Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Click for "last 6 years' i10 index". Also see: Universities Rankings 2024 (Sort by : Total i10 Index) and Universities Rankings 2024 (Sort by : Last 6 Years i10 Index)
![Peter Stief](https://cdn.adscientificindex.com/pictures/6d/1449046.jpg)
Aquatic Microbial Ecology
Biological Carbon Pump
Marine Snow
Diatoms
Deep Sea
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
44
0.746
![Karl M Attard](https://cdn.adscientificindex.com/pictures/54/1449011.jpg)
Aquatic ecology & biogeochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875
Peter Stief
University of Southern Denmark
Tianjin, Denmark
![Denmark](/flags/dk.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
59
44
0.746
Aquatic Microbial Ecology
Biological Carbon Pump
Marine Snow
Diatoms
Deep Sea
Karl M Attard
University of Southern Denmark
Tianjin, Denmark
![Denmark](/flags/dk.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
21
0.875