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 04, 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 (1.131.752) 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
Nursing Education | Teaching and Learning | Public Health | Mental Healt
H-Index Metrics
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H-Index28
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i10 Index53
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Citation Counts2,797
Rankings
development communication | communication campaigns | monitoring and evaluation | pest management | ecosystem service
H-Index Metrics
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H-Index28
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i10 Index41
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Citation Counts2,430
Rankings
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Rankings
soil-landscape processes | soil formation | soil degradation | soil management | geo-ecolog
H-Index Metrics
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H-Index19
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i10 Index32
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Citation Counts2,636
Rankings
Rankings
Development Economics | Environmental Economics | Sustainable Developmen
H-Index Metrics
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H-Index14
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i10 Index17
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Citation Counts542
Rankings
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Watershed management | Environmental Services | Biodiversity | Climate Chang
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts408
Rankings
gerontology | research | nursing education | social sciences and nursing managemen
H-Index Metrics
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H-Index10
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i10 Index13
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Citation Counts330
Rankings
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Rankings
soil science | soil chemistry | plant nutrition | clay mineralogy | integrated nutrient managemen
H-Index Metrics
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H-Index9
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i10 Index6
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Citation Counts192
Rankings
Mathematics Education | Teacher Education | Social Science Researc
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts461
Rankings
Physical Education | Education | Sports Science and Communication Studie
H-Index Metrics
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H-Index8
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i10 Index7
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Citation Counts179
Rankings
Rankings
Mathematics Education | Educational Management | Statistics | Technology and Education | Humanities and Social Scienc
H-Index Metrics
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H-Index8
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i10 Index5
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Citation Counts153
Rankings
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Rankings
Soil ecology | Soil Fertility | Soil nutrition | Soil pedolog
H-Index Metrics
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H-Index8
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i10 Index6
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Citation Counts768
Rankings
Rankings
Rankings
Rankings
Mineral nutrition | Nutrient management | Soil quality and health assessment | natural fiber crop | natural farmin
H-Index Metrics
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H-Index7
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i10 Index6
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Citation Counts322
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