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
biodiversity
ecology
mussel
climate change
ecosystem function
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
* Total i10 IndexRankings
Ranking Based On Selection :2
Ecosystem Ecology
stream watershed ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection :3
ecology
native fish
conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
Daniel Spooner
Lock Haven University of Pennsylvania
Lock Haven, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
25
0.893
biodiversity
ecology
mussel
climate change
ecosystem function
Heather Bechtold
Lock Haven University of Pennsylvania
Lock Haven, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Ecosystem Ecology
stream watershed ecology
Steven M Seiler
Lock Haven University of Pennsylvania
Lock Haven, United States
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
ecology
native fish
conservation