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
Climate Change
Environment
Food Systems
Health
Water-Energy-Food Nexus
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
136
0.965
* Total i10 IndexRankings
Ranking Based On Selection :2
Natural Resource Management
Peri-urban agriculture
Agriculture Water Management
Sanitation
Soil fertility
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
42
0.545
* Total i10 IndexRankings
Ranking Based On Selection :3
Agricultural system
ecosystem services
agricultural water management
sustainability
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
51
0.785
* Total i10 IndexRankings
Ranking Based On Selection :4
Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
44
0.710
* Total i10 IndexRankings
Ranking Based On Selection :5
Agriculture
Economics
Trade
Policy
Poverty
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
26
0.565
* Total i10 IndexRankings
Ranking Based On Selection :6
Agricultural water management
irrigation
hydrology
biogeochemical cycles
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
42
0.955
* Total i10 IndexRankings
Ranking Based On Selection :7
Plant stress physiology
Evolutionary Biology
Conservation Biology
Plant derived Natural Products
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
35
0.875
* Total i10 IndexRankings
Ranking Based On Selection :8
Environmental science
waste management
climate change
Green infrastructure
disaster management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
21
0.656
* Total i10 IndexRankings
Ranking Based On Selection :9
general relativity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
18
0.563
* Total i10 IndexRankings
Ranking Based On Selection :10
Energy and Waste Management
Biochemical Transformation Kinetics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
* Total i10 IndexRankings
Ranking Based On Selection :11
Agriculture
Ecology
Disaster
Earth Observation
Data Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total i10 IndexRankings
Ranking Based On Selection :12
Eco-physiology
Plantation Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
* Total i10 IndexRankings
Ranking Based On Selection :13
Bifurcation
Mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
* Total i10 IndexRankings
Ranking Based On Selection :14
Water management
Groundwater
Irrigation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection :15
Groundwater resources
Climate change
Water Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
9
0.500
* Total i10 IndexRankings
Ranking Based On Selection :16
Agricultural marketing
vaue chain analysis
fisheries marketing and trade
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
* Total i10 IndexRankings
Ranking Based On Selection :17
Climate Smart Agriculture
Crop Physiology
Phenotyping
Plantation Management
Commodity marketing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection :18
Postharvest Technology
Plant Pathology
Food Technology
Probiotics
Food Safety
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
* Total i10 IndexRankings
Ranking Based On Selection :19
NextGen Networks
Agriculture 4.0
Smart Grid Integration
Transport 4.0
Virtual Elephant Barrier
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
* Total i10 IndexRankings
Ranking Based On Selection :20
Agricultural Robotics
Internet of Things
Artificial Intelligence
Smart MultiRobot system
IoT and AI for Disaster Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
6
0.500
* Total i10 IndexRankings
Ranking Based On Selection :21
plant protection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
* Total i10 IndexRankings
Ranking Based On Selection :22
Biotechnology
Tissue Culture
Floriculture
Quality Assurance in Higher Education
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
* Total i10 IndexRankings
Ranking Based On Selection :23
Agriculture
Soil Science
Water Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection :24
Nematology
Entomology
Organic Farming
Tea
Indigenous knowledge
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection :25
Agricultural Extension
Business Communication
Agri Tourisum
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Tafadzwanashe Mabhaudhi
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
141
136
0.965
Climate Change
Environment
Food Systems
Health
Water-Energy-Food Nexus
Olufunke Cofie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
77
42
0.545
Natural Resource Management
Peri-urban agriculture
Agriculture Water Management
Sanitation
Soil fertility
Amare Haileslassie
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
65
51
0.785
Agricultural system
ecosystem services
agricultural water management
sustainability
Gamini Seneviratne
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
62
44
0.710
Jeevika Weerahewa
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
46
26
0.565
Agriculture
Economics
Trade
Policy
Poverty
Petra Schmitter
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
44
42
0.955
Agricultural water management
irrigation
hydrology
biogeochemical cycles
Disna Ratnasekera
University of Ruhuna
Matara and Galle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
40
35
0.875
Plant stress physiology
Evolutionary Biology
Conservation Biology
Plant derived Natural Products
Jayasinghe Guttila Yugantha
University of Ruhuna
Matara and Galle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
21
0.656
Environmental science
waste management
climate change
Green infrastructure
disaster management
Inoka Welagedara
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
18
0.563
Bfa Basnayake
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
17
0.586
Energy and Waste Management
Biochemical Transformation Kinetics
Surajit Ghosh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
Agriculture
Ecology
Disaster
Earth Observation
Data Science
KW Lasantha K Weerasinghe
University of Peradeniya
Sri Lanka, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Eco-physiology
Plantation Agriculture
Aw Wijeratne
Sabaragamuwa University
Sendai, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
14
0.737
Thushyanthy Mikunthan
University of Jaffna
Jaffna, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Water management
Groundwater
Irrigation
Christina Shanthi De Silva
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
9
0.500
Groundwater resources
Climate change
Water Management
Dam De Silva
Sabaragamuwa University
Sendai, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
15
11
0.733
Agricultural marketing
vaue chain analysis
fisheries marketing and trade
Bandara Gajanayake
Wayamba University of Sri Lanka
Kuliyapitiya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
Climate Smart Agriculture
Crop Physiology
Phenotyping
Plantation Management
Commodity marketing
Ilmi Hewajulige
Industrial Technology Institute
Colombo, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
7
0.500
Postharvest Technology
Plant Pathology
Food Technology
Probiotics
Food Safety
Udaya Dampage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
12
0.923
NextGen Networks
Agriculture 4.0
Smart Grid Integration
Transport 4.0
Virtual Elephant Barrier
Pradeep Kw Abeygunawardhana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
12
6
0.500
Agricultural Robotics
Internet of Things
Artificial Intelligence
Smart MultiRobot system
IoT and AI for Disaster Management
Mlm C Dissanayake Nee
Sabaragamuwa University
Sendai, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
10
0.909
Sriyani E Peiris
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
Biotechnology
Tissue Culture
Floriculture
Quality Assurance in Higher Education
Hmindika K Herath
Wayamba University of Sri Lanka
Kuliyapitiya, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Agriculture
Soil Science
Water Science
Keerthi Mohotti
Tea Research Institute of Sri Lanka
Talawakelle, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Nematology
Entomology
Organic Farming
Tea
Indigenous knowledge
SHP Malkanthi
Sabaragamuwa University
Sendai, Sri Lanka
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
8
8
1.000
Agricultural Extension
Business Communication
Agri Tourisum