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".
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :1
Reproduction
Physiology Livestock Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :2
Enhanced Oil Recovery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :3
Materials Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :4
Livestock Nutrition
Alternative Feeds
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :5
Geographic Information Systems
Remote Sensing
Marine Sciences
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :6
Environmental Engineering
Water Treatment
Wastewater Treatment
Adsorption
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :7
Cybercrime
Online Behaviours
Internet and Social Media Addiction / Problematic Use
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :8
Mechatronics
robotics
renewable energy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :9
Adolescent Parental Bereavement
Caribbean research methodologies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :10
performance indexes
environmental indexes
food security
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :11
Engineering Design
Product Development
Inclusive Design
Interaction Design
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :12
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :13
GHG Mitigation
Environmental Management
Clean Production
Enhanced Oil Recovery
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :14
School Organizational Health
School Effectiveness
Teacher Efficacy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :15
Animal Science and Agriculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :16
Animal Andrology
Animal Physiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :17
Urban Ecosystems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :18
fish ecology
marine habitat mapping
coastal ecosystems
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :19
Environmental Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :20
Teacher professionalism
research methods
assessment and evaluation
teaching methods
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :21
Research Methods
Criminology and Criminal Justice
Psychology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :22
quantum optics
quantum communications
quantum information
applied mathematics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :23
Parasitology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :24
Chemical & Process Engineering
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Last 6 Years i10 IndexRankings
Ranking Based On Selection :25
Desalination
CFD Modelling
Membranes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Marlon Knights
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
David Alexander
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
5
0.714
Daniel White
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Andell Edwards
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
4
0.667
Deanesh Ramsewak
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Beverly Chittoo
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Environmental Engineering
Water Treatment
Wastewater Treatment
Adsorption
Troy E Smith
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Cybercrime
Online Behaviours
Internet and Social Media Addiction / Problematic Use
Prakash Persad
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Margaret Nakhid-Chatoor
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
4
1.000
Adolescent Parental Bereavement
Caribbean research methodologies
Valerie Stoute
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
3
0.231
Umesh Persad
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
3
0.500
Engineering Design
Product Development
Inclusive Design
Interaction Design
Vitra Harry
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Donnie Boodlal
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
GHG Mitigation
Environmental Management
Clean Production
Enhanced Oil Recovery
Mala Ramdass
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
School Organizational Health
School Effectiveness
Teacher Efficacy
Narendra Siew
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Reeza Ramgattie
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
3
0.750
Samantha Chadee
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Kelly Kingon
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Aaron Balgobin
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Cheryl Bowrin
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Teacher professionalism
research methods
assessment and evaluation
teaching methods
Andy Short
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Colin Gopaul
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
quantum optics
quantum communications
quantum information
applied mathematics
Hasani Stewart
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Safiyyah Wahid
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Aatma Maharajh
University of Trinidad and Tobago
Arima, Trinidad, Trinidad and Tobago
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000