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
![Volodimir Sarabeev](https://cdn.adscientificindex.com/pictures/02/5291270.jpg)
Fish parasites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
15
0.469
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Oleh Marenkov](https://cdn.adscientificindex.com/pictures/5d/1077099.jpg)
ichthyology
fish
biodiversity
histology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Олександр Володимирович Діденко](https://cdn.adscientificindex.com/pictures/42/6071592.jpg)
fisheries
ichthyology
fish fauna
fishery
aquactic ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Oleksii Khudyi|Олексій Худий](https://cdn.adscientificindex.com/pictures/3c/6016192.jpg)
Marine Sciences & Fisheries
Biotechnology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Наталія Янович | Nataliya Yanovych](/user/assets/images/profile/no-profile-photo.png)
biochemistry
fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Грудко Наталя Олександрівна](https://cdn.adscientificindex.com/pictures/e8/5706872.jpg)
аквакультура
fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
Volodimir Sarabeev
Zaporizhzhia National University
Zaporizhzhia, Ukraine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
15
0.469
Oleh Marenkov
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
8
0.533
ichthyology
fish
biodiversity
histology
Олександр Володимирович Діденко
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
fisheries
ichthyology
fish fauna
fishery
aquactic ecology
Oleksii Khudyi|Олексій Худий
Chernivtsi National University Y Fedkovych
Chernivtsi, Ukraine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
5
0.455
Marine Sciences & Fisheries
Biotechnology
Наталія Янович | Nataliya Yanovych
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
0
0.000
Грудко Наталя Олександрівна
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000