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Singapore 159 Scientists Subject Rankings
The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 years. As of Jan 04, 2026, the rankings are determined according to the Total H Index. BETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (0) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].
* Total H Index Rankings
Rankings
3,628
World Rank
21
Country Rank
6
University
Ranking Based On Selection:
1
Natural Sciences / Biological Science
ecology | invasion biology | biodiversity | plant ecology | forest ecolog
ecology | invasion biology | biodiversity | plant ecology | forest ecolog
H-Index Metrics
-
H-Index132
-
i10 Index393
-
Citation Counts123,192
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* Total H Index Rankings
Rankings
10,531
World Rank
74
Country Rank
29
University
Ranking Based On Selection:
2
* Total H Index Rankings
Rankings
20,738
World Rank
159
Country Rank
82
University
Ranking Based On Selection:
3
Natural Sciences / Biological Science
sustainability & resilience | conservation ecology | applied ecology | nature-based solution
sustainability & resilience | conservation ecology | applied ecology | nature-based solution
H-Index Metrics
-
H-Index83
-
i10 Index163
-
Citation Counts31,929
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* Total H Index Rankings
Rankings
24,032
World Rank
185
Country Rank
98
University
Ranking Based On Selection:
4
* Total H Index Rankings
Rankings
24,874
World Rank
189
Country Rank
101
University
Ranking Based On Selection:
5
* Total H Index Rankings
Rankings
33,392
World Rank
248
Country Rank
13
University
Ranking Based On Selection:
6
Natural Sciences / Biological Science
influenza | virology | emerging infectious diseases | evolution | molecular epidemiolog
influenza | virology | emerging infectious diseases | evolution | molecular epidemiolog
H-Index Metrics
-
H-Index72
-
i10 Index136
-
Citation Counts27,218
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* Total H Index Rankings
Rankings
34,346
World Rank
255
Country Rank
135
University
Ranking Based On Selection:
7
Natural Sciences / Biological Science
Biological Wastewater Treatment | Membrane Bioreactor | Membrane Fouling | Water Reuse | Microbial Fuel Cel
Biological Wastewater Treatment | Membrane Bioreactor | Membrane Fouling | Water Reuse | Microbial Fuel Cel
H-Index Metrics
-
H-Index71
-
i10 Index199
-
Citation Counts16,040
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* Total H Index Rankings
Rankings
34,878
World Rank
261
Country Rank
138
University
Ranking Based On Selection:
8
Natural Sciences / Biological Science
Systematics and Taxonomy | Biogeography | Ecology | decapod crustaceans | Brachyur
Systematics and Taxonomy | Biogeography | Ecology | decapod crustaceans | Brachyur
H-Index Metrics
-
H-Index71
-
i10 Index559
-
Citation Counts39,617
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* Total H Index Rankings
Rankings
46,874
World Rank
354
Country Rank
191
University
Ranking Based On Selection:
9
Natural Sciences / Biological Science
Ecohydrology | Hydrology | Climate Change | Biogeosciences | Soil Physic
Ecohydrology | Hydrology | Climate Change | Biogeosciences | Soil Physic
H-Index Metrics
-
H-Index64
-
i10 Index131
-
Citation Counts13,857
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* Total H Index Rankings
Rankings
54,205
World Rank
408
Country Rank
216
University
Ranking Based On Selection:
10
* Total H Index Rankings
Rankings
55,017
World Rank
414
Country Rank
221
University
Ranking Based On Selection:
11
Natural Sciences / Biological Science
Epidemiology | Genetics | Immunology | Allergy | Molecular Breedin
Epidemiology | Genetics | Immunology | Allergy | Molecular Breedin
H-Index Metrics
-
H-Index61
-
i10 Index183
-
Citation Counts12,757
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* Total H Index Rankings
Rankings
57,951
World Rank
428
Country Rank
141
University
Ranking Based On Selection:
12
* Total H Index Rankings
Rankings
62,044
World Rank
452
Country Rank
151
University
Ranking Based On Selection:
13
* Total H Index Rankings
Rankings
63,514
World Rank
462
Country Rank
244
University
Ranking Based On Selection:
14
Natural Sciences / Biological Science
Botany | Horticulture | Conservation Biology | Biomechanics | Phytochemistr
Botany | Horticulture | Conservation Biology | Biomechanics | Phytochemistr
H-Index Metrics
-
H-Index58
-
i10 Index171
-
Citation Counts10,400
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* Total H Index Rankings
Rankings
68,742
World Rank
494
Country Rank
261
University
Ranking Based On Selection:
15
Natural Sciences / Biological Science
Tropical forest ecology | conservation | deforestation | land use chang
Tropical forest ecology | conservation | deforestation | land use chang
H-Index Metrics
-
H-Index56
-
i10 Index136
-
Citation Counts12,069
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* Total H Index Rankings
Rankings
68,948
World Rank
498
Country Rank
262
University
Ranking Based On Selection:
16
Natural Sciences / Biological Science
Experimental Marine Ecology | Urban Marine Ecology | Marine Biology | Tropical Marine Ecosystems | Ecological Engineerin
Experimental Marine Ecology | Urban Marine Ecology | Marine Biology | Tropical Marine Ecosystems | Ecological Engineerin
H-Index Metrics
-
H-Index56
-
i10 Index163
-
Citation Counts11,225
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* Total H Index Rankings
Rankings
77,480
World Rank
557
Country Rank
297
University
Ranking Based On Selection:
17
Natural Sciences / Biological Science
Innate immunity | Cancer-immunology | host-pathogen interactio
Innate immunity | Cancer-immunology | host-pathogen interactio
H-Index Metrics
-
H-Index54
-
i10 Index159
-
Citation Counts10,709
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* Total H Index Rankings
Rankings
81,569
World Rank
583
Country Rank
309
University
Ranking Based On Selection:
18
Natural Sciences / Biological Science
proteomics | mass spectrometry | cancer biomarker discovery | cancer biology | Mechanisms of water desalination in mangrove plants
proteomics | mass spectrometry | cancer biomarker discovery | cancer biology | Mechanisms of water desalination in mangrove plants
H-Index Metrics
-
H-Index53
-
i10 Index125
-
Citation Counts8,617
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* Total H Index Rankings
Rankings
82,378
World Rank
586
Country Rank
310
University
Ranking Based On Selection:
19
* Total H Index Rankings
Rankings
88,771
World Rank
633
Country Rank
332
University
Ranking Based On Selection:
20
* Total H Index Rankings
Rankings
92,597
World Rank
650
Country Rank
341
University
Ranking Based On Selection:
21
Natural Sciences / Biological Science
ORCID researchers ID: 0000-0003-2778-7803 / Forest ecology | secondary succession | restauratio
ORCID researchers ID: 0000-0003-2778-7803 / Forest ecology | secondary succession | restauratio
H-Index Metrics
-
H-Index50
-
i10 Index78
-
Citation Counts14,237
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* Total H Index Rankings
Rankings
92,688
World Rank
651
Country Rank
342
University
Ranking Based On Selection:
22
Natural Sciences / Biological Science
bees | systematics | biogeography | biodiversity | conservatio
bees | systematics | biogeography | biodiversity | conservatio
H-Index Metrics
-
H-Index50
-
i10 Index113
-
Citation Counts14,136
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* Total H Index Rankings
Rankings
94,315
World Rank
665
Country Rank
351
University
Ranking Based On Selection:
23
Natural Sciences / Biological Science
Plant Developmental Biology | Plant Biology | Plant Hormone Signaling | Salt Secretion in Mangrove
Plant Developmental Biology | Plant Biology | Plant Hormone Signaling | Salt Secretion in Mangrove
H-Index Metrics
-
H-Index50
-
i10 Index117
-
Citation Counts10,900
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* Total H Index Rankings
Rankings
98,066
World Rank
698
Country Rank
371
University
Ranking Based On Selection:
24
Natural Sciences / Biological Science
Evolutionary Developmental Biology | evo devo | plasticity | behavio
Evolutionary Developmental Biology | evo devo | plasticity | behavio
H-Index Metrics
-
H-Index49
-
i10 Index117
-
Citation Counts9,951
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* Total H Index Rankings
Rankings
98,200
World Rank
700
Country Rank
232
University
Ranking Based On Selection:
25
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