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 05, 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].
Rankings
Rankings
Environmental Sciences | Natural Sciences | Ecology | Earth Sciences | forestr
H-Index Metrics
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H-Index93
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i10 Index252
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Citation Counts37,691
Rankings
Restauração ecológica | biologia da conservação | sementes florestai
H-Index Metrics
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H-Index84
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i10 Index237
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Citation Counts28,189
Rankings
Rankings
Rankings
aquatic feeds | nutrition | aquaculture | feeds and feeding | food securit
H-Index Metrics
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H-Index75
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i10 Index158
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Citation Counts24,194
Rankings
Functional Ecology | Ecohydrology | Ecosystem Functioning | Savanna ecology | Restoration ecolog
H-Index Metrics
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H-Index72
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i10 Index192
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Citation Counts18,951
Rankings
Agriculture and Plant Sciences | Soils and Hydrology | Environmental Science
H-Index Metrics
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H-Index70
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i10 Index244
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Citation Counts15,746
Rankings
Rankings
fish physiology | aquatic animals anesthesia | fish osmoregulation | fish cultur
H-Index Metrics
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H-Index69
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i10 Index358
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Citation Counts18,401
Rankings
fertilidade do solo | nutrição de plantas | bioenergia | sustentabilidade | cana-de-açúca
H-Index Metrics
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H-Index69
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i10 Index229
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Citation Counts22,049
Rankings
Rankings
Rankings
sensory analisys | dairy technology | functional foods | consumer researc
H-Index Metrics
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H-Index65
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i10 Index176
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Citation Counts11,660
Rankings
Agricultural | Plant-Pest Interaction | Plant Scienc
H-Index Metrics
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H-Index65
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i10 Index242
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Citation Counts15,254
Rankings
Rankings
Fisheries | Food | Human Ecology | Ethnobiology | Fisher's Knowledg
H-Index Metrics
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H-Index62
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i10 Index156
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Citation Counts12,855
Rankings
Fish diseases | Fish pathology | Fish health | Aquaculture | Immunoprophylaxi
H-Index Metrics
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H-Index59
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i10 Index269
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Citation Counts11,767
Rankings
Fitotecnia - Fertilidade do Solo e Adubação - Manejo e Tratus Culturai
H-Index Metrics
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H-Index58
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i10 Index286
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Citation Counts12,919
Rankings
host defense mechanisms | induced resistance | microscopy | photosynthesi
H-Index Metrics
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H-Index58
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i10 Index225
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Citation Counts12,508
Rankings
Rankings
Manejo do solo | agronomy | soil management | soil organic matter | tropical fores
H-Index Metrics
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H-Index58
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i10 Index132
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Citation Counts11,320
Rankings
Rankings
Rankings
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