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
1,122,753
Country Rank
12,494
Institution Rank : 11
![](https://cdn.adscientificindex.com/logos/8570.jpg)
![Nigeria](/flags/ng.png)
![Zakariya, Ali Muhammad|Ali Muhammad Zakariya, Ali M. Zakariya](/pictures/6b/4714451.jpg)
Ethnobotany
Phytochemistry
Plant Biotechnology
Metabolomics
Chemometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
* Total i10 Index Rankings
World Rank
2,184,487
Country Rank
46,819
Institution Rank : 68
![](https://cdn.adscientificindex.com/logos/8570.jpg)
![Nigeria](/flags/ng.png)
![Shamsu Ibrahim Ishaq](/user/assets/images/profile/no-profile-photo.png)
Ecology and environmental biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 Index Rankings
World Ranking
1,122,753
Country Ranking
12,494
Institution Ranking
11
Zakariya, Ali Muhammad|Ali Muhammad Zakariya, Ali M. Zakariya
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
5
0.833
![](https://cdn.adscientificindex.com/logos/8570.jpg)
Ethnobotany
Phytochemistry
Plant Biotechnology
Metabolomics
Chemometrics
* Total i10 Index Rankings
World Ranking
2,184,487
Country Ranking
46,819
Institution Ranking
68
Shamsu Ibrahim Ishaq
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
![](https://cdn.adscientificindex.com/logos/8570.jpg)
Ecology and environmental biology