The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 197 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 Feb 01, 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 (870.053) 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].
* Total H IndexRankings
Ranking Based On Selection: 1
Fish Biology
Aquaculture
Fish Physiology
Fish Nutrition
Physiological Energetics
Metrics
H-Index
i10 Index
Citation Counts
90
210
24,864
* Total H IndexRankings
Ranking Based On Selection: 2
Fish ecology
fish bioenergetics
fish behaviour
life history
fisheries
Metrics
H-Index
i10 Index
Citation Counts
86
218
26,981
* Total H IndexRankings
Ranking Based On Selection: 3
fisheries
interactive governance
indigenous peoples
co-management
Metrics
H-Index
i10 Index
Citation Counts
68
166
19,592
* Total H IndexRankings
Ranking Based On Selection: 4
Aquaculture
Microbiome
Microalgae
Metrics
H-Index
i10 Index
Citation Counts
66
178
15,907
* Total H IndexRankings
Ranking Based On Selection: 5
Quantitative genetics
selective breeding
aquaculture species
Metrics
H-Index
i10 Index
Citation Counts
61
121
11,260
* Total H IndexRankings
Ranking Based On Selection: 6
Professor in fish biology (ecology and evolution)
Metrics
H-Index
i10 Index
Citation Counts
60
184
11,538
* Total H IndexRankings
Ranking Based On Selection: 7
Aquaculture
Animal Welfare
Metrics
H-Index
i10 Index
Citation Counts
59
144
9,779
* Total H IndexRankings
Ranking Based On Selection: 8
fish
physiology
digestion
appetite
endocrine control
Metrics
H-Index
i10 Index
Citation Counts
58
165
11,756
* Total H IndexRankings
Ranking Based On Selection: 9
Animal reproduction
toxicology
ecology
Metrics
H-Index
i10 Index
Citation Counts
56
210
10,667
* Total H IndexRankings
Ranking Based On Selection: 10
Metrics
H-Index
i10 Index
Citation Counts
55
91
17,940
* Total H IndexRankings
Ranking Based On Selection: 11
Soils
pollution
biochar
microplastics
Metrics
H-Index
i10 Index
Citation Counts
52
72
10,383
* Total H IndexRankings
Ranking Based On Selection: 12
fisheries
marine ecology
ocean acidification
aquaculture
zooplankton ecology
Metrics
H-Index
i10 Index
Citation Counts
52
151
8,849
* Total H IndexRankings
Ranking Based On Selection: 13
fisheries biology
fish reproduction
Metrics
H-Index
i10 Index
Citation Counts
52
123
11,110
* Total H IndexRankings
Ranking Based On Selection: 14
Breeding program
Genetic gain
Aquaculture production
Metrics
H-Index
i10 Index
Citation Counts
52
91
10,480
* Total H IndexRankings
Ranking Based On Selection: 15
Early Life History Studies
Aquaculture
Sclerochronology
Otolith microchemistry
Metrics
H-Index
i10 Index
Citation Counts
49
124
7,988
* Total H IndexRankings
Ranking Based On Selection: 16
Metrics
H-Index
i10 Index
Citation Counts
48
115
7,660
* Total H IndexRankings
Ranking Based On Selection: 17
fish physiology
fish behaviour
thermal biology
evolutionary physiology
fish ecophysiology
Metrics
H-Index
i10 Index
Citation Counts
47
79
7,114
* Total H IndexRankings
Ranking Based On Selection: 18
Fish ecology
Metrics
H-Index
i10 Index
Citation Counts
46
88
13,445
* Total H IndexRankings
Ranking Based On Selection: 19
forest economics
forest policy
forest sector modelling
bioeconomic modelling
climate mitigation
Metrics
H-Index
i10 Index
Citation Counts
46
119
6,658
* Total H IndexRankings
Ranking Based On Selection: 20
Aquaculture
Metrics
H-Index
i10 Index
Citation Counts
45
136
6,186
* Total H IndexRankings
Ranking Based On Selection: 21
Plant-insect interactions
Plant-microbe interactions
Bark beetles
Entomology
Forest Protection
Metrics
H-Index
i10 Index
Citation Counts
45
78
7,209
* Total H IndexRankings
Ranking Based On Selection: 22
Fish behaviour
Metrics
H-Index
i10 Index
Citation Counts
45
103
5,768
* Total H IndexRankings
Ranking Based On Selection: 23
Metrics
H-Index
i10 Index
Citation Counts
44
78
5,682
* Total H IndexRankings
Ranking Based On Selection: 24
Fish welfare
Metrics
H-Index
i10 Index
Citation Counts
43
105
5,623
* Total H IndexRankings
Ranking Based On Selection: 25
Photosynthesis
lichen physiology
UV-B
Metrics
H-Index
i10 Index
Citation Counts
43
97
6,266
Malcolm Jobling
University of Tromso
Tromsø, Norway
Metrics
H-Index
i10-Index
Citation Counts
90
210
24,864
Fish Biology
Aquaculture
Fish Physiology
Fish Nutrition
Physiological Energetics
Bror Jonsson
Norwegian Institute for Nature Research
Trondheim, Norway
Metrics
H-Index
i10-Index
Citation Counts
86
218
26,981
Fish ecology
fish bioenergetics
fish behaviour
life history
fisheries
Svein Jentoft
University of Tromso
Tromsø, Norway
Metrics
H-Index
i10-Index
Citation Counts
68
166
19,592
fisheries
interactive governance
indigenous peoples
co-management
Kiron Viswanath
Nord University
Bodø, Norway
Metrics
H-Index
i10-Index
Citation Counts
66
178
15,907
Quantitative genetics
selective breeding
aquaculture species
Leif Asbjørn Vøllestad
University of Oslo
Oslo, Norway
Metrics
H-Index
i10-Index
Citation Counts
60
184
11,538
Professor in fish biology (ecology and evolution)
Frode Oppedal
Metrics
H-Index
i10-Index
Citation Counts
59
144
9,779
Ivar Rønnestad
University of Bergen
Bergen, Norway
Metrics
H-Index
i10-Index
Citation Counts
58
165
11,756
fish
physiology
digestion
appetite
endocrine control
Erik Ropstad
Metrics
H-Index
i10-Index
Citation Counts
56
210
10,667
Animal reproduction
toxicology
ecology
Geir Ottersen
University of Oslo
Oslo, Norway
Metrics
H-Index
i10-Index
Citation Counts
55
91
17,940
Erik Joner
Metrics
H-Index
i10-Index
Citation Counts
52
72
10,383
Soils
pollution
biochar
microplastics
Howard I. Browman
Metrics
H-Index
i10-Index
Citation Counts
52
151
8,849
fisheries
marine ecology
ocean acidification
aquaculture
zooplankton ecology
Olav Sigurd Kjesbu
Metrics
H-Index
i10-Index
Citation Counts
52
123
11,110
fisheries biology
fish reproduction
Breeding program
Genetic gain
Aquaculture production
Audrey J Geffen
University of Bergen
Bergen, Norway
Metrics
H-Index
i10-Index
Citation Counts
49
124
7,988
Early Life History Studies
Aquaculture
Sclerochronology
Otolith microchemistry
Ørjan Karlsen
Metrics
H-Index
i10-Index
Citation Counts
48
115
7,660
Fredrik Jutfelt
Metrics
H-Index
i10-Index
Citation Counts
47
79
7,114
fish physiology
fish behaviour
thermal biology
evolutionary physiology
fish ecophysiology
Nina Jonsson
Norwegian Institute for Nature Research
Trondheim, Norway
Metrics
H-Index
i10-Index
Citation Counts
46
88
13,445
Birger Solberg
Metrics
H-Index
i10-Index
Citation Counts
46
119
6,658
forest economics
forest policy
forest sector modelling
bioeconomic modelling
climate mitigation
Per Gunnar Fjelldal
Metrics
H-Index
i10-Index
Citation Counts
45
136
6,186
Paal Krokene
Metrics
H-Index
i10-Index
Citation Counts
45
78
7,209
Plant-insect interactions
Plant-microbe interactions
Bark beetles
Entomology
Forest Protection
Anders Fernö
University of Bergen
Bergen, Norway
Metrics
H-Index
i10-Index
Citation Counts
45
103
5,768
Bishal K Sitaula
Metrics
H-Index
i10-Index
Citation Counts
44
78
5,682
Lars Helge Stien
Metrics
H-Index
i10-Index
Citation Counts
43
105
5,623
Knut Asbjorn Solhaug
Metrics
H-Index
i10-Index
Citation Counts
43
97
6,266
Photosynthesis
lichen physiology
UV-B