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 06, 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 (1.131.911) 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].
Rankings
Stroke prevention | treatment | epidemiology | clinical trial
H-Index Metrics
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H-Index193
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i10 Index772
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Citation Counts435,255
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Plant ecophysiology | plant mineral nutrition | phosphorus | root exudation | Proteacea
H-Index Metrics
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H-Index127
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i10 Index628
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Citation Counts77,271
Rankings
Soil mechanics | geotechnical engineering | offshore engineerin
H-Index Metrics
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H-Index126
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i10 Index493
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Citation Counts54,116
Rankings
coastal processes | coral reefs | coral calcification | ocean acidification | climate chang
H-Index Metrics
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H-Index126
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i10 Index365
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Citation Counts58,727
Rankings
Ecology | Restoration Ecology | Conservation Biology | Landscape Ecolog
H-Index Metrics
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H-Index122
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i10 Index436
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Citation Counts82,410
Rankings
plant nutrition | agronomy | nutrient management | rhizospher
H-Index Metrics
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H-Index121
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i10 Index519
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Citation Counts97,487
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plant biochemistry | mitochondria | respiration | metabolism | proteomic
H-Index Metrics
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H-Index110
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i10 Index305
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Citation Counts44,638
Rankings
Geriatric psychiatry | old age psychiatry | ageing | geriatrics | gerontolog
H-Index Metrics
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H-Index109
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i10 Index385
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Citation Counts42,429
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Evolutionary biology | behavioral ecology | animal behavior | ecology | biolog
H-Index Metrics
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H-Index106
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i10 Index379
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Citation Counts37,072
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Opto-mechanics | parametric instability | gravitational waves | optical cavitie
H-Index Metrics
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H-Index104
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i10 Index185
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Citation Counts113,293
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agriculture | food production | herbicide resistance | evolutio
H-Index Metrics
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H-Index98
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i10 Index320
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Citation Counts39,061
Rankings
Rankings
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