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Researcher · University of Peradeniya · Sri Lanka

Ranjith Punyawardena

Ranjith Punyawardena publishes mostly in Ecology, Evolution, Behavior and Systematics, Soil Science and Plant Science, on topics such as Climate change impacts on agriculture, Agricultural risk and resilience and Rice Cultivation and Yield Improvement.

ORCID 0000-0003-1114-1020 OpenAlex
World rank
#3,949,842
of 7,710,434 ranked researchers
Rank in Sri Lanka
#1,266
of 3,827
Works
23
Citations
344
Citations per work
15.0
h-index
10
i10-index 10Top 50% in Ecology, Evolution, Behavior and Systematics
Ranjith Punyawardena

What does Ranjith Punyawardena research?

Ranjith Punyawardena's work is mostly in Agricultural and Biological Sciences (73%), Environmental Science (14%).

Life Sciences: 17 works · 73.1% of their workAgricultural and Biological Sciences: 17 works · 73.1% of their workEcology, Evolution, Behavior and Systematics: 6 works · 25.0% of their workSoil Science: 5 works · 23.1% of their workPlant Science: 5 works · 21.2% of their workAgronomy and Crop Science: 1 works · 3.8% of their workPhysical Sciences: 3 works · 13.5% of their workEnvironmental Science: 3 works · 13.5% of their workGlobal and Planetary Change: 2 works · 7.7% of their workWater Science and Technology: 1 works · 5.8% of their workEverything else: 3 works · 13.4% of their workTHEIR WORKRanjithPunyawardena23works
Life Sciences73%Physical Sciences14%

Their six largest subfields, inside their fields and domains; the grey slice is everything else they publish. The interactive view splits every one of their works down to single topics.

The fields and subfields, with their numbers
    1. Agricultural and Biological Sciences1773.1%
    1. Environmental Science313.5%
  3. Everything else313.4%
  1. 1Ecology, Evolution, Behavior and Systematics25% of their works
  2. 2Soil Science23% of their works
  3. 3Plant Science21% of their works
  4. 4Global and Planetary Change8% of their works
  5. 5Water Science and Technology6% of their works
  6. 6Agronomy and Crop Science4% of their works

Research topics

Which keywords describe Ranjith Punyawardena's research?

The keywords of their largest research topics: Food Security, Agriculture, Vulnerability, Water Management, Climate Change, Sustainability, Global Warming and Adaptation.

Size is their works in the topics tagged with each word, from their 8 largest topics. Each links to the topic it comes from most.

All 23 words, with their numbers
  1. Food Security263 topics
  2. Agriculture222 topics
  3. Vulnerability222 topics
  4. Water Management192 topics
  5. Climate Change173 topics
  6. Sustainability172 topics
  7. Global Warming152 topics
  8. Adaptation131 topic
  9. Crop Production131 topic
  10. Insurance91 topic
  11. Risk Management91 topic
  12. Drought Resistance61 topic
  13. Rice61 topic
  14. Community Gardens41 topic
  15. Urban Agriculture41 topic
  16. Deficit Irrigation31 topic
  17. Water Use Efficiency31 topic
  18. Agricultural Productivity21 topic
  19. Drought21 topic
  20. Environmental Impact21 topic
  21. Intercropping21 topic
  22. Monitoring21 topic
  23. Sustainable Diets21 topic

Where does Ranjith Punyawardena work?

Ranjith Punyawardena's main affiliation in the publication record is University of Peradeniya, Sri Lanka.

How many publications and citations does Ranjith Punyawardena have?

OpenAlex counts 23 works and 344 citations for Ranjith Punyawardena, an h-index of 10, ranking #3,949,842 of 7,710,434 researchers worldwide on the quality score.

Ranked on field-normalised excellence (50%), output (30%) and citations (20%). Counts come from OpenAlex author records, which occasionally merge different people who share a name or split one person into several.

Papers, co-authors, who cited this work and researchers on the nearest topics have tabs of their own, above. Is this your page? Claim it with your ORCID iD, or request a correction or removal.

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