Total 2,403,032 scientists, country 221, and institutions 24,466 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Mark Costello](https://cdn.adscientificindex.com/pictures/b1/1851090.jpg)
Biodiversity
Marine Reserves MPA
Sea lice
Biogeography
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
148
0.658
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Kiron Viswanath](https://cdn.adscientificindex.com/pictures/ea/1794885.jpg)
Aquaculture
Microbiome
Microalgae
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
178
131
0.736
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Samuel Asumadu Sarkodie](https://cdn.adscientificindex.com/pictures/99/1857808.jpg)
Environment
Climate Change
Sustainability
Circular Economy
Environmental Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
148
145
0.980
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Pål A Olsvik](https://cdn.adscientificindex.com/pictures/0d/1852297.jpg)
Biology
Ecotoxicology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
94
0.718
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Jorge Fernandes|Jorge M. O. Fernandes](https://cdn.adscientificindex.com/pictures/d1/1793958.jpg)
Epigenetics
Aquaculture
Innate Immunity
Muscle Development and Growth
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
99
0.792
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Mojtaba Vaismoradi](https://cdn.adscientificindex.com/pictures/43/1809775.jpg)
Patient safety
Medicines management
Nursing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
118
113
0.958
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Steinar Daae Johansen](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
32
0.320
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Erlend B. Nilsen](https://cdn.adscientificindex.com/pictures/49/4442633.jpg)
Conservation biology
Population ecology
Demography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
76
0.776
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Tore Kristian Aune](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
39
0.429
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Bendik Fyhn Terjesen](https://cdn.adscientificindex.com/pictures/13/4993865.jpg)
Fish physiology
recirculating aquaculture systems
nitrogen metabolism
amino acid nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
47
0.746
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Ottar Bjerkeset](https://cdn.adscientificindex.com/pictures/a8/1852187.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Joost Raeymaekers](https://cdn.adscientificindex.com/pictures/6d/1830471.jpg)
Conservation biology
evolutionary ecology
landscape genomics
population genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
44
0.710
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Galice Hoarau](https://cdn.adscientificindex.com/pictures/ff/1804655.jpg)
Molecular Ecology
Evolution
Genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
49
0.803
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Ravindra Kumar](https://cdn.adscientificindex.com/pictures/c6/4993864.jpg)
Bio-Energy
Biodiesel
Biomass to fuels and chemicals/biomaterials in Biorefinery concept
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
42
0.700
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Phebe Asantewaa Owusu](/user/assets/images/profile/no-profile-photo.png)
Sustainable Environment
Environmental and Resources Economics
Renewable Energy Studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
56
0.966
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Henning Reiss](https://cdn.adscientificindex.com/pictures/6d/1808370.jpg)
Benthos Ecology
Food webs
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
44
0.759
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Einar Rasmussen](https://cdn.adscientificindex.com/pictures/97/4304772.jpg)
Entrepreneurship education
Academic entrepreneurship
Commercialization
start-up
university industry collaboration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
43
0.741
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Mette Sørensen](https://cdn.adscientificindex.com/pictures/ff/1808775.jpg)
Aquaculture
Atlantic salmon
feed manufacturing technology
extrusion of fish feed
pellet quality
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
51
0.911
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Lisbeth Uhrenfeldt](https://cdn.adscientificindex.com/pictures/3e/1796256.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
46
0.852
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Monica Fengsrud Brinchmann](https://cdn.adscientificindex.com/pictures/da/1809821.jpg)
Immunology
Physiology
Microorganisms
Autophagy
Proteomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
37
0.725
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Truls Moum](/user/assets/images/profile/no-profile-photo.png)
molecular ecology
genomics
conservation biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Tommy Høyvarde Clausen](/user/assets/images/profile/no-profile-photo.png)
Innovation
policy
entrepreneurship
strategy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
34
0.708
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Anders Örtenblad](https://cdn.adscientificindex.com/pictures/20/1767393.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
31
0.646
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Gry Agnete Alsos](https://cdn.adscientificindex.com/pictures/6c/1807586.jpg)
entrepreneurship
gender
entrepreneurial behavior
rural entrepreneurship
portfolio entrepreneurs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
38
0.809
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Lars Kolvereid](https://cdn.adscientificindex.com/pictures/a9/1795422.jpg)
Entrepreneurial intentions
nascent entrepreneurs
new business performance
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
Mark Costello
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
225
148
0.658
Biodiversity
Marine Reserves MPA
Sea lice
Biogeography
Ecology
Kiron Viswanath
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
178
131
0.736
Samuel Asumadu Sarkodie
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
148
145
0.980
Environment
Climate Change
Sustainability
Circular Economy
Environmental Economics
Pål A Olsvik
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
131
94
0.718
Jorge Fernandes|Jorge M. O. Fernandes
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
99
0.792
Epigenetics
Aquaculture
Innate Immunity
Muscle Development and Growth
Mojtaba Vaismoradi
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
118
113
0.958
Patient safety
Medicines management
Nursing
Steinar Daae Johansen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
100
32
0.320
Erlend B. Nilsen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
76
0.776
Conservation biology
Population ecology
Demography
Tore Kristian Aune
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
91
39
0.429
Bendik Fyhn Terjesen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
47
0.746
Fish physiology
recirculating aquaculture systems
nitrogen metabolism
amino acid nutrition
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Ottar Bjerkeset
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
54
0.871
Joost Raeymaekers
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
44
0.710
Conservation biology
evolutionary ecology
landscape genomics
population genetics
Galice Hoarau
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
49
0.803
Molecular Ecology
Evolution
Genomics
Ravindra Kumar
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
42
0.700
Bio-Energy
Biodiesel
Biomass to fuels and chemicals/biomaterials in Biorefinery concept
Phebe Asantewaa Owusu
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
56
0.966
Sustainable Environment
Environmental and Resources Economics
Renewable Energy Studies
Henning Reiss
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
44
0.759
Benthos Ecology
Food webs
Climate Change
Einar Rasmussen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
58
43
0.741
Entrepreneurship education
Academic entrepreneurship
Commercialization
start-up
university industry collaboration
Mette Sørensen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
56
51
0.911
Aquaculture
Atlantic salmon
feed manufacturing technology
extrusion of fish feed
pellet quality
Lisbeth Uhrenfeldt
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
46
0.852
Monica Fengsrud Brinchmann
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
37
0.725
Immunology
Physiology
Microorganisms
Autophagy
Proteomics
Truls Moum
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
24
0.480
molecular ecology
genomics
conservation biology
Tommy Høyvarde Clausen
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
34
0.708
Innovation
policy
entrepreneurship
strategy
Anders Örtenblad
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
48
31
0.646
Gry Agnete Alsos
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
47
38
0.809
entrepreneurship
gender
entrepreneurial behavior
rural entrepreneurship
portfolio entrepreneurs
Lars Kolvereid
Nord University
Bodø, Norway
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
32
0.696
Entrepreneurial intentions
nascent entrepreneurs
new business performance