton: an ecological perspective

    T Hanazato

  • Nutrient dynamics and the eutrophication of shallow lakes Kasumigaura (Japan), Donghu (PR China), and Okeechobee (USA).

    K.E Havens;T Fukushima;P Xie;T Iwakuma

  • Synergistic effects of low oxygen concentration, predator kairomone, and a pesticide on the cladoceran Daphnia pulex

    Takayuki Hanazato;Stanley I. Dodson

  • Commentary on effects of anthropogenic and natural organic chemicals on development, swimming behavior, and reproduction of Daphnia, a key member of aquatic ecosystems.

    Stanley I. Dodson;Takayuki Hanazato

  • Behavioral responses of Daphnia pulex exposed to carbaryl and Chaoborus kairomone

    Stanley I. Dodson;Takayuki Hanazato;Patrick R. Gorski

  • Zooplankton community structure driven by vertebrate and invertebrate predators.

    Takayuki Hanazato;Masayuki Yasuno

  • Response of a zooplankton community to insecticide application in experimental ponds: a review and the implications of the effects of chemicals on the structure and functioning of freshwater communities

    T. Hanazato

  • Zooplankton community responses to chemical stressors: a comparison of results from acidification and pesticide contamination research.

    Karl E. Havens;Takayuki Hanazato

  • Influence of time of application of an insecticide on recovery patterns of a zooplankton community in experimental ponds.

    Takayuki Hanazato;Masayuki Yasuno

  • Effects of a carbamate insecticide, carbaryl, on the summer phyto- and zooplankton communities in ponds.

    Takayuki Hanazato;Masayuki Yasuno

  • Evaluation of Microcystis as food for zooplankton in a eutrophic lake

    Takayuki Hanazato;Masayuki Yasuno

  • Effects of repeated application of carbaryl on zooplankton communities in experimental ponds with or without the predator Chaoborus.

    Takayuki Hanazato

  • Effect of Temperature in the Laboratory Studies on Growth, Egg Development and First Parturition of Five Species of Cladocera

    Takayuki Hanazato;Masayuki Yasuno

  • Complex effects of a kairomone of Chaoborus and an insecticide on Daphnia pulex

    Takayuki Hanazato;Stanley I. Dodson

  • Significance of a low oxygen layer for a Daphnia population in Lake Yunoko, Japan

    Takayuki Hanazato;Masayuki Yasuno;Masaaki Hosomi

  • Vulnerability of cladoceran species to predation by the copepod Mesocyclops leuckarti: laboratory observations on the behavioural interactions between predator and prey

    Kwang‐Hyeon Chang;Takayuki Hanazato

  • Growth analysis of Daphnia early juvenile stages as an alternative method to test the chronic effect of chemicals

    Takayuki Hanazato

  • Effects of permethrin on phytoplankton and zooplankton in an enclosure ecosystem in a pond

    Masayuki Yasuno;Takayuki Hanazato;Toshio Iwakuma;Kenzi Takamura

  • Modelling and prediction of phyto‐ and zooplankton dynamics in Lake Kasumigaura by artificial neural networks

    Friedrich Recknagel;Takehiko Fukushima;Takayuki Hanazato;Noriko Takamura

  • Fish-induced life-history shifts in the cladocerans Daphnia and Simocephalus: are they positive or negative responses?

    Takayuki Hanazato;Kaori Fueki;Makiko Yoshimoto

  • Induction of helmet development by a Chaoborus factor in Daphnia ambigua during juvenile stages

    Takayuki Hanazato

  • Impact of pesticide application on zooplankton communities with different densities of invertebrate predators: An experimental analysis using small-scale mesocosms

    K.H. Chang;M. Sakamoto;T. Hanazato

  • Anthropogenic chemicals (insecticides) disturb natural organic chemical communication in the plankton community

    T Hanazato

  • Interrelations between Microcystis and Cladocera in the highly Eutrophic Lake Kasumigaura, Japan

    Takayuki Hanazato

Frequent Co-Authors

Noriko Takamura
Noriko Takamura National Institute for Environmental Studies
Stanley I. Dodson
Stanley I. Dodson University of Wisconsin–Madison
Karl E. Havens
Karl E. Havens University of Florida
Keisuke Hanaki
Keisuke Hanaki University of Tokyo
Hajime Kayanne
Hajime Kayanne University of Tokyo
Kaoru Takara
Kaoru Takara Kyoto University
Ping Xie
Ping Xie Chinese Academy of Sciences
Masaaki Hosomi
Masaaki Hosomi Tokyo University of Agriculture and Technology
Tomohiko Isobe
Tomohiko Isobe National Institute for Environmental Studies
Hideyuki Doi
Hideyuki Doi Kyoto University

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