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 6 years. As of Jun 19, 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 (1.121.299) 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



sustainable tourism | wildlife resource conservation | community-based tourism | nature tourism | wildlife based tourism experience
H-Index Metrics
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H-Index12
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i10 Index14
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Citation Counts843
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Sustainable Tourism | SDGs | Climate Change | Collaborative Resource Management Practicies | Touris
H-Index Metrics
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H-Index11
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i10 Index11
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Citation Counts403
Rankings



Domestic Tourism | Sustainable Tourism | Dark Tourism | Tourism economics | Tourism Ethic
H-Index Metrics
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H-Index10
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i10 Index10
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Citation Counts254
Rankings



Green Energy | Sustainable Energy | Tourism | Local Livelihoods | Disaster risk reductio
H-Index Metrics
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H-Index8
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i10 Index8
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Citation Counts553
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event tourism | culinary tourism | health and wellness tourism | dark tourism | cultural touris
H-Index Metrics
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H-Index4
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i10 Index3
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Citation Counts92
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Rankings



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Rankings



Marketing Strategy | Electronic Marketing | Mobile marketing | Tourism and hospitality marketing |
H-Index Metrics
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H-Index3
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i10 Index1
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Citation Counts25
Rankings



Tourism and communities | Quality of life | Sustainable touris
H-Index Metrics
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H-Index2
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i10 Index1
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Citation Counts21
Rankings



Sustainable tourism | corporate social responsibility | corporate entrepreneurship | cultural heritag
H-Index Metrics
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H-Index1
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i10 Index1
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Citation Counts11