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University · Galle · Sri Lanka

University of Ruhuna

In research, University of Ruhuna stands highest in Physical Sciences (#6,620 of 12,888 worldwide), Health Sciences (#6,412 of 11,982 worldwide) and Social Sciences (#5,729 of 10,521 worldwide), 2022–2025.

ruh.ac.lkROR OpenAlex
World rank, 2022–2025
#8,188
of 28,054 · #11,332 all time
Rank in Sri Lanka
#12
of 37
Research works
3.2k
▲ 67% vs 2013–17
Citations
26k
8.2 per fractional work
Top-10% rate
11.8%
record average 16.5%
Open access
68%
world 28%

What is University of Ruhuna known for in research?

The fields where it stands highest, 2022–2025, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorksAll time
Physical SciencesDomain #6,620 of 12,888 13.1%291 #9087
Health SciencesDomain #6,412 of 11,982 8.9%188 #7993
Social SciencesDomain #5,729 of 10,521 15.9%190 #7945
Agricultural and Biological SciencesField #1,939 of 3,409 8.3%134 #2387
Social SciencesField #4,027 of 6,365 18.5%72 #5263
EngineeringField #4,895 of 6,636 12.6%85 #8492
Life SciencesDomain #5,777 of 7,800 8.7%193 #8367
Environmental ScienceField #2,706 of 3,551 11.4%104 #3825
MedicineField #8,021 of 10,443 7.0%149 #7683

Each strip is that field’s whole ranked pool, with the notch where University of Ruhuna sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Which of those standings moved

The same fields on both windows: where it stood over the whole record, and where it stands in 2022–2025. The distance is the story, and it is the one thing the two rank columns above cannot show.

  1. Physical Sciences#9,087 #6,620
  2. Health Sciences#7,993 #6,412
  3. Social Sciences#7,945 #5,729
  4. Agricultural and Biological Sciences#2,387 #1,939
  5. Social Sciences#5,263 #4,027
  6. Engineering#8,492 #4,895
  7. Life Sciences#8,367 #5,777
  8. Environmental Science#3,825 #2,706
  9. Medicine#7,683 #8,021
all time2022–2025, better2022–2025, worse

A dot further right is a better standing. Fields it was not ranked in over the whole record are left out.

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 3.27× its world share, 134 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.79× its world share, 36 worksBiochemistry, Geneti…Immunology and Microbiology: 0.99× its world share, 9 worksImmunology and Micro…Neuroscience: 0.33× its world share, 5 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.95× its world share, 9 worksPharmacology, Toxico…Chemical Engineering: 0.09× its world share, 0 worksChemical EngineeringChemistry: 0.83× its world share, 11 worksChemistryComputer Science: 0.59× its world share, 40 worksComputer ScienceEarth and Planetary Sciences: 1.22× its world share, 16 worksEarth and Planetary …Energy: 0.29× its world share, 2 worksEnergyEngineering: 0.66× its world share, 85 worksEngineeringEnvironmental Science: 2.43× its world share, 104 worksEnvironmental ScienceMaterials Science: 0.62× its world share, 18 worksMaterials ScienceMathematics: 0.63× its world share, 6 worksMathematicsPhysics and Astronomy: 0.37× its world share, 7 worksPhysics and AstronomyDentistry: 0.21× its world share, 1 worksDentistryHealth Professions: 1.20× its world share, 27 worksHealth ProfessionsMedicine: 0.90× its world share, 149 worksMedicineNursing: 2.35× its world share, 10 worksNursingVeterinary: 0.42× its world share, 0 worksVeterinaryArts and Humanities: 0.42× its world share, 10 worksArts and HumanitiesBusiness, Management and Accounting: 1.72× its world share, 48 worksBusiness, Management…Decision Sciences: 1.80× its world share, 15 worksDecision SciencesEconomics, Econometrics and Finance: 1.09× its world share, 20 worksEconomics, Econometr…Psychology: 0.94× its world share, 25 worksPsychologySocial Sciences: 0.66× its world share, 72 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Agricultural and Biological Sciences, 3.3×. Every wedge is a field page.

Who are the top researchers at University of Ruhuna?

Ranked on the composite score, Disna Ratnasekera, Isurani Ilayperuma and Guttila Yugantha Jayasinghe lead among researchers whose main affiliation is University of Ruhuna.

  1. 1 Disna Ratnasekera Sri Lanka · #471,770 worldwide 85 citations · 21 works
  2. 2 Isurani Ilayperuma Sri Lanka · #667,837 worldwide 43 citations · 17 works
  3. 3 Guttila Yugantha Jayasinghe Sri Lanka · #1,057,673 worldwide 60 citations · 26 works
  4. 4 N. S. B. M. Atapattu Sri Lanka · #1,458,342 worldwide 32 citations · 19 works
  5. 5 Sarath Lekamwasam Sri Lanka · #1,468,227 worldwide 3 citations · 23 works
  6. 6 Anoja Priyadarshani Attanayake Sri Lanka · #1,537,845 worldwide 10 citations · 16 works
  7. 7 A. L. Ranawake Sri Lanka · #1,589,537 worldwide 13 citations · 17 works
  8. 8 K. D. N. Weerasinghe Sri Lanka · #1,613,882 worldwide 5 citations · 18 works
All ranked researchers at University of Ruhuna

Which keywords describe research at University of Ruhuna?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Climate Change, Environmental Impact, Antioxidant, Sustainability, Ecosystem Services, Epidemiology, Medicinal Plants and Antioxidants.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change61▲ 2.6×64 topics
  2. Sustainability41▲ 1.96×41 topics
  3. Epidemiology41▲ 1.19×72 topics
  4. Environmental Impact39▲ 2.7×41 topics
  5. Machine Learning31◆ 1.09×49 topics
  6. Antioxidant26▲ 4.5×38 topics
  7. Deep Learning25▼ 0.84×38 topics
  8. Oxidative Stress23▲ 1.66×33 topics
  9. Inflammation23▲ 1.28×45 topics
  10. Remote Sensing21▲ 2.0×21 topics
  11. COVID-1920▲ 1.73×13 topics
  12. Cardiovascular Disease20▲ 2.1×27 topics
  13. Ecosystem Services20▲ 5.9×11 topics
  14. Public Health19▲ 1.52×29 topics
  15. Consumer Behavior18▲ 3.4×8 topics
  16. Antioxidants18▲ 4.5×11 topics
  17. Mental Health18▲ 1.39×24 topics
  18. Medicinal Plants17▲ 5.0×12 topics
  19. Food Security17▲ 3.6×15 topics
  20. Pandemic16▲ 1.75×11 topics
  21. Genetic Diversity16▲ 4.2×16 topics
  22. Biodiversity16▲ 2.4×20 topics
  23. Antioxidant Activity15▲ 2.7×22 topics
  24. Diabetes14▲ 3.4×13 topics
  25. Biodiversity Conservation13▲ 4.2×9 topics
  26. Global Warming13▲ 3.7×10 topics
  27. Flavonoids12▲ 5.3×9 topics
  28. Waste Management12▲ 3.4×7 topics
  29. Anti-inflammatory12▲ 4.9×20 topics
  30. Recycling12▲ 3.5×8 topics
  31. Sustainable Agriculture12▲ 4.3×9 topics
  32. Antimicrobial12▲ 4.8×8 topics
  33. Land Use Change12▲ 4.3×6 topics
  34. Insulin Resistance11▲ 2.9×7 topics
  35. Toxicity11▲ 3.0×17 topics
  36. Cancer Prevention11▲ 4.8×9 topics
  37. Essential Oils9▲ 9.1×3 topics
  38. Decentralization9▲ 4.8×2 topics
  39. India8▲ 12×4 topics
  40. Eutrophication8▲ 8.4×4 topics

Which research topics does University of Ruhuna publish most on?

By volume in 2022–2025: Technology Adoption and User Behaviour, COVID-19 Pandemic Impacts, Blockchain Technology Applications and Security and Consumer Retail Behavior Studies.

Technology Adoption and …7Technology Adoption and User Behaviour: 7 fractional worksCOVID-19 Pandemic Impacts7COVID-19 Pandemic Impacts: 7 fractional worksBlockchain Technology Applications and Security: 6 fractional worksConsumer Retail Behavior…6Consumer Retail Behavior Studies: 6 fractional worksNatural Antidiabetic Age…5Natural Antidiabetic Agents Studies: 5 fractional worksAgricultural Economics and Practices: 5 fractional worksPhytochemicals and Antioxidant Activities: 5 fractional worksCOVID-19 epidemiological…5COVID-19 epidemiological studies: 5 fractional worksConsumer Behavior in Brand Consumption and Identification: 5 fractional worksFlood Risk Assessment and Management: 4 fractional works
Information Systems and ManagementEconomics and EconometricsInformation SystemsMarketing5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Technology Adoption and User Behaviour Information Systems and Management 7 works
  2. 2 COVID-19 Pandemic Impacts Economics and Econometrics 7 works
  3. 3 Blockchain Technology Applications and Security Information Systems 6 works
  4. 4 Consumer Retail Behavior Studies Marketing 6 works
  5. 5 Natural Antidiabetic Agents Studies Endocrinology, Diabetes and Metabolism 5 works
  6. 6 Agricultural Economics and Practices General Agricultural and Biological Sciences 5 works
  7. 7 Phytochemicals and Antioxidant Activities Biochemistry 5 works
  8. 8 COVID-19 epidemiological studies Modeling and Simulation 5 works
  9. 9 Consumer Behavior in Brand Consumption and Identification Marketing 5 works
  10. 10 Flood Risk Assessment and Management Global and Planetary Change 4 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available67.7%not open32.3%

World: 28% of research is openly available.

with international co-authors23.3%domestic only76.7%

World: 19% is written across borders.

How has University of Ruhuna's research output changed?

Output in 2018–2022 was 67% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.