H-Index
Rankings
Sri Lanka 132 Scientists H-Index Natural Sciences / Biological Science Rankings - 2025
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* Total H Index Rankings
Ranking Based
On Selection: 1
Microplastics
Biochar
Emerging Contaminants
Remediation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
87
80
0.920
* Total H Index Rankings
Ranking Based
On Selection: 2
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
23
0.548
* Total H Index Rankings
Ranking Based
On Selection: 3
Medical and Molecular Entomology
Mosquitoes
Insecticide Resistance
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
34
19
0.559
* Total H Index Rankings
Ranking Based
On Selection: 4
Behavioral Ecology
Sociobiology
Evolution
Conservation Biology
Animal Behavior
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
32
14
0.438
* Total H Index Rankings
Ranking Based
On Selection: 5
Plant Ecology
Plant physiology
Environmental Science
Ecotoxicology
Plant Science
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
* Total H Index Rankings
Ranking Based
On Selection: 6
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
* Total H Index Rankings
Ranking Based
On Selection: 7
River health
agroecology
aquatic ecosystems
e-flows
sustainable development
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
* Total H Index Rankings
Ranking Based
On Selection: 8
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolites
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
* Total H Index Rankings
Ranking Based
On Selection: 9
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
18
0.720
* Total H Index Rankings
Ranking Based
On Selection: 10
Environmental Toxicology
Environmental risk assessment
Fish health
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
* Total H Index Rankings
Ranking Based
On Selection: 11
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
* Total H Index Rankings
Ranking Based
On Selection: 12
Botany
Taxonomy
Conservation Biology
Natural Products
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
13
0.565
* Total H Index Rankings
Ranking Based
On Selection: 13
Conservation biology
Tropical Ecology
Plant Reproductive Biology
Soil Biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
* Total H Index Rankings
Ranking Based
On Selection: 14
Recreation ecology
Ecotourism
Sustainability
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
* Total H Index Rankings
Ranking Based
On Selection: 15
Environmental Science
climate change
carbon cycle research
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
* Total H Index Rankings
Ranking Based
On Selection: 16
Environmental Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
* Total H Index Rankings
Ranking Based
On Selection: 17
Evolution
Behavior
Biodiversity
Arthropods
Spiders
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
13
0.619
* Total H Index Rankings
Ranking Based
On Selection: 18
Environmental toxicology
Phytoremediation
Environmental Biotechnology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
* Total H Index Rankings
Ranking Based
On Selection: 19
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
* Total H Index Rankings
Ranking Based
On Selection: 20
Postharvest Technology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
* Total H Index Rankings
Ranking Based
On Selection: 21
Seed ecology
Seed biology
Botany
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
* Total H Index Rankings
Ranking Based
On Selection: 22
Restoration Ecology
Soil Nutrients
Invasive Plants
Ecophysiology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
12
0.667
* Total H Index Rankings
Ranking Based
On Selection: 23
Wetland Ecology
Mangroves
Environmental Management
Phytoremediation
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
* Total H Index Rankings
Ranking Based
On Selection: 24
Bee taxonomy and pollination
Forensic entomology
Insect Toxicology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
* Total H Index Rankings
Ranking Based
On Selection: 25
Medical Entomology
Vector biology
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
Meththika Vithanage
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
87
80
0.920
Microplastics
Biochar
Emerging Contaminants
Remediation
Daya Ratnasooriya
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
42
23
0.548
Mammalian Biology
Physiology
Bio activity of natural products
Toxicology
SHP Parakrama Karunaratne
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
34
19
0.559
Medical and Molecular Entomology
Mosquitoes
Insecticide Resistance
Wolfgang Dittus
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
32
14
0.438
Behavioral Ecology
Sociobiology
Evolution
Conservation Biology
Animal Behavior
Lp Jayatissa
University of Ruhuna
Matara and Galle, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
27
18
0.667
Plant Ecology
Plant physiology
Environmental Science
Ecotoxicology
Plant Science
Dhanushka Udayanga
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
25
0.962
Biotechnology
Mycology
Bioremediation
Plant disease diagnostics
Molecular systematics
Cws Dickens
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
26
21
0.808
River health
agroecology
aquatic ecosystems
e-flows
sustainable development
Dinushani Anupama Daranagama
University of Kelaniya
Kelaniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
22
0.880
Mycology
Molecular systematics
Microbial genetics
Fungal secondary metabolites
Kamani Tennekoon
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
25
18
0.720
Asoka Pathiratne
University of Kelaniya
Kelaniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
24
13
0.542
Environmental Toxicology
Environmental risk assessment
Fish health
Rupika Subashini Rajakaruna Amarakoon
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
17
0.739
Infectious Diseases
Vector-Borne Disease Epidemiology
Wildlife Conservation and Disease Ecology
Siril Wijesundara
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
23
13
0.565
Botany
Taxonomy
Conservation Biology
Natural Products
IAU Nimal Gunatilleke
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
19
0.864
Conservation biology
Tropical Ecology
Plant Reproductive Biology
Soil Biology
Priyan Perera
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
Recreation ecology
Ecotourism
Sustainability
Erandathie Lokupitiya
University of Colombo
Colombo, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
22
17
0.773
Environmental Science
climate change
carbon cycle research
P Mangala CS De Silva
University of Ruhuna
Matara and Galle, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
19
0.905
Suresh P Benjamin
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
21
13
0.619
Evolution
Behavior
Biodiversity
Arthropods
Spiders
K Masakorala
University of Ruhuna
Matara and Galle, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
16
0.842
Environmental toxicology
Phytoremediation
Environmental Biotechnology
Dinithi Peiris
University of Sri Jayewardenepura
Nugegoda, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
15
0.789
Pharmacognosy
Cancer biology
Infertility
Toxicology
Molecular pathways
Krishanthi Abeywickrama
University of Kelaniya
Kelaniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
19
11
0.579
Kmg Gehan Jayasuriya
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
13
0.722
Seed ecology
Seed biology
Botany
Sumedha Madawala
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
18
12
0.667
Restoration Ecology
Soil Nutrients
Invasive Plants
Ecophysiology
Marasinghe
University of Kelaniya
Kelaniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
14
0.824
Wetland Ecology
Mangroves
Environmental Management
Phytoremediation
Wa Inoka P Karunaratne
University of Peradeniya
Peradeniya, Sri Lanka
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
Bee taxonomy and pollination
Forensic entomology
Insect Toxicology
Pavilupillai Justin Jude
H-Index Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
Medical Entomology
Vector biology