Total 2,424,675 scientists, country 221, and institutions 24,468 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1
![Rajeev Raghavan](https://cdn.adscientificindex.com/pictures/5a/341506.jpg)
Fisheries
Fish Conservation
Molecular Ecology
Inland Fisheries
Western Ghats
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
85
0.675
* Total i10 IndexRankings
Ranking Based On Selection: 2
![Appukuttannair Biju Kumar|Bijukumar A, Kumar AB, Biju Kumar](https://cdn.adscientificindex.com/pictures/69/213125.jpg)
taxonomy
biodiversity
fisheries
ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
54
0.581
* Total i10 IndexRankings
Ranking Based On Selection: 3
![M Arunachalam](https://cdn.adscientificindex.com/pictures/a1/292570.jpg)
fish taxonomy and phylogenetics
habitats
river flows and river ecology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
27
0.403
* Total i10 IndexRankings
Ranking Based On Selection: 4
![Anvar Ali Ph](/user/assets/images/profile/no-profile-photo.png)
Fish Taxonomy
Fish Biology
Fish Ecology
Fish Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
21
0.467
* Total i10 IndexRankings
Ranking Based On Selection: 5
![Radhika Rajasree Sr](https://cdn.adscientificindex.com/pictures/52/341509.jpg)
Fish waste valorization
seaweed value added products
nanobiocomposites
biodegradable films
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
28
0.824
* Total i10 IndexRankings
Ranking Based On Selection: 6
![Rejish Kumar VJ](https://cdn.adscientificindex.com/pictures/c7/341511.jpg)
Aquatic Animal Health Management
Aquaculture Biotechnology
Aquaculture
Probiotic
nitrification
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
29
0.906
* Total i10 IndexRankings
Ranking Based On Selection: 7
![Shijo Joseph](https://cdn.adscientificindex.com/pictures/a0/341508.jpg)
Remote Sensing
GIS
Climate Change
Natural Resources Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
22
0.710
* Total i10 IndexRankings
Ranking Based On Selection: 8
![Alappat Ramachandran](https://cdn.adscientificindex.com/pictures/27/212988.jpg)
Fish Processing Technology
Seafood Quality Assurance
Coastal Zone Management
Fisheries Management
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
* Total i10 IndexRankings
Ranking Based On Selection: 9
![Devika Pillai](/user/assets/images/profile/no-profile-photo.png)
Aquatic animal health management
fish diseases
pathology
AMR
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
* Total i10 IndexRankings
Ranking Based On Selection: 10
![Suresh Kumar](https://cdn.adscientificindex.com/pictures/fc/341513.jpg)
Aquatic Ecology
Coral Reef Ecology
Bioactive compounds
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
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* Total i10 IndexRankings
Ranking Based On Selection: 11
![Achu Al|Ashokan Laila Achu, A L Achu](https://cdn.adscientificindex.com/pictures/84/4546456.jpg)
Geomatics Engineering
Natural Hazards
Machine-Learning
Water Resources
Conservation Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 12
![Ranjeet K](https://cdn.adscientificindex.com/pictures/98/2004397.jpg)
Wetland Ecology
Taxonomy
Aquatic Biodiversity
Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
* Total i10 IndexRankings
Ranking Based On Selection: 13
![Nevin Kg](https://cdn.adscientificindex.com/pictures/12/341507.jpg)
Biochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
* Total i10 IndexRankings
Ranking Based On Selection: 14
![Padmakumar K](https://cdn.adscientificindex.com/pictures/3c/432033.jpg)
Marine Biodiversity
Marine Natural Products
Marine Chemical Ecology
Octocorals
Opisthobranchs
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
* Total i10 IndexRankings
Ranking Based On Selection: 15
![Chiranjiv Pradhan](https://cdn.adscientificindex.com/pictures/51/4634380.jpg)
Fish Nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
* Total i10 IndexRankings
Ranking Based On Selection: 16
![Abish B](/user/assets/images/profile/no-profile-photo.png)
Atmospheric aerosols
Extreme Weather Events
Indian Ocean warming
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 17
![Anoop VK](https://cdn.adscientificindex.com/pictures/10/4807558.jpg)
Freshwater Fish
Taxonomy
Biogeography
Systematics
Conservation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 18
![Suriyakala Cd](https://cdn.adscientificindex.com/pictures/e5/4509581.jpg)
WIRELESS COMMUNICATION
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 19
![Jayalakshmi Kj](https://cdn.adscientificindex.com/pictures/14/4545775.jpg)
Fisheries
Ecology
Biology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
* Total i10 IndexRankings
Ranking Based On Selection: 20
![Phiros Shah](https://cdn.adscientificindex.com/pictures/ae/4807559.jpg)
Dynamical Oceanography
Fisheries Oceanohgraphy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 21
![K Manjusha](https://cdn.adscientificindex.com/pictures/f7/4807564.jpg)
Yeast diversity
Bioactive compounds
Microbiology
Enzymology
Fermentation
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
* Total i10 IndexRankings
Ranking Based On Selection: 22
![Alphi Korath](/user/assets/images/profile/no-profile-photo.png)
Marine biology
Fisheries
Statistics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 23
![Liju Thomas](https://cdn.adscientificindex.com/pictures/23/4807563.jpg)
Marine Biology
Polyplacophora
Taxonomy
Phylogenetics
SCUBA
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
* Total i10 IndexRankings
Ranking Based On Selection: 24
![Gijo Ittoop](https://cdn.adscientificindex.com/pictures/e3/4807560.jpg)
Fish pathology
Immunology
Aquaculture
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
* Total i10 IndexRankings
Ranking Based On Selection: 25
![Arya Sidharthan](https://cdn.adscientificindex.com/pictures/41/4807565.jpg)
Molecular Ecology
Biogeography
Conservation Genetics
eDNA
Aquatic Biodiversity
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Rajeev Raghavan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
85
0.675
Fisheries
Fish Conservation
Molecular Ecology
Inland Fisheries
Western Ghats
Appukuttannair Biju Kumar|Bijukumar A, Kumar AB, Biju Kumar
University of Kerala
Thiruvananthapuram, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
54
0.581
taxonomy
biodiversity
fisheries
ecology
M Arunachalam
Central University of Kerala
Kasaragod, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
67
27
0.403
fish taxonomy and phylogenetics
habitats
river flows and river ecology
Anvar Ali Ph
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
21
0.467
Fish Taxonomy
Fish Biology
Fish Ecology
Fish Conservation
Radhika Rajasree Sr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
34
28
0.824
Fish waste valorization
seaweed value added products
nanobiocomposites
biodegradable films
Rejish Kumar VJ
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
29
0.906
Aquatic Animal Health Management
Aquaculture Biotechnology
Aquaculture
Probiotic
nitrification
Shijo Joseph
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
22
0.710
Remote Sensing
GIS
Climate Change
Natural Resources Management
Alappat Ramachandran
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
15
0.484
Fish Processing Technology
Seafood Quality Assurance
Coastal Zone Management
Fisheries Management
Devika Pillai
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
25
16
0.640
Aquatic animal health management
fish diseases
pathology
AMR
Suresh Kumar
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
12
0.545
Aquatic Ecology
Coral Reef Ecology
Bioactive compounds
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Achu Al|Ashokan Laila Achu, A L Achu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
20
1.000
Geomatics Engineering
Natural Hazards
Machine-Learning
Water Resources
Conservation Biology
Ranjeet K
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Wetland Ecology
Taxonomy
Aquatic Biodiversity
Conservation
Nevin Kg
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
14
12
0.857
Padmakumar K
University of Kerala
Thiruvananthapuram, India
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
13
6
0.462
Marine Biodiversity
Marine Natural Products
Marine Chemical Ecology
Octocorals
Opisthobranchs
Chiranjiv Pradhan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
11
7
0.636
Abish B
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
8
0.800
Atmospheric aerosols
Extreme Weather Events
Indian Ocean warming
Anoop VK
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Freshwater Fish
Taxonomy
Biogeography
Systematics
Conservation
Suriyakala Cd
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
6
0.667
Jayalakshmi Kj
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
7
3
0.429
Phiros Shah
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
6
6
1.000
Dynamical Oceanography
Fisheries Oceanohgraphy
K Manjusha
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
2
0.400
Yeast diversity
Bioactive compounds
Microbiology
Enzymology
Fermentation
Alphi Korath
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Marine biology
Fisheries
Statistics
Liju Thomas
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
2
0.667
Marine Biology
Polyplacophora
Taxonomy
Phylogenetics
SCUBA
Gijo Ittoop
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
1
0.500
Fish pathology
Immunology
Aquaculture
Arya Sidharthan
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
1
1
1.000
Molecular Ecology
Biogeography
Conservation Genetics
eDNA
Aquatic Biodiversity