Total 2,403,032 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
![José Carlos Tavares Carvalho](https://cdn.adscientificindex.com/pictures/89/1097756.jpg)
pharmacology natural products and pharmacognosy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
125
0.676
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Biota Amazônia](https://cdn.adscientificindex.com/pictures/cf/1080443.jpg)
Biologia
Ecologia
Zoologia
Botânica
Ensino de Ciências e Biologia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
61
0.445
* Total i10 IndexRankings
Ranking Based On Selection: 3
![Cleydson Breno Rodrigues Dos Santos](https://cdn.adscientificindex.com/pictures/86/1093903.jpg)
Medicinal Chemistry
Molecular Modeling
Drug Design
Virtual screening
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
59
0.868
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Alan Cavalcanti Da Cunha](https://cdn.adscientificindex.com/pictures/71/1104815.jpg)
Water Resources
Basic Sanitation
Water Quality Modelling
Biogeochemistry and Environmental Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
46
0.742
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Fernanda Michalski](https://cdn.adscientificindex.com/pictures/e5/1083638.jpg)
Conservation Biology
Landscape Ecology
Human-wildlife conflicts
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
40
0.741
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Darren Norris](https://cdn.adscientificindex.com/pictures/24/1083622.jpg)
Conservation Biology
Applied Ecology
Data analysis and management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
28
0.683
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Estação Científica Unifap](https://cdn.adscientificindex.com/pictures/8b/1091672.jpg)
Interdisciplinar
Educação
Farmácia
Letras
Ciência Política
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
26
0.650
* Total i10 IndexRankings
Ranking Based On Selection: 8
![José Julio De Toledo](https://cdn.adscientificindex.com/pictures/e6/1085443.jpg)
Ecologia
Conservação da Biodiversidade
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
27
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Renato Hilário](/user/assets/images/profile/no-profile-photo.png)
Primate ecology
Primate conservation
Mammal conservation
Landscape ecology
Amazonian Savannas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
26
0.743
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Alexandro Cezar Florentino](https://cdn.adscientificindex.com/pictures/d7/1085514.jpg)
Ecology of fishes
toxicology environmental
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Helenilza Ferreira Albuquerque Cunha](https://cdn.adscientificindex.com/pictures/14/1091119.jpg)
Impactos Ambientais
Educação Ambiental
Saneamento
Sustentabilidade.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Hage Melim Lis](https://cdn.adscientificindex.com/pictures/ec/1100432.jpg)
Química Medicinal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Carlos Eduardo Costa Campos](https://cdn.adscientificindex.com/pictures/9e/1090293.jpg)
Zoologia
Herpetologia
Biologia da Conservacao
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Rafael Martinez](/user/assets/images/profile/no-profile-photo.png)
Condensed matter physics
Atomic and Molecurar Physics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Areolino Pena Matos](https://cdn.adscientificindex.com/pictures/21/4480214.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Wegliane Campelo Da Silva Aparício](https://cdn.adscientificindex.com/pictures/84/1103595.jpg)
Taxonomia
Botânica
Ecologia
Silvicultura
Manejo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Alex Bruno Lobato Rodrigues](https://cdn.adscientificindex.com/pictures/05/4770090.jpg)
Química
Educação
Ensino de Ciências
Produtos Naturais
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Alaan Ubaiara Brito](https://cdn.adscientificindex.com/pictures/f5/4770119.jpg)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
* Total i10 IndexRankings
Ranking Based On Selection: 19
![José Leonardo Lima Magalhães](https://cdn.adscientificindex.com/pictures/47/4770057.jpg)
ecology
amazon
floodplain
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Rafael Cleison Silva Dos Santos](https://cdn.adscientificindex.com/pictures/39/4699614.jpg)
obstetrícia
boas práticas no parto
saúde da mulher
neonatologia
pediatria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
* Total i10 IndexRankings
Ranking Based On Selection: 21
![Emerson Augusto Castilho-Martins](/user/assets/images/profile/no-profile-photo.png)
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Cláudio Márcio Campos De Mendonça|Claudio Marcio Mendonça](https://cdn.adscientificindex.com/pictures/64/4770054.jpg)
Governança Corporativa
Governança de TI
Computação em Nuvem
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Ana Rita Barcessat](https://cdn.adscientificindex.com/pictures/10/4770058.jpg)
Fototerapia
neurofisiologia
neuromodulação radioelétrica
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Wollner Materko](https://cdn.adscientificindex.com/pictures/db/4770091.jpg)
Envelhecimento Humano
Inteligência Artificial
Fisiologia Humana
Bioestatística
Exercício Físico.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
3
0.375
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Prfa Dra. Mayara Pinheiro](https://cdn.adscientificindex.com/pictures/03/4770055.jpg)
produtos naturais
imunologia
inseticida
antioxidante
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
José Carlos Tavares Carvalho
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
185
125
0.676
pharmacology natural products and pharmacognosy
Biota Amazônia
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
137
61
0.445
Biologia
Ecologia
Zoologia
Botânica
Ensino de Ciências e Biologia
Cleydson Breno Rodrigues Dos Santos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
68
59
0.868
Medicinal Chemistry
Molecular Modeling
Drug Design
Virtual screening
Alan Cavalcanti Da Cunha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
46
0.742
Water Resources
Basic Sanitation
Water Quality Modelling
Biogeochemistry and Environmental Sciences
Fernanda Michalski
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
40
0.741
Conservation Biology
Landscape Ecology
Human-wildlife conflicts
Darren Norris
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
41
28
0.683
Conservation Biology
Applied Ecology
Data analysis and management
Estação Científica Unifap
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
26
0.650
Interdisciplinar
Educação
Farmácia
Letras
Ciência Política
José Julio De Toledo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
27
0.750
Ecologia
Conservação da Biodiversidade
Renato Hilário
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
26
0.743
Primate ecology
Primate conservation
Mammal conservation
Landscape ecology
Amazonian Savannas
Alexandro Cezar Florentino
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
21
0.724
Ecology of fishes
toxicology environmental
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Helenilza Ferreira Albuquerque Cunha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
20
0.714
Impactos Ambientais
Educação Ambiental
Saneamento
Sustentabilidade.
Hage Melim Lis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
Carlos Eduardo Costa Campos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
11
0.550
Zoologia
Herpetologia
Biologia da Conservacao
Rafael Martinez
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
Condensed matter physics
Atomic and Molecurar Physics
Areolino Pena Matos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
Wegliane Campelo Da Silva Aparício
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
Taxonomia
Botânica
Ecologia
Silvicultura
Manejo
Alex Bruno Lobato Rodrigues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
13
1.000
Química
Educação
Ensino de Ciências
Produtos Naturais
Alaan Ubaiara Brito
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
7
0.583
José Leonardo Lima Magalhães
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Rafael Cleison Silva Dos Santos
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
9
0.818
obstetrícia
boas práticas no parto
saúde da mulher
neonatologia
pediatria
Emerson Augusto Castilho-Martins
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
Cláudio Márcio Campos De Mendonça|Claudio Marcio Mendonça
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
6
0.600
Ana Rita Barcessat
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
6
0.750
Wollner Materko
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
3
0.375
Envelhecimento Humano
Inteligência Artificial
Fisiologia Humana
Bioestatística
Exercício Físico.
Prfa Dra. Mayara Pinheiro
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571