World

H-Index
Rankings

Sri Lanka Scientists H-Index Natural Sciences / Biological Science Rankings in Sri Lanka 2025

AD Scientific Index evaluates the academic productivity and efficiency of scientists and institutions based on the H-index, i10 index, and citation counts. In addition to total H-index rankings, you can also explore rankings and analyses by "Scientists Last 6 Years H-index" and by subject.

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Total 133 scientist
* Total H Index Rankings
World Rank
17,349
Country Rank
4
Institution Rank :1
Ranking Based On Selection :1
Sri Lanka
Meththika Vithanage
Meththika Vithanage
University of Sri Jayewardenepura
Nugegoda , Sri Lanka
Natural Sciences / Biological Science
Microplastics
Biochar
Emerging Contaminants
Remediation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
83
79
0.952
See All Rankings and Analysis
* Total H Index Rankings
World Rank
132,366
Country Rank
35
Institution Rank :8
Ranking Based On Selection :2
Sri Lanka
Daya Ratnasooriya
Daya Ratnasooriya
University of Colombo
Colombo , Sri Lanka
Natural Sciences / Biological Science
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
See All Rankings and Analysis
* Total H Index Rankings
World Rank
197,088
Country Rank
63
Institution Rank :12
Ranking Based On Selection :3
Sri Lanka
SHP Parakrama Karunaratne
SHP Parakrama Karunaratne
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Medical and Molecular Entomology
Mosquitoes
Insecticide Resistance
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
34
20
0.588
See All Rankings and Analysis
* Total H Index Rankings
World Rank
223,675
Country Rank
75
Institution Rank :8
Ranking Based On Selection :4
Sri Lanka
Wolfgang Dittus
Wolfgang Dittus
National Institute of Fundamental Studies Sri Lanka
Nagoya , Sri Lanka
Natural Sciences / Biological Science
Behavioral Ecology
Sociobiology
Evolution
Conservation Biology
Animal Behavior
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
See All Rankings and Analysis
* Total H Index Rankings
World Rank
298,674
Country Rank
110
Institution Rank :4
Ranking Based On Selection :5
Sri Lanka
Lp Jayatissa
Lp Jayatissa
University of Ruhuna
Matara and Galle , Sri Lanka
Natural Sciences / Biological Science
Plant Ecology
Plant physiology
Environmental Science
Ecotoxicology
Plant Science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
See All Rankings and Analysis
* Total H Index Rankings
World Rank
312,601
Country Rank
119
Institution Rank :22
Ranking Based On Selection :6
Sri Lanka
Cws Dickens
Cws Dickens
International Water Management Institute (IWMI)
Colombo , Sri Lanka
Natural Sciences / Biological Science
River health
agroecology
aquatic ecosystems
e-flows
sustainable development
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
See All Rankings and Analysis
* Total H Index Rankings
World Rank
317,561
Country Rank
128
Institution Rank :29
Ranking Based On Selection :7
Sri Lanka
Kamani Tennekoon
Kamani Tennekoon
University of Colombo
Colombo , Sri Lanka
Natural Sciences / Biological Science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
18
0.692
See All Rankings and Analysis
* Total H Index Rankings
World Rank
326,483
Country Rank
136
Institution Rank :11
Ranking Based On Selection :8
Sri Lanka
Dhanushka Udayanga
Dhanushka Udayanga
University of Sri Jayewardenepura
Nugegoda , Sri Lanka
Natural Sciences / Biological Science
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
24
0.960
See All Rankings and Analysis
* Total H Index Rankings
World Rank
348,731
Country Rank
150
Institution Rank :15
Ranking Based On Selection :9
Sri Lanka
Dinushani Anupama Daranagama
Dinushani Anupama Daranagama
University of Kelaniya
Kelaniya , Sri Lanka
Natural Sciences / Biological Science
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolites
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
See All Rankings and Analysis
* Total H Index Rankings
World Rank
383,894
Country Rank
173
Institution Rank :41
Ranking Based On Selection :10
Sri Lanka
Rupika Subashini Rajakaruna Amarakoon
Rupika Subashini Rajakaruna Amarakoon
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Infectious Diseases
Vector-Borne Disease Epidemiology
Wildlife Conservation and Disease Ecology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
17
0.739
See All Rankings and Analysis
* Total H Index Rankings
World Rank
388,402
Country Rank
181
Institution Rank :19
Ranking Based On Selection :11
Sri Lanka
Asoka Pathiratne
Asoka Pathiratne
University of Kelaniya
Kelaniya , Sri Lanka
Natural Sciences / Biological Science
Environmental Toxicology
Environmental risk assessment
Fish health
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
15
0.652
See All Rankings and Analysis
* Total H Index Rankings
World Rank
389,511
Country Rank
182
Institution Rank :14
Ranking Based On Selection :12
Sri Lanka
Siril Wijesundara
Siril Wijesundara
National Institute of Fundamental Studies Sri Lanka
Nagoya , Sri Lanka
Natural Sciences / Biological Science
Botany
Taxonomy
Conservation Biology
Natural Products
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
See All Rankings and Analysis
* Total H Index Rankings
World Rank
406,456
Country Rank
195
Institution Rank :17
Ranking Based On Selection :13
Sri Lanka
Priyan Perera
Priyan Perera
University of Sri Jayewardenepura
Nugegoda , Sri Lanka
Natural Sciences / Biological Science
Recreation ecology
Ecotourism
Sustainability
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
18
0.818
See All Rankings and Analysis
* Total H Index Rankings
World Rank
410,223
Country Rank
196
Institution Rank :36
Ranking Based On Selection :14
Sri Lanka
Erandathie Lokupitiya
Erandathie Lokupitiya
University of Colombo
Colombo , Sri Lanka
Natural Sciences / Biological Science
Environmental Science
climate change
carbon cycle research
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
See All Rankings and Analysis
* Total H Index Rankings
World Rank
429,361
Country Rank
210
Institution Rank :46
Ranking Based On Selection :15
Sri Lanka
IAU Nimal Gunatilleke
IAU Nimal Gunatilleke
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Conservation biology
Tropical Ecology
Plant Reproductive Biology
Soil Biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
See All Rankings and Analysis
* Total H Index Rankings
World Rank
455,173
Country Rank
232
Institution Rank :7
Ranking Based On Selection :16
Sri Lanka
P Mangala CS De Silva
P Mangala CS De Silva
University of Ruhuna
Matara and Galle , Sri Lanka
Natural Sciences / Biological Science
Environmental Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
See All Rankings and Analysis
* Total H Index Rankings
World Rank
472,173
Country Rank
247
Institution Rank :17
Ranking Based On Selection :17
Sri Lanka
Suresh P Benjamin
Suresh P Benjamin
National Institute of Fundamental Studies Sri Lanka
Nagoya , Sri Lanka
Natural Sciences / Biological Science
Evolution
Behavior
Biodiversity
Arthropods
Spiders
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
See All Rankings and Analysis
* Total H Index Rankings
World Rank
509,668
Country Rank
283
Institution Rank :31
Ranking Based On Selection :18
Sri Lanka
Krishanthi Abeywickrama
Krishanthi Abeywickrama
University of Kelaniya
Kelaniya , Sri Lanka
Natural Sciences / Biological Science
Postharvest Technology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
See All Rankings and Analysis
* Total H Index Rankings
World Rank
526,184
Country Rank
300
Institution Rank :26
Ranking Based On Selection :19
Sri Lanka
Dinithi Peiris
Dinithi Peiris
University of Sri Jayewardenepura
Nugegoda , Sri Lanka
Natural Sciences / Biological Science
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
See All Rankings and Analysis
* Total H Index Rankings
World Rank
527,968
Country Rank
301
Institution Rank :11
Ranking Based On Selection :20
Sri Lanka
K Masakorala
K Masakorala
University of Ruhuna
Matara and Galle , Sri Lanka
Natural Sciences / Biological Science
Environmental toxicology
Phytoremediation
Environmental Biotechnology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
See All Rankings and Analysis
* Total H Index Rankings
World Rank
537,804
Country Rank
308
Institution Rank :69
Ranking Based On Selection :21
Sri Lanka
Kmg Gehan Jayasuriya
Kmg Gehan Jayasuriya
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Seed ecology
Seed biology
Botany
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
See All Rankings and Analysis
* Total H Index Rankings
World Rank
571,058
Country Rank
337
Institution Rank :34
Ranking Based On Selection :22
Sri Lanka
Marasinghe
Marasinghe
University of Kelaniya
Kelaniya , Sri Lanka
Natural Sciences / Biological Science
Wetland Ecology
Mangroves
Environmental Management
Phytoremediation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
See All Rankings and Analysis
* Total H Index Rankings
World Rank
578,042
Country Rank
346
Institution Rank :76
Ranking Based On Selection :23
Sri Lanka
Sumedha Madawala
Sumedha Madawala
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Restoration Ecology
Soil Nutrients
Invasive Plants
Ecophysiology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
See All Rankings and Analysis
* Total H Index Rankings
World Rank
582,675
Country Rank
354
Institution Rank :5
Ranking Based On Selection :24
Sri Lanka
Pavilupillai Justin Jude
Pavilupillai Justin Jude
Open University of Sri Lanka
Nawala , Sri Lanka
Natural Sciences / Biological Science
Medical Entomology
Vector biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
See All Rankings and Analysis
* Total H Index Rankings
World Rank
585,333
Country Rank
358
Institution Rank :79
Ranking Based On Selection :25
Sri Lanka
Wa Inoka P Karunaratne
Wa Inoka P Karunaratne
University of Peradeniya
Sri Lanka , Sri Lanka
Natural Sciences / Biological Science
Bee taxonomy and pollination
Forensic entomology
Insect Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
See All Rankings and Analysis
* Total H Index Rankings
Rankings
17,349
Sri Lanka
4
1
Ranking Based On Selection: 1
Meththika Vithanage
Meththika Vithanage
University of Sri Jayewardenepura Nugegoda, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
83
79
0.952
Natural Sciences / Biological Science
Microplastics
Biochar
Emerging Contaminants
Remediation
See All Rankings and Analysis
* Total H Index Rankings
Rankings
132,366
Sri Lanka
35
8
Ranking Based On Selection: 2
Daya Ratnasooriya
Daya Ratnasooriya
University of Colombo Colombo, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
41
24
0.585
Natural Sciences / Biological Science
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
197,088
Sri Lanka
63
12
Ranking Based On Selection: 3
SHP Parakrama Karunaratne
SHP Parakrama Karunaratne
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
34
20
0.588
Natural Sciences / Biological Science
Medical and Molecular Entomology
Mosquitoes
Insecticide Resistance
See All Rankings and Analysis
* Total H Index Rankings
Rankings
223,675
Sri Lanka
75
8
Ranking Based On Selection: 4
Wolfgang Dittus
Wolfgang Dittus
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
32
16
0.500
Natural Sciences / Biological Science
Behavioral Ecology
Sociobiology
Evolution
Conservation Biology
Animal Behavior
See All Rankings and Analysis
* Total H Index Rankings
Rankings
298,674
Sri Lanka
110
4
Ranking Based On Selection: 5
Lp Jayatissa
Lp Jayatissa
University of Ruhuna Matara and Galle, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
19
0.704
Natural Sciences / Biological Science
Plant Ecology
Plant physiology
Environmental Science
Ecotoxicology
Plant Science
See All Rankings and Analysis
* Total H Index Rankings
Rankings
312,601
Sri Lanka
119
22
Ranking Based On Selection: 6
Cws Dickens
Cws Dickens
International Water Management Institute (IWMI) Colombo, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
Natural Sciences / Biological Science
River health
agroecology
aquatic ecosystems
e-flows
sustainable development
See All Rankings and Analysis
* Total H Index Rankings
Rankings
317,561
Sri Lanka
128
29
Ranking Based On Selection: 7
Kamani Tennekoon
Kamani Tennekoon
University of Colombo Colombo, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
18
0.692
Natural Sciences / Biological Science
See All Rankings and Analysis
* Total H Index Rankings
Rankings
326,483
Sri Lanka
136
11
Ranking Based On Selection: 8
Dhanushka Udayanga
Dhanushka Udayanga
University of Sri Jayewardenepura Nugegoda, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
24
0.960
Natural Sciences / Biological Science
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
See All Rankings and Analysis
* Total H Index Rankings
Rankings
348,731
Sri Lanka
150
15
Ranking Based On Selection: 9
Dinushani Anupama Daranagama
Dinushani Anupama Daranagama
University of Kelaniya Kelaniya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
23
0.958
Natural Sciences / Biological Science
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolites
See All Rankings and Analysis
* Total H Index Rankings
Rankings
383,894
Sri Lanka
173
41
Ranking Based On Selection: 10
Rupika Subashini Rajakaruna Amarakoon
Rupika Subashini Rajakaruna Amarakoon
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
17
0.739
Natural Sciences / Biological Science
Infectious Diseases
Vector-Borne Disease Epidemiology
Wildlife Conservation and Disease Ecology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
388,402
Sri Lanka
181
19
Ranking Based On Selection: 11
Asoka Pathiratne
Asoka Pathiratne
University of Kelaniya Kelaniya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
15
0.652
Natural Sciences / Biological Science
Environmental Toxicology
Environmental risk assessment
Fish health
See All Rankings and Analysis
* Total H Index Rankings
Rankings
389,511
Sri Lanka
182
14
Ranking Based On Selection: 12
Siril Wijesundara
Siril Wijesundara
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
14
0.609
Natural Sciences / Biological Science
Botany
Taxonomy
Conservation Biology
Natural Products
See All Rankings and Analysis
* Total H Index Rankings
Rankings
406,456
Sri Lanka
195
17
Ranking Based On Selection: 13
Priyan Perera
Priyan Perera
University of Sri Jayewardenepura Nugegoda, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
18
0.818
Natural Sciences / Biological Science
Recreation ecology
Ecotourism
Sustainability
See All Rankings and Analysis
* Total H Index Rankings
Rankings
410,223
Sri Lanka
196
36
Ranking Based On Selection: 14
Erandathie Lokupitiya
Erandathie Lokupitiya
University of Colombo Colombo, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
Natural Sciences / Biological Science
Environmental Science
climate change
carbon cycle research
See All Rankings and Analysis
* Total H Index Rankings
Rankings
429,361
Sri Lanka
210
46
Ranking Based On Selection: 15
IAU Nimal Gunatilleke
IAU Nimal Gunatilleke
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
Natural Sciences / Biological Science
Conservation biology
Tropical Ecology
Plant Reproductive Biology
Soil Biology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
455,173
Sri Lanka
232
7
Ranking Based On Selection: 16
P Mangala CS De Silva
P Mangala CS De Silva
University of Ruhuna Matara and Galle, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
20
19
0.950
Natural Sciences / Biological Science
Environmental Toxicology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
472,173
Sri Lanka
247
17
Ranking Based On Selection: 17
Suresh P Benjamin
Suresh P Benjamin
National Institute of Fundamental Studies Sri Lanka Nagoya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
Natural Sciences / Biological Science
Evolution
Behavior
Biodiversity
Arthropods
Spiders
See All Rankings and Analysis
* Total H Index Rankings
Rankings
509,668
Sri Lanka
283
31
Ranking Based On Selection: 18
Krishanthi Abeywickrama
Krishanthi Abeywickrama
University of Kelaniya Kelaniya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
12
0.632
Natural Sciences / Biological Science
Postharvest Technology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
526,184
Sri Lanka
300
26
Ranking Based On Selection: 19
Dinithi Peiris
Dinithi Peiris
University of Sri Jayewardenepura Nugegoda, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Natural Sciences / Biological Science
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways
See All Rankings and Analysis
* Total H Index Rankings
Rankings
527,968
Sri Lanka
301
11
Ranking Based On Selection: 20
K Masakorala
K Masakorala
University of Ruhuna Matara and Galle, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
16
0.889
Natural Sciences / Biological Science
Environmental toxicology
Phytoremediation
Environmental Biotechnology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
537,804
Sri Lanka
308
69
Ranking Based On Selection: 21
Kmg Gehan Jayasuriya
Kmg Gehan Jayasuriya
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
14
0.778
Natural Sciences / Biological Science
Seed ecology
Seed biology
Botany
See All Rankings and Analysis
* Total H Index Rankings
Rankings
571,058
Sri Lanka
337
34
Ranking Based On Selection: 22
Marasinghe
Marasinghe
University of Kelaniya Kelaniya, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Natural Sciences / Biological Science
Wetland Ecology
Mangroves
Environmental Management
Phytoremediation
See All Rankings and Analysis
* Total H Index Rankings
Rankings
578,042
Sri Lanka
346
76
Ranking Based On Selection: 23
Sumedha Madawala
Sumedha Madawala
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
13
0.765
Natural Sciences / Biological Science
Restoration Ecology
Soil Nutrients
Invasive Plants
Ecophysiology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
582,675
Sri Lanka
354
5
Ranking Based On Selection: 24
Pavilupillai Justin Jude
Pavilupillai Justin Jude
Open University of Sri Lanka Nawala, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
12
0.706
Natural Sciences / Biological Science
Medical Entomology
Vector biology
See All Rankings and Analysis
* Total H Index Rankings
Rankings
585,333
Sri Lanka
358
79
Ranking Based On Selection: 25
Wa Inoka P Karunaratne
Wa Inoka P Karunaratne
University of Peradeniya Sri Lanka, Sri Lanka Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
Natural Sciences / Biological Science
Bee taxonomy and pollination
Forensic entomology
Insect Toxicology
See All Rankings and Analysis