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
Forest & Environment
Conservation Planning
Citizen Science
Sociology
Herpetology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
* Total i10 IndexRankings
Ranking Based On Selection :2
Ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
* Total i10 IndexRankings
Ranking Based On Selection :3
Forest Ecology
Climate change
adaptation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
* Total i10 IndexRankings
Ranking Based On Selection :4
Freshwater ecology
Environmental Education
Science Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection :5
Biotechnology
Microbiology
Bioremediation
Wild Edible Plants
Invasive Species
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
Taxonomy
Macroinvertebrates
Evolutionary Ecology
Freshwater ecology
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :7
Ecosystem Services
Sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Jigme Tshelthrim Wangyal|Jigme Wangyal, Jigme T. Wangyal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
Forest & Environment
Conservation Planning
Citizen Science
Sociology
Herpetology
Tshering Nidup
Royal University of Bhutan
Thimphu, Bhutan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
Norbu Wangdi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
5
1.000
Forest Ecology
Climate change
adaptation
Kinzang Dorji
Royal University of Bhutan
Thimphu, Bhutan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Freshwater ecology
Environmental Education
Science Education
Ram Bajgai
Royal University of Bhutan
Thimphu, Bhutan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Biotechnology
Microbiology
Bioremediation
Wild Edible Plants
Invasive Species
Mer Man Gurung
Royal University of Bhutan
Thimphu, Bhutan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Taxonomy
Macroinvertebrates
Evolutionary Ecology
Freshwater ecology
Climate Change
Phub Dem
Royal University of Bhutan
Thimphu, Bhutan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Ecosystem Services
Sustainability