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
![Andrzej Mamcarz](/user/assets/images/profile/no-profile-photo.png)
Fisheries
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
22
0.319
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Roman Kujawa](https://cdn.adscientificindex.com/pictures/cb/1856943.jpg)
ichtiologia
ornitologia
fotografia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
32
0.471
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Grażyna Furgała-Selezniow](/user/assets/images/profile/no-profile-photo.png)
geography
tourism
fisheries
fish biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
7
0.412
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Mariusz Szmyt](/user/assets/images/profile/no-profile-photo.png)
aquaculture
fisheries
fish reproduction
european grayling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Andrzej Mamcarz
University of Warmia and Mazury
Olsztyn, Poland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
69
22
0.319
Roman Kujawa
University of Warmia and Mazury
Olsztyn, Poland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
32
0.471
Grażyna Furgała-Selezniow
University of Warmia and Mazury
Olsztyn, Poland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
7
0.412
geography
tourism
fisheries
fish biology
Mariusz Szmyt
University of Warmia and Mazury
Olsztyn, Poland
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
aquaculture
fisheries
fish reproduction
european grayling