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
Rankings
Rankings
Rankings
soil | soil ecology | ecosystem ecology | ecology | biodiversit
H-Index Metrics
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H-Index152
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i10 Index348
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Citation Counts101,287
Rankings
soil ecology | mycorrhiza | fungal ecology | biodiversity | ecolog
H-Index Metrics
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H-Index147
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i10 Index508
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Citation Counts96,776
Rankings
Rankings
Redox biology | photosynthesis | stress | respiration | carbon/nitrogen interaction
H-Index Metrics
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H-Index149
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i10 Index442
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Citation Counts105,132
Rankings
Plant ecology | ecophysiology | alpine plant ecology | treelin
H-Index Metrics
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H-Index141
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i10 Index455
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Citation Counts80,872
Rankings
Plant biology | Insects as Food and Feed | Plant-Insect Interactions | Chemical ecology | Entomolog
H-Index Metrics
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H-Index139
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i10 Index543
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Citation Counts71,107
Rankings
Forests | Global Change | Tropical Ecology | Biodiversity | Ethnobotan
H-Index Metrics
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H-Index138
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i10 Index426
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Citation Counts101,398
Rankings
Rankings
Rankings
plant ecophysiology | volatile organic compound emission | adaptation | stress biology | global chang
H-Index Metrics
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H-Index135
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i10 Index472
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Citation Counts81,237
Rankings
Rankings
smallholder farmers | systems agronomy | tropical farming systems | tropical legumes | nitrogen fixatio
H-Index Metrics
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H-Index132
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i10 Index537
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Citation Counts73,264
Rankings
Rankings
Agricultural economics | Consumer behaviour | Food marketing | Food science & technolog
H-Index Metrics
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H-Index120
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i10 Index342
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Citation Counts57,661
Rankings
Rankings
Rankings
Plant Breeding | plant genetics | plant science | plant genomic
H-Index Metrics
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H-Index118
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i10 Index583
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Citation Counts57,130
Rankings
Membrane transport | Ion channels | Optogenetics | Signaling | Guard cel
H-Index Metrics
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H-Index118
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i10 Index338
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Citation Counts43,856
Rankings
Agro-environmental and food chemistry. Sustainable primary production. Food quality and safet
H-Index Metrics
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H-Index117
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i10 Index626
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Citation Counts51,917
Rankings
Plant Science | Plant Nutrition | Agronomy | Biofortification | Crop Scienc
H-Index Metrics
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H-Index115
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i10 Index259
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Citation Counts58,823
Rankings
functional traits | ecology | community assembly | species coexistence | secondary forest
H-Index Metrics
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H-Index114
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i10 Index240
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Citation Counts57,376
Rankings
Biodiversity | conservation biology | mountains | science-policy wor
H-Index Metrics
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H-Index114
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i10 Index344
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Citation Counts55,963
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