World's Best Scientists 2026 revealed!
Hiroyuki Muraoka

Hiroyuki Muraoka

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Environmental Sciences 37 8910 8550 181 178 149 5252

Hiroyuki Muraoka publications per year

The chart shows the history of publications by Hiroyuki Muraoka between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hiroyuki Muraoka published across 29 years, from 1997 to 2025, averaging 6.9 papers a year. Output peaked at 17 publications in 2023. 13 of the 199 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 17. Peak 17 publications in 2023. 1997: 1 publication 1998: 2 publications 1999: 0 publications 2000: 4 publications 2001: 1 publication 2002: 3 publications 2003: 1 publication 2004: 3 publications 2005: 5 publications 2006: 2 publications 2007: 3 publications 2008: 5 publications 2009: 1 publication 2010: 12 publications 2011: 10 publications 2012: 10 publications 2013: 12 publications 2014: 11 publications 2015: 6 publications 2016: 15 publications 2017: 6 publications 2018: 13 publications 2019: 7 publications 2020: 10 publications 2021: 10 publications 2022: 16 publications 2023: 17 publications 2024: 6 publications 2025: 7 publications
1997 2025

199 publications in total across all disciplines

View publications per year as a table
Hiroyuki Muraoka: publications per year, 1997 to 2025
Year Publications
1997 1
1998 2
1999 0
2000 4
2001 1
2002 3
2003 1
2004 3
2005 5
2006 2
2007 3
2008 5
2009 1
2010 12
2011 10
2012 10
2013 12
2014 11
2015 6
2016 15
2017 6
2018 13
2019 7
2020 10
2021 10
2022 16
2023 17
2024 6
2025 7
Total 199
Download as CSV

Hiroyuki Muraoka 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 Hiroyuki Muraoka sits on this spectrum.

No. of scientists
200 400 600
Bar chart with 66 bars. Horizontal axis: publications, 41–50 to 690+. Vertical axis: number of scientists, 0 to 617. Most scientists, 617, have 121–130 publications. The last bar groups every scientist with 690 publications or more. The highlighted bar, 141–150 publications, is where this scientist sits. 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: 282 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: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 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 681–689 publications: 4 scientists 690+ publications: 100 scientists
41–50 publications 690+

This scientist: 149 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

View publications distribution as a table
Number of Environmental Sciences scientists by publication count, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
Publications Scientists This scientist
41–50 21
51–60 62
61–70 133
71–80 257
81–90 361
91–100 440
101–110 492
111–120 541
121–130 617
131–140 544
141–150 541 149
151–160 539
161–170 444
171–180 444
181–190 400
191–200 377
201–210 318
211–220 282
221–230 263
231–240 220
241–250 217
251–260 180
261–270 181
271–280 155
281–290 130
291–300 127
301–310 130
311–320 85
321–330 106
331–340 80
341–350 83
351–360 75
361–370 69
371–380 52
381–390 54
391–400 56
401–410 44
411–420 40
421–430 36
431–440 25
441–450 25
451–460 32
461–470 29
471–480 21
481–490 26
491–500 26
501–510 17
511–520 19
521–530 15
531–540 22
541–550 12
551–560 15
561–570 11
571–580 19
581–590 9
591–600 9
601–610 7
611–620 11
621–630 5
631–640 5
641–650 6
651–660 3
661–670 3
671–680 4
681–689 4
690+ 100
Download as CSV

Hiroyuki Muraoka 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 Hiroyuki Muraoka sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 97 bars. Horizontal axis: D-Index, 30 to 126+. Vertical axis: number of scientists, 0 to 348. Most scientists, 348, have 45 D-Index. The last bar groups every scientist with 126 D-Index or more. The highlighted bar, 37 D-Index, is where this scientist sits. 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: 198 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: 20 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: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 37 D-Index — 10th percentile

10% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

View D-Index distribution as a table
Number of Environmental Sciences scientists by D-index, Research.com 2026 ranking edition. Based on 9,676 ranked scientists.
D-Index Scientists This scientist
30 12
31 26
32 51
33 88
34 123
35 163
36 206
37 267 37
38 265
39 275
40 321
41 343
42 305
43 336
44 330
45 348
46 291
47 275
48 272
49 273
50 263
51 232
52 266
53 217
54 198
55 177
56 202
57 204
58 166
59 177
60 166
61 152
62 143
63 150
64 124
65 119
66 120
67 118
68 82
69 98
70 94
71 105
72 74
73 84
74 70
75 67
76 78
77 60
78 59
79 52
80 47
81 38
82 48
83 42
84 42
85 43
86 29
87 37
88 29
89 30
90 34
91 20
92 22
93 17
94 19
95 24
96 21
97 20
98 24
99 17
100 17
101 21
102 25
103 18
104 26
105 20
106 15
107 10
108 13
109 15
110 12
111 8
112 7
113 9
114 6
115 12
116 7
117 8
118 3
119 5
120 7
121 2
122 4
123 8
124 7
125 9
126+ 92
Download as CSV

Overview

Hiroyuki Muraoka is affiliated with Gifu University in Japan and has contributed extensively to the fields of Medicine and Environmental Science. Their research spans several subfields including Psychiatry and Mental Health, Global and Planetary Change, Ecology, Pharmacology, and Ecological Modeling.

Their work covers a range of main topics such as Schizophrenia Research and Treatment, Treatment of Major Depression, Species Distribution and Climate Change, Remote Sensing in Agriculture, Plant Water Relations and Carbon Dynamics, Pharmaceutical Practices and Patient Outcomes, and Health Systems including Economic Evaluations and Quality of Life.

Frequent co-authors who have collaborated with Hiroyuki Muraoka include Ken Inada, Naomi Hasegawa, Junya Matsumoto, Kazutaka Ohi, and Shinichiro Ochi.

Publications by Muraoka have appeared in venues such as Neuropsychopharmacology Reports, Psychiatry and Clinical Neurosciences, Ecological Research, The International Journal of Neuropsychopharmacology, and Mokuzai Gakkaishi.

Notable recent papers include:

  • A global biodiversity observing system to unite monitoring and guide action, 2023, Nature Ecology & Evolution
  • Perspective: sustainability challenges, opportunities and solutions for long-term ecosystem observations, 2023, Philosophical Transactions of the Royal Society B Biological Sciences
  • Importance of the Collection of Abundant Ground-Truth Data for Accurate Detection of Spatial and Temporal Variability of Vegetation by Satellite Remote Sensing, 2020, Geophysical monograph
  • Plant ecophysiological processes in spectral profiles: perspective from a deciduous broadleaf forest, 2021, Journal of Plant Research
  • Unmet needs of patients with major depressive disorder - Findings from the 'Effectiveness of Guidelines for Dissemination and Education in Psychiatric Treatment (EGUIDE)' project: A nationwide dissemination, education, and evaluation study, 2020, Psychiatry and Clinical Neurosciences

Best Publications

  • Emerging opportunities and challenges in phenology: a review

    Jianwu Tang;Christian Körner;Hiroyuki Muraoka;Shilong Piao;Shilong Piao

  • Crown architecture in sun and shade environments: assessing function and trade‐offs with a three‐dimensional simulation model

    Robert W. Pearcy;Hiroyuki Muraoka;Fernando Valladares

  • Forest biomass carbon sinks in East Asia, with special reference to the relative contributions of forest expansion and forest growth

    Jingyun Fang;Jingyun Fang;Zhaodi Guo;Zhaodi Guo;Huifeng Hu;Tomomichi Kato

  • Genesis, goals and achievements of Long-Term Ecological Research at the global scale: A critical review of ILTER and future directions.

    M. Mirtl;M. Mirtl;E. T. Borer;I. Djukic;M. Forsius

  • Contributions of diffusional limitation, photoinhibition and photorespiration to midday depression of photosynthesis in Arisaema heterophyllum in natural high light

    Hiroyuki Muraoka;Yanhong Tang;Ichiro Terashima;Hiroshi Koizumi

  • A global biodiversity observing system to unite monitoring and guide action

    Unknown

  • Photosynthetic and structural characteristics of canopy and shrub trees in a cool-temperate deciduous broadleaved forest: Implication to the ecosystem carbon gain

    Hiroyuki Muraoka;Hiroshi Koizumi

  • Effects of seasonal and interannual variations in leaf photosynthesis and canopy leaf area index on gross primary production of a cool-temperate deciduous broadleaf forest in Takayama, Japan.

    Hiroyuki Muraoka;Nobuko Saigusa;Kenlo N. Nasahara;Hibiki Noda

  • Experimental warming studies on tree species and forest ecosystems: a literature review

    Haegeun Chung;Hiroyuki Muraoka;Masahiro Nakamura;Saerom Han

  • The carbon budget of terrestrial ecosystems in East Asia over the last two decades

    S. L. Piao;S. L. Piao;A. Ito;S. G. Li;Y. Huang

  • Vertical integration of leaf area index in a Japanese deciduous broad-leaved forest

    Kenlo Nishida Nasahara;Hiroyuki Muraoka;Shin Nagai;Hiroaki Mikami

  • Contribution of climate change and rising CO2 to terrestrial carbon balance in East Asia: A multi-model analysis

    Shilong Piao;Philippe Ciais;Mark Lomas;Christian Beer

  • Spectral vegetation indices as the indicator of canopy photosynthetic productivity in a deciduous broadleaf forest

    Hiroyuki Muraoka;Hibiki M. Noda;Shin Nagai;Takeshi Motohka

  • Two separate periods of the LAI–VIs relationships using in situ measurements in a deciduous broadleaf forest

    Supannika Potithep;Supannika Potithep;Shin Nagai;Kenlo Nishida Nasahara;Hiroyuki Muraoka

  • Field experiments to test the use of the normalized-difference vegetation index for phenology detection.

    Shin Nagai;Shin Nagai;Kenlo Nishida Nasahara;Hiroyuki Muraoka;Tsuyoshi Akiyama

  • Satellite Ecology (SATECO)-linking ecology, remote sensing and micrometeorology, from plot to regional scale, for the study of ecosystem structure and function.

    Hiroyuki Muraoka;Hiroshi Koizumi

  • Using digital camera images to detect canopy condition of deciduous broad-leaved trees

    Shin Nagai;Takahisa Maeda;Minoru Gamo;Hiroyuki Muraoka

  • Assessing the use of camera-based indices for characterizing canopy phenology in relation to gross primary production in a deciduous broad-leaved and an evergreen coniferous forest in Japan

    Taku M. Saitoh;Shin Nagai;Nobuko Saigusa;Hideki Kobayashi

  • Net Photosynthesis, Respiration, and Production of the Moss Sanionia uncinata on a Glacier Foreland in the High Arctic, Ny-Alesund, Svalbard

    Masaki Uchida;Hiroyuki Muraoka;Takayuki Nakatsubo;Yukiko Bekku

  • Combined effects of light and water availability on photosynthesis and growth of Arisaema heterophyllum in the forest understory and an open site

    H. Muraoka;Y. Tang;Hiroshi Koizumi;I. Washitani

  • What makes the satellite-based EVI–GPP relationship unclear in a deciduous broad-leaved forest?

    Shin Nagai;Nobuko Saigusa;Hiroyuki Muraoka;Kenlo Nishida Nasahara

Frequent Co-Authors

Hiroshi Koizumi
Hiroshi Koizumi Waseda University
Yowhan Son
Yowhan Son Korea University
Tomomichi Kato
Tomomichi Kato Hokkaido University
Hideki Kobayashi
Hideki Kobayashi Japan Agency for Marine-Earth Science and Technology
Nobuko Saigusa
Nobuko Saigusa National Institute for Environmental Studies
Izumi Washitani
Izumi Washitani Chuo University
Yanhong Tang
Yanhong Tang Peking University
Jingyun Fang
Jingyun Fang Peking University
Toshiaki Onitsuka
Toshiaki Onitsuka Kyushu University
Ryota Hashimoto
Ryota Hashimoto National Center of Neurology and Psychiatry

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in studying Environmental Sciences, pursuing related online degrees can open new career opportunities in public policy, social research, and education. For instance, a one year MPA program equips students with skills in public administration, ideal for roles in environmental policy and management.

Understanding societal impacts on the environment is crucial, making an accredited online bachelors in sociology a valuable complement that enhances interdisciplinary knowledge. This degree prepares graduates to analyze social behaviors and structures affecting environmental issues.

For education professionals aiming to contribute through teaching or administration, online paths like edd no dissertation options provide a flexible route to advanced qualifications without the traditional research requirement.

Additionally, several institutions offer seamless transitions from eds to edd programs online, supporting continuous professional development tailored for environmental educators and leaders.

Best Scientists Citing Hiroyuki Muraoka

Trending Scientists

Recently Published Articles