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. Additionally, click to view the special rankings based on Productivity Rankings: 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
Forest Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
28
0.700
* Total i10 IndexRankings
Ranking Based On Selection :2
Forest Socio-Economics
Ecosystem Services
Community Forestry
Urban Forestry
Climate Change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
25
0.694
* Total i10 IndexRankings
Ranking Based On Selection :3
Forest Ecology
Forest Measurements
Biodiversity Conservation
Forest & Wood Culture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
22
0.688
* Total i10 IndexRankings
Ranking Based On Selection :4
Etnobotany
Pharmacognosy
biodiversity conservation
Medicinal plant research
Phytomedicine
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
* Total i10 IndexRankings
Ranking Based On Selection :5
Non-conventional building materials
biofuels
renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
* Total i10 IndexRankings
Ranking Based On Selection :6
Forest Measurements
Forest Biometrics
GIS
Data Analytics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
15
0.556
* Total i10 IndexRankings
Ranking Based On Selection :7
Ecotourism
Agriculture and Forestry
Tourism
Biodiversity Management and Biometrics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
* Total i10 IndexRankings
Ranking Based On Selection :8
Forest Enterprises Development
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
8
0.348
* Total i10 IndexRankings
Ranking Based On Selection :9
Plant Taxonomy & Biosystematics
Evolutionary Biology
Plant Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total i10 IndexRankings
Ranking Based On Selection :10
Wood/Fibre Science and Utilisation
Renewable Energy Production and Natural Environmental Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
* Total i10 IndexRankings
Ranking Based On Selection :11
Environmental and Resource Economics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
* Total i10 IndexRankings
Ranking Based On Selection :12
Biochemical engineering
Drug metabolism & molecular toxicology
Enzyme production
Industrial
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :13
Forest Production and Products
Wood and Fibre Science: Wood quality Studies
Wood-based Biomass energy
Pulp and Paper
Wood qu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection :14
Forest Resources Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
* Total i10 IndexRankings
Ranking Based On Selection :15
Forest Modelling
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection :16
Silviculture
Sustainable Forest Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection :17
Wood Utilization and Protection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
* Total i10 IndexRankings
Ranking Based On Selection :18
Air pollution and Phytochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
* Total i10 IndexRankings
Ranking Based On Selection :19
Forest Biometrics & Measurements
Growth & Yields
Quantitative Silviculture
Forest Ground & Aerial Surveying/Photogrammetry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
* Total i10 IndexRankings
Ranking Based On Selection :20
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
Fisheries and Wildlife Management
Aquatic Ecotoxicology
Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
* Total i10 IndexRankings
Ranking Based On Selection :22
Forest economics
forest industry
forest management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
* Total i10 IndexRankings
Ranking Based On Selection :23
silviculture
agroforestry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 IndexRankings
Ranking Based On Selection :24
Forestry and Environmental Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
Wood Preservation
Biocomposite
Biomass Utilization
Forestry
Bamboo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Jonathan Onyekwelu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
28
0.700
Folaranmi D. Babalola
University of Ilorin
Ilorin, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
25
0.694
Forest Socio-Economics
Ecosystem Services
Community Forestry
Urban Forestry
Climate Change
Adekunle Victor Aj
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
22
0.688
Forest Ecology
Forest Measurements
Biodiversity Conservation
Forest & Wood Culture
lbraheem Oduola Lawal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
Etnobotany
Pharmacognosy
biodiversity conservation
Medicinal plant research
Phytomedicine
Abel Olorunnisola
University of Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
28
18
0.643
Non-conventional building materials
biofuels
renewable energy
Shadrach Olufemi Akindele
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
15
0.556
Forest Measurements
Forest Biometrics
GIS
Data Analytics
Kolawole Farinloye
Lead City University Ibadan
Ibadan, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
Ecotourism
Agriculture and Forestry
Tourism
Biodiversity Management and Biometrics
Adedapo Ayo Aiyeloja
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
8
0.348
Emmanuel Chukwuma C
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
Plant Taxonomy & Biosystematics
Evolutionary Biology
Plant Conservation
Andrew A. Erakhrumen
University of Benin
Benin City, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
6
0.353
Wood/Fibre Science and Utilisation
Renewable Energy Production and Natural Environmental Management
Ajiboye Babatunde .O
Landmark University
Omu-Aran, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
11
1.000
Environmental and Resource Economics
Adekunle Abiodun E
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Biochemical engineering
Drug metabolism & molecular toxicology
Enzyme production
Industrial
Olufemi A. Sotannde
University of Maiduguri
Maiduguri, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
Forest Production and Products
Wood and Fibre Science: Wood quality Studies
Wood-based Biomass energy
Pulp and Paper
Wood qu
Agbelade Aladesanmi Daniel
Ekiti State University Ado Ekiti
Ado-Ekiti, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
Ajayi Samuel
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Dickens Dolor|Dickens D, D. E. Dolor, Dickens Efemena Dolor
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Silviculture
Sustainable Forest Management
Owoyemi Jacob Mayowa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
4
0.444
Ogboru Rachel Ogheneovo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
5
0.625
Oyebade, Bukola Amoo
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
4
0.500
Forest Biometrics & Measurements
Growth & Yields
Quantitative Silviculture
Forest Ground & Aerial Surveying/Photogrammetry
Victoria O. Otie
University of Calabar
Calabar, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
7
1.000
Kehinde Adelakun
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Fisheries and Wildlife Management
Aquatic Ecotoxicology
Nutrition
Larinde Solomon
University of Port Harcourt
Port Harcourt, Nigeria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
4
0.571
Forest economics
forest industry
forest management
Kehinde Okunomo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
Emmanuel Nwankwo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Forestry and Environmental Management
Falemara Babajide Charles
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Wood Preservation
Biocomposite
Biomass Utilization
Forestry
Bamboo