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 07, 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 (1.131.927) 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
Environmental behaviour and effects of organic contaminants | passive sampling technique
H-Index Metrics
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H-Index158
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i10 Index862
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Citation Counts99,490
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Discourse Studies | Identity Politics | Political Communication | Populism | Gender Studie
H-Index Metrics
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H-Index123
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i10 Index428
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Citation Counts110,333
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Coral Reefs | Fisheries | Resilience | Coral Reef Ecology | Social-Ecological System
H-Index Metrics
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H-Index106
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i10 Index244
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Citation Counts45,200
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Conservation science | Ecology | Tropical forest
H-Index Metrics
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H-Index96
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i10 Index256
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Citation Counts39,229
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Soil Science | Environmental Chemistry | Clay Minerals | Enhanced weatherin
H-Index Metrics
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H-Index88
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i10 Index219
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Citation Counts25,266
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management | organisation | identity | resistance | diversity and gende
H-Index Metrics
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H-Index83
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i10 Index202
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Citation Counts27,608
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soil | water | nutrients | phosphorus | catchment
H-Index Metrics
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H-Index77
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i10 Index190
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Citation Counts20,503
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