Track ongoing research productivity with the 2025 i10 Index Productivity Rankings.
By counting the number of publications with at least 10 citations, the i10 index highlights steady scholarly output and publishing consistency. These rankings offer insight into researchers’ contribution frequency, beyond cumulative impact. The system is regularly refreshed to reflect current performance trends, enabling up-to-date comparisons across fields, institutions, and regions. Premium access includes productivity heatmaps, time-based output trends, and in-depth author benchmarks.
* Total i10 IndexRankings
Ranking Based On Selection: 1

bioenergy
veterinary & agricultural microbiology
environmental microbiolog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
121
75
0.620
* Total i10 IndexRankings
Ranking Based On Selection: 2

Physical & Material Chemistr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
50
0.806
* Total i10 IndexRankings
Ranking Based On Selection: 3

Internal Medicine
Infectious Diseases
Public Health
Immunology
Quality Improvemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
45
0.900
* Total i10 IndexRankings
Ranking Based On Selection: 4

Accounting
Finance
Management
ICT
Multidisciplinar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
26
0.867
* Total i10 IndexRankings
Ranking Based On Selection: 5

Environmental Toxicology and Public Safet
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
8
0.296
* Total i10 IndexRankings
Ranking Based On Selection: 6

Education and social problem
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 7

HUMAN PHYSIOLOGY (GASTROINTESTINAL TRACT PHYSIOLOGY
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
7
0.280
* Total i10 IndexRankings
Ranking Based On Selection: 8

Drug Metabolism and Pharmacokinetic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
8
0.421
* Total i10 IndexRankings
Ranking Based On Selection: 9

Library and Information Science
Information and Communication Technology (ICTs) and History of Library Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
* Total i10 IndexRankings
Ranking Based On Selection: 10

Postcolonial literatures
Diasporic Literatures
Enviromental Humanities
Popular Culture
Comparative Media Studie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
* Total i10 IndexRankings
Ranking Based On Selection: 11

Population geograph
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 12

Epidemiology and disease control
Biostatistics
Data managemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 13

Epidemiology of antimicrobial resistant bacteria
Preservation of Pharmaceuticals
Biotechnolog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
* Total i10 IndexRankings
Ranking Based On Selection: 14

Med Microbiolog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
* Total i10 IndexRankings
Ranking Based On Selection: 15

Marriage & Family Counselling
Adolescent & Youth Counselling
School Based Counsellin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
7
0.412
* Total i10 IndexRankings
Ranking Based On Selection: 16

Fishing Gear Technology
Fisheries Biology
Aquatic Pollutio
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
7
0.438
* Total i10 IndexRankings
Ranking Based On Selection: 17

Banking and Finance
Accounting
Managment
Marketing
Office and Information Managemen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
10
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 18

Environmental/Analytical Chemistr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
10
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 19

Obsetrics and Gynaecolog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
7
0.467
* Total i10 IndexRankings
Ranking Based On Selection: 20

International Law
Human Rights
Law of International Institutions
Regional Economic Communitie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 21

Molecular Microbiology
Agricultural Microbiology
Environmental Microbiology
Microbial Phytopatholog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
* Total i10 IndexRankings
Ranking Based On Selection: 22

PHARMAC
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 23

Monetary Economics
Public finance
Public Sector Economics
Research Methodolog
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
* Total i10 IndexRankings
Ranking Based On Selection: 24

Petroleum
International
Environmental
Natural Resource Economic
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
* Total i10 IndexRankings
Ranking Based On Selection: 25

Toxicology
Environmental Biochemistry
Xenobiochemistry
Reactive Oxygen Species
Antioxidant
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Elijah I. Ohimain
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
121
75
0.620
bioenergy
veterinary & agricultural microbiology
environmental microbiolog
Ezekiel Dixon Dikio
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
50
0.806
Physical & Material Chemistr
Dimie Ogoina
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
45
0.900
Internal Medicine
Infectious Diseases
Public Health
Immunology
Quality Improvemen
Lyndon M. Etale
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
26
0.867
Accounting
Finance
Management
ICT
Multidisciplinar
Tariwari C. N Angaye
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
8
0.296
Igwesi Blessing|Igwesi Blessing Ngozi
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
10
0.400
Dr Wariebi Koikoibo
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
7
0.280
Benjamin Ebeshi
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
8
0.421
Drug Metabolism and Pharmacokinetic
Ishioma Angela Dime
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
17
0.944
Library and Information Science
Information and Communication Technology (ICTs) and History of Library Development
Ogaga Okuyade
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
11
0.611
Postcolonial literatures
Diasporic Literatures
Enviromental Humanities
Popular Culture
Comparative Media Studie
Smart Institutional Plan
Powerful Insights + Smart Membership = Institutional Success
Unlock 360° Real-Time Institutional Analysis to identify your institution’s strengths and areas for improvement.
Adedoyin Omidiji
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
17
1.000
Abisoye Sunday Oyeyemi
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Epidemiology and disease control
Biostatistics
Data managemen
Adebola Onanuga
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
Epidemiology of antimicrobial resistant bacteria
Preservation of Pharmaceuticals
Biotechnolog
Mirabeau Youtchou Tatfeng
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
Maliki Agnes Ebi
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
7
0.412
Marriage & Family Counselling
Adolescent & Youth Counselling
School Based Counsellin
Commander Tawari
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
7
0.438
Fishing Gear Technology
Fisheries Biology
Aquatic Pollutio
Andabai Priye Werigbelegha
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
10
0.667
Banking and Finance
Accounting
Managment
Marketing
Office and Information Managemen
Azibaola Kesiye Inengite
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
10
0.667
Environmental/Analytical Chemistr
Israel Jeremiah
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
7
0.467
Obsetrics and Gynaecolog
Solomon Ebobrah
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
6
0.400
International Law
Human Rights
Law of International Institutions
Regional Economic Communitie
Ebimieowei Etebu
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
5
0.333
Molecular Microbiology
Agricultural Microbiology
Environmental Microbiology
Microbial Phytopatholog
Gideon Alade
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
Thankgod Apere
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
9
0.692
Monetary Economics
Public finance
Public Sector Economics
Research Methodolog
Michael Baghebo
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Petroleum
International
Environmental
Natural Resource Economic
Tebekeme Okoko
Niger Delta University
Bayelsa, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
8
0.615
Toxicology
Environmental Biochemistry
Xenobiochemistry
Reactive Oxygen Species
Antioxidant