Productivity Rankings is an exclusive service provided by AD Scientific Index. This ranking system, derived from the i10 index, highlights the productivity of scientists in publishing impactful scientific articles. Productivity Rankings serves as a tool to identify highly productive scientists across specific areas, disciplines, universities, and countries, and supports the creation of effective incentives and academic policies. The global, regional, and institutional rankings of scientists in this table are calculated based on their total i10 index. Moreover, you can explore special rankings derived from Productivity Rankings, such as 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
Bioprocess engineering
Fermentation technology
Bio-energy
Microalgae biotechnology
Photobioreactors.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
69
0.711
* Total i10 IndexRankings
Ranking Based On Selection: 2
parasitology
epidemiology
zoology
public health
entomology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
24
0.490
* Total i10 IndexRankings
Ranking Based On Selection: 3
Manufacturing processes with special emphasis on primary and regenerative cutting mechanics
Empirical and Evolutionary modellin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
30
0.833
* Total i10 IndexRankings
Ranking Based On Selection: 4
Antimalarial
Antioxidant
Antidiabetics
Toxicology
Environmental Health
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
* Total i10 IndexRankings
Ranking Based On Selection: 5
Virology
Viral Vectors
Genome editing
Vaccines
Genomics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
18
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 6
Chemical Engineering
Petroleum Refining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
13
0.684
* Total i10 IndexRankings
Ranking Based On Selection: 7
Ecology
Pharmacognosy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
* Total i10 IndexRankings
Ranking Based On Selection: 8
Plant Taxonomy and Biosystematics
Ethnomedicine
Pharmacognosy and Environmental Medicines
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 9
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
* Total i10 IndexRankings
Ranking Based On Selection: 10
phytochemistry
Ethnomedicine
ethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 11
Plant Taxonomy
Phytochemistry
Ethnomedicine
Ethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 IndexRankings
Ranking Based On Selection: 12
product design development
sustainability
smart textiles
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 13
ecology
palaeoecology
palynology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 14
Ecology
Public Health Parasitology
Ecosystem Services
Environmental Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 15
Ecotoxicology
Ecophysiology
Bioremediation and Pollution Control
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 16
Ecotourism
GIS
Virtual Reality
Conservation
Cultural studies and development studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Total i10 IndexRankings
Ranking Based On Selection: 17
Ecotoxicology
Clinical Chemistry
Biomedical/Analytical Instrumentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 18
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 19
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 20
e-learning
Mobile Learning
Cryptography
Differential Equations
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 21
Plant Taxonomy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 22
Biology
Gender
Environmental and Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 23
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 24
Parasitic Nematodes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
* Total i10 IndexRankings
Ranking Based On Selection: 25
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
James Chukwuma Ogbonna
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
97
69
0.711
Bioprocess engineering
Fermentation technology
Bio-energy
Microalgae biotechnology
Photobioreactors.
Chiedu Felix Mafiana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
24
0.490
parasitology
epidemiology
zoology
public health
entomology
Chigbogu Godwin Ozoegwu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
30
0.833
Manufacturing processes with special emphasis on primary and regenerative cutting mechanics
Empirical and Evolutionary modellin
Habibu Tijjani
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
32
0.941
Antimalarial
Antioxidant
Antidiabetics
Toxicology
Environmental Health
Malachy Ifeanyi Okeke
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
18
0.692
Virology
Viral Vectors
Genome editing
Vaccines
Genomics
ADAMU IBRAHIM DABO
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
13
0.684
Chemical Engineering
Petroleum Refining
Alfreda Ogochukwu Nwadinigwe
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
11
0.786
Felix Ifeanyi Nwafor
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Plant Taxonomy and Biosystematics
Ethnomedicine
Pharmacognosy and Environmental Medicines
SANI AHMAD MUHAMMAD
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
8
0.727
Christopher Ugwoke
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
phytochemistry
Ethnomedicine
ethnobotany
Maria Obiageli Nwosu
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Plant Taxonomy
Phytochemistry
Ethnomedicine
Ethnobotany
amina ibrahim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
2
0.333
product design development
sustainability
smart textiles
Emmanuel Osayi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
ecology
palaeoecology
palynology
Chike Ebido.
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Ecology
Public Health Parasitology
Ecosystem Services
Environmental Management
Musa Saheed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Ecotoxicology
Ecophysiology
Bioremediation and Pollution Control
Odum Chigozie Jude
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Ecotourism
GIS
Virtual Reality
Conservation
Cultural studies and development studies
Fred Otuu Chibuisi
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
Ecotoxicology
Clinical Chemistry
Biomedical/Analytical Instrumentation
Abba Muhammad Bello
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
SANI SHEHU
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
YAHAYA GARBA SHAWAI
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
e-learning
Mobile Learning
Cryptography
Differential Equations
Ejiofor Nweze
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Nonye Odionye
University of Nigeria
Nsukka, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Biology
Gender
Environmental and Climate Change
SANI AHMAD AHMAD
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Zanna Muhammad
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000
AHMAD JIBRIL GARBA
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
0
0.000