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)
* Total i10 Index Rankings
World Rank
334,209
Country Rank
91,250
Institution Rank : 64
![](https://cdn.adscientificindex.com/logos/6305.png)
![United States](/flags/us.png)
![Zeyuan Qiu](https://cdn.adscientificindex.com/pictures/74/832660.jpg)
Watershed management
natural resources and environmental economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
25
0.595
* Total i10 Index Rankings
World Ranking
334,209
Country Ranking
91,250
Institution Ranking
64
Zeyuan Qiu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
42
25
0.595
![](https://cdn.adscientificindex.com/logos/6305.png)
Watershed management
natural resources and environmental economics