Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Christian Thierfelder](https://cdn.adscientificindex.com/pictures/84/4393032.jpg)
Conservation Agriculture
Sustainable Land Management
Soil and Water Conservation
Biology
Agronomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
111
109
0.982
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Dorian Prato-Garcia](/user/assets/images/profile/no-profile-photo.png)
Wastewater engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Oluwadara Alegbeleye](https://cdn.adscientificindex.com/pictures/6a/904187.jpg)
Microbiology
microbial ecology
soil and water microbiology
microbiological safety of fruits and vegetables
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Wilk Sampaio de Almeida](https://cdn.adscientificindex.com/pictures/14/4326663.jpg)
Soil and Water Management and Conservation
Soil erosion
Evapotranspiration
Crop coefficients
Irrigation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
Christian Thierfelder
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
111
109
0.982
Conservation Agriculture
Sustainable Land Management
Soil and Water Conservation
Biology
Agronomy
Dorian Prato-Garcia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
17
0.850
Oluwadara Alegbeleye
Universidade Estadual de Campinas UNICAMP
São Paulo, Brazil
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Microbiology
microbial ecology
soil and water microbiology
microbiological safety of fruits and vegetables
Wilk Sampaio de Almeida
Instituto Federal de Rondônia IFRO
Vilhena, Brazil
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
11
0.846
Soil and Water Management and Conservation
Soil erosion
Evapotranspiration
Crop coefficients
Irrigation