Total 2,424,675 scientists, country 221, and institutions 24,468 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
![Robert J Talmadge](/user/assets/images/profile/no-profile-photo.png)
Muscle Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
25
0.417
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Andrea Bonisoli Alquati](https://cdn.adscientificindex.com/pictures/4f/856591.jpg)
Ecotoxicology
Chernobyl
Fukushima
Radioecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Andrew D Steele](https://cdn.adscientificindex.com/pictures/d6/828790.jpg)
Neuroscience
neural circuits of behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
26
0.765
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Jeremy T Claisse](https://cdn.adscientificindex.com/pictures/ac/856588.jpg)
Quantitative Ecology
Marine Restoration Ecology
Fish Life History
Marine Protected Areas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Elizabeth Scordato](https://cdn.adscientificindex.com/pictures/81/856592.jpg)
Evolutionary biology
sexual selection
speciation
genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Janel L Ortiz](https://cdn.adscientificindex.com/pictures/61/5694151.jpg)
wildlife monitoring
landscape ecology
biology education
conservation education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Brian Myers](https://cdn.adscientificindex.com/pictures/f0/5423101.jpg)
Evolution
Ecology
Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Robert J Talmadge
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
60
25
0.417
Andrea Bonisoli Alquati
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
32
0.727
Ecotoxicology
Chernobyl
Fukushima
Radioecology
Andrew D Steele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
26
0.765
Neuroscience
neural circuits of behavior
Jeremy T Claisse
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
27
0.818
Quantitative Ecology
Marine Restoration Ecology
Fish Life History
Marine Protected Areas
Elizabeth Scordato
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
Evolutionary biology
sexual selection
speciation
genomics
Janel L Ortiz
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
wildlife monitoring
landscape ecology
biology education
conservation education
Brian Myers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000