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".
* Total i10 IndexRankings
Ranking Based On Selection :1
parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
109
0.630
* Total i10 IndexRankings
Ranking Based On Selection :2
Reptile Biology
crocodilian ecology & evolution
reptile behavior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
32
0.525
* Total i10 IndexRankings
Ranking Based On Selection :3
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
* Total i10 IndexRankings
Ranking Based On Selection :4
Conservation Biology
Landscape Ecology
Fish Ecology
Stream Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
27
0.675
* Total i10 IndexRankings
Ranking Based On Selection :5
Avian Malaria
Evolutionary Ecology
Ornithology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
* Total i10 IndexRankings
Ranking Based On Selection :6
ecology
population genetics
wildlife conservation
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
* Total i10 IndexRankings
Ranking Based On Selection :7
Nest Predation
Avian Behavior
Game Bird Ecology
Predator - Prey Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
22
0.786
* Total i10 IndexRankings
Ranking Based On Selection :8
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
* Total i10 IndexRankings
Ranking Based On Selection :9
Systems Biology
Development
Genetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
* Total i10 IndexRankings
Ranking Based On Selection :10
Wildlife Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :11
ecology
bison
ungulates
conservation
conservation paleoecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Vasyl Tkach
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
173
109
0.630
Jeffrey W Lang
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
32
0.525
Reptile Biology
crocodilian ecology & evolution
reptile behavior
Frank Cuozzo
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
27
0.529
İsaac Schlosser
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
27
0.675
Conservation Biology
Landscape Ecology
Fish Ecology
Stream Ecology
Jeffrey Bell
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
26
0.839
Avian Malaria
Evolutionary Ecology
Ornithology
Robert Newman
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
ecology
population genetics
wildlife conservation
climate change
Susan Ellis Felege
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
22
0.786
Nest Predation
Avian Behavior
Game Bird Ecology
Predator - Prey Ecology
Rebecca Barr Simmons|Rebecca Simmons
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
Manu
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
14
0.875
Systems Biology
Development
Genetics
Tanner J Stechmann
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Gaimi Davies
University of North Dakota
Grand Forks, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
ecology
bison
ungulates
conservation
conservation paleoecology