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 Dec 30, 2025, 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 (1.131.699) 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
Plant Physiology | Molecular breeding | stress physiology | climate change | agriculture developmen
H-Index Metrics
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H-Index94
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i10 Index265
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Citation Counts32,754
Rankings
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Process systems engineering | Process integration | Carbon managemen
H-Index Metrics
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H-Index75
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i10 Index384
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Citation Counts23,043
Rankings
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grain quality | nutrition | climate change | seed biology | food scienc
H-Index Metrics
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H-Index65
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i10 Index143
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Citation Counts16,891
Rankings
biochemistry of marine toxins | sustainability & resilience | functional foods & traditional medicin
H-Index Metrics
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H-Index64
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i10 Index103
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Citation Counts15,559
Rankings
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Industrial Ecology | Sustainable Consumption and Productio
H-Index Metrics
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H-Index55
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i10 Index128
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Citation Counts11,892
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Psychology | Education | Social psychology | Psychology of hope and well-being | Educational psycholog
H-Index Metrics
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H-Index53
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i10 Index154
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Citation Counts9,323
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Mine Water | Mine Waste Management | Environmental Geochemistry | Environmental Electrochemistry | Resources Recycling
H-Index Metrics
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H-Index51
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i10 Index110
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Citation Counts8,248
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Water treatment | Air purification | Resource recovery | Bioenergy | Sensor
H-Index Metrics
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H-Index49
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i10 Index129
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Citation Counts7,734
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Food and nutrition security | food systems | food policy | value chain analysis | behavioral economic
H-Index Metrics
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H-Index46
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i10 Index102
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Citation Counts6,948
Rankings
Environmental Decision Making | Process Integration | Process Systems Engineering | Life Cycle Assessment | Renewable Energy System
H-Index Metrics
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H-Index46
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i10 Index156
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Citation Counts6,865
Rankings
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root | drought | rice | plant nutrition | abiotic stres
H-Index Metrics
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H-Index43
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i10 Index71
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Citation Counts5,885
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