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. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
aquatic ecology
freshwater ecology
marine ecology
invasive species
biological invasions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
318
176
0.553
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
aquatic ecology
biogeochemistry
limnology
wetland ecology
freshwater ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
161
121
0.752
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
Aquatic ecology
Biogeochemistry
Limnology
Microbiology
Wetlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
aquatic ecology
estuarine & river ecology
environmental sciences
water & nature management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
21
0.226
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
Aquatic ecology
River ecology
Biological invasions
Freshwater molluscs
Freshwater fish
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Gerard Van Der Velde
Radboud University
Nijmegen, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
318
176
0.553
aquatic ecology
freshwater ecology
marine ecology
invasive species
biological invasions
Leon Pm Lamers
Radboud University
Nijmegen, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
161
121
0.752
aquatic ecology
biogeochemistry
limnology
wetland ecology
freshwater ecology
Annelies J Veraart
Radboud University
Nijmegen, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
Aquatic ecology
Biogeochemistry
Limnology
Microbiology
Wetlands
Piet H Nienhuis
Radboud University
Nijmegen, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
21
0.226
aquatic ecology
estuarine & river ecology
environmental sciences
water & nature management
Frank Collas
Radboud University
Nijmegen, Netherlands
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Aquatic ecology
River ecology
Biological invasions
Freshwater molluscs
Freshwater fish