Dr. K. Jeyavanan
Ph.D. in Agriculture (The University of Tokyo, Japan, 2022–2025),
M.Phil. in Environmental Forestry (University of Peradeniya, 2012-2017),
B.Sc. in Agriculture (University of Jaffna, 2006-2011)
Senior Lecturer (Grade II)
M.Phil. in Environmental Forestry (University of Peradeniya, 2012-2017),
B.Sc. in Agriculture (University of Jaffna, 2006-2011)
Senior Lecturer (Grade II)
- 0094776381736/ 0094212060175
- kjvanan@univ.jfn.ac.lk
- Website
Academic Profile
Admin Positions
Teaching
Research
Publications
Awards
CPD
Outreach Activities
Academic Profile
Education
- Ph.D. in Agriculture (The University of Tokyo, Japan, 2022–2025)
- M.Phil. in Environmental Forestry (University of Peradeniya, Sri Lanka, 2012–2017)
- B.Sc. in Agriculture (University of Jaffna, Sri Lanka, 2006–2011)
Academic positions held
- Senior Lecturer Grade II: 2017–present
- Lecturer (Confirmed): 2012–2017
- Assistant Lecturer: 2011–2012
Research Interests
Forest management, GIS, Geomatics, Remote Sensing,
Unmanned Aerial Vehicle Technology, Forest Structure, Forest Carbon Stock,
Biodiversity, Restoration, Agroforestry, Cropping Systems, Homegardens
Admin Positions
Faculty Level
- Head– Department of Biosystems Technology, Faculty of Technology, University of Jaffna, 2021– 2022
- Head (Acting) – Department of Biosystems Technology, Faculty of Technology, University of Jaffna, 2020–2021
- President– Welfare Society of the Faculty of Agriculture, 2018/2019
- Activity Coordinator– AHEAD grant, World Bank funded Sri Lankan government operation, 2019–2021
- Member– Programme Review Committee of the Faculty Agriculture for criteria 02 (Programme design and development) and 04 (Course module design and development), 2019
- Inter-faculty teacher–Department of Biosystems Technology, Faculty of technology, 2018–present
- Member– Faculty board of Agriculture, 2018–present
- Chairperson– Canteen committee, Faculty of Agriculture, University of Jaffna, 2018/2019
- Coordinator– Forestry Association, Students’ Society, Faculty of Agriculture, 2017– present
- Founder–Forestry Association, Students’ Society, Faculty of Agriculture, 2017
- Department coordinator–JICA Grant, Faculty of Agriculture, University of Jaffna, 2021
- Secretary– International Conference on Dry zone Agriculture, 2016
- Member of the Faculty board (Selected) – Faculty of Agriculture, University of Jaffna, 2014–2017
- Department coordinator– Quality Innovation Grant, Faculty of Agriculture, University of Jaffna, 2013–2016
University Level
- Executive member–Jaffna University Teacher Association: 2015–2016
- Senate member of University of Jaffna, 2021–2022
Regional/ National Level
- Member– Landscape and Green environment, University of Vavuniya, 2021–2022
- Life-time member of Jaffna Science Association since 2012
- Treasurer– Jaffna Science Association, University of Jaffna, 2021
- Assistant Treasurer– Jaffna Science Association, University of Jaffna, 2019
- Secretary– Section B of the Jaffna Science Association, 2019
International Level
- General Manager – Laboratory of Global Forest Environmental Studies, Department of Global Agricultural Science, University of Tokyo, Japan, 2024
- Member of Japanese Forest Society since 2022
- Member of Association for Tropical Biology and Conservation (ATBC)
- Member of the organizing committee for Final Lecture of Lab Professor Satoshi Tsuyuki at Nakashima Hall, Yayoi Campus, The University of Tokyo.
Teaching
Undergraduate Teaching
Faculty of Agriculture
- AG 11013 Principles of Crop Production 3:30/30/90
- AG 12012 Cereal Crops Production 2:20/20/60
- AG 21012 Field Crops Production 2:15/30/55
- AG 22012 Horticulture I 2:20/20/60
- AG 22022 Principles of Forestry 2:23/15/62
- AG 31012 Horticulture II 2:15/30/55
- AG 32012 Plantation and Export Crops Production 2:23/15/62
- AG 32022 Resilient and Sustainable Cropping System 2:23/15/62
- AG 41042 Sustainable Forest Management (2:23/15/62)
- AG 41062 Commercial Orchard Crop Production (2:23/15/62)
- AG 41072 Protected Agriculture Techniques (2:23/15/62)
- AG 41082 Plantation Forestry (2:23/15/62)
- AG 41132 Urban Forestry (2:23/15/62)
- CC 42016 Research Project 6:00/00/600
Faculty of Technology
- Green farming, Agroforestry, underutilized crops, farm designs and production, small-scale farming
Postgraduate Teaching
- Not yet
Teaching in other Institutions
- Department of Biosystems Technology, Faculty of Technology, University of Jaffna
- Department of Physical education, Faculty of Science, University of Jaffna
Diploma/ Certificate Programs
- Not yet
Research
Postgraduate Supervision
- M.Sc. (2021): Student name: Mr. Umakanthan Thirukkumaran, Faculty of Graduate Studies, University of Jaffna; Supervisor: Prof. T. Sivananthawerl and Mr.K.Jeyavanan; Thesis Title: “Role of Community Forestry on Biodiversity and Carbon Regulation in Thenmaradchy Division of Jaffna District- Sri Lanka”
Undergraduate Supervision
Faculty of Agriculture
2022
- MISS MITHUSHA BALAKIRUSHNAN, AG 1073, Effect of hedgerow of gliricidia alley cropping system on growth and yield performance of selected vegetables
- MR.PAHALA HITIGE CHAMOD ANUSHKA BANDARA, Identification of underutilized plant species and their values and diversity in Knuckles reserve forest of Matale district, Sri Lanka
- MR R.P.RAJAPAKSHAA, Present status of assisted natural regeneration and adaptability of plant species in Kilinochchi, premises of Faculty of Agriculture, University of Jaffna
- MISS. KIRISHA ARUMUGASAMY, AG 1068, Evaluation of growth and yield performance of okra and cowpea under coconut-based and intercropping systems
2021
- MR.MOHAMED SAREEF MOHAMED ISSATH,AG 1026, Present scenario of cropping systems in Kinniya, Trincomalee district of the eastern Sri Lanka
- PRAMOD CHATHURA WANIGATHUNGA, AG 1038, Socio-cultural and economic status of Chena cultivation in selected divisions of Hambantota, districts, Sri Lanka
2020
- MR. GALATUMBAGE TISSARA RAVINDRA, Assessment of Assisted Natural Regeneration (ANR) in Anuradhapura District, Sri Lanka
- MR.KELUM JEYASINGHE, Evaluation of an Agroforestry System in Galewela Area
- MR. N.A.DUMINDA NISHSHANKA, Impact of an Invasive Myroxylon balsamum (L.) Harms (Yakadamaran) on Restoration of Natural Vegetation in Plantation Site of Dunumadalawa Reserved Area in Kandy, District
2019
- MR.RATHNAYAKE, R.M.P.M, Biodiversity and Carbon stock of Tree Community in a Dry zone Urban Landscape
- MR.CHAMARA, MKPC., Floristic Diversity and Tree Biomass Studies at Jathika Namal Uyana, Anuradhapura: A Tropical Dry Forest in Sri Lanka
- MR.RAJEEVAN RAVINATHAN, Detection of Vegetation Change by Using Remote Sensing and GIS Technology in Mullaitivu District of Sri Lanka
2018
- MR.ANURAJ ALAGARAJAH, Comparative Study of Floristic Diversity and Tree Carbon Stock in Dense and, Sparse Forest of the Natural Reserve and Mixed Forest Plantation in Mullaitivu, District, Sri Lanka
- MR.MADUWANTHA DISSANAYAKA, Plant species diversity and Quantification of Tree Carbon Stock of Waddakanda Forest Reserve in Anuradhapura District, Sri Lanka.
2017
- MR.Y.G. SASIKA SANDEEPA WELAGEDARA, Regeneration and species diversity of Mesua ferrea l. in Mullaitivu district of Sri Lanka
2016
- MR.SHANMUGARATNAM THIRUKKUMARAN, Species diversity, distribution and biomass estimation of selected sites of forest reserve in Mullaitivu district in Sri Lanka
2015
- MR.SATHEESAN THEVARAJAH, Growth conditions of Tectona Grandis L. in Mullaitivu District of Sri Lanka.
- MR.VINOTH ANTANYTHASAN, Distribution and Carbon Stock Estimation of Mangrove Species in Kokkilai, Lagoon of Mullaitivu District
- MR.SASIKARAN, S. Palmyrah Land Use Systems in Jaffna District
Faculty of Technology
2022- Green farming
- MS.W.P.P.SANDUNI RAJARATHNA, Production of biodegradable bioplastic packaging material in agriculture.
- Ms. ACHINI UTHPALA, Effect of growing medium on the growth and development of selected leafy vegetables under hydroponic system
- MR.S. M.IRSHAN, The impact of banana residue and fruit waste based tonic on growth and yield of chilli
- R. K. P. P. JAYASINGHE, Optimization of artificial growth condition of Fusarium oxyporum f.spp. Phaseoli for screening of bean (Phaseolus vulgaris L.) Germplasm for Fusarium wilt resistance
- Judzy donbosco, Effect of various organic fertilizer applications on chilli plant growth and yield performance
- B. R. D. MADHUSHANKA, Evaluation of water and fertilizer use efficiency of aeroponic and substrate culture in green house vegetables
- R. S. M. MENDIS, Evaluation the feasibility of using different invasive plant species as raw materials for vermicompost production
- R. M. S. P. RATHNAYAKA, Biological efficiency evaluation of biogas slurry added substrate in oyster mushroom cultivation (Pleurotus ostreatus)
- R. M. A. N. SAUMYA, Utilization of agricultural residues as biochar for sustainable coconut plantation
- VITHUSHA MAHESVARAN, Bio efficacy evaluation of different commercial bio control product for controlling Sclerotium rolfsii causing groundnut (Arachis hypogaea L.) Stem rot disease
- B. C. K. HARISCHANDRA, Management of panama disease of banana caused by Fusarium oxysporum using green manure plant extracts
- S. M. K. O. P. K. SAMARAKOON, Effects of application of nutrient enriched compost and organic liquid fertilizer as eco-friendly nutrient sources for tomato cultivation
2021- Green faming
- AMANDA P.D., 2016/BST/002, Application of different mulches on improvement of the crop biophysical parameters
- DULAKSHI S., 2016/BST/023, Evaluation of crop growth and yield under intercropping systems in dry zone, Sri Lanka.
- JEGATHEESWARAN K., 2016/BST/044, Package and practice of fertilizer application with fish sludge on the performance of crop growth and yield.
- NATHEERA S., 2016/BST/061, Influence of Azolla in rice growth and yield
- NUSRA A.F. 2016/BST/063, Biophysical and yield characteristic Turmeric in dry zone
- SEWWANDI V.H.P. 2016/BST/087, Analyses of efficiency of varying levels and brewing durations of compost tea applications on the growth and yield of mung bean
- SINTHUJA T. 2016/BST/091, Herbicide efficiency for Watergrass
- ZAMEELA N.M., 2016/BST/109, Evaluation of propagation rate of different succulent species in different growing media
- WIJAYAMUNIPEWA E.P.I.S.N2016/BST/106
- L. R. D. S. BANDARA, Evaluation of different priming methods on seed dormancy, germination, vigor and growth parameters of ground nut (Arachis hypogaea L.) Variety Lanka jumbo
2021- Food Technology
- A.R. Fathima Fasla, Study on development of flavored Avocado seed powder for infusion
- M.G.A.M.Maswalagedara, Consumer attributes towards ecofriendly food packaging in Kotmale division
- M. Fathima Sadeeka, Development of functional sauce using Aloe vera
- S.T.S.Thenuwara, Survey on impact of covid19 on eating habits of families in Hatton, Sri Lanka during pandemic period (March 2020- December 2020)
Research Grants Received
- Japan International Cooperation Agency (JICA) SDGs Global Leader Award for pursuing Ph.D. at The University of Tokyo, Japan-2022 (Grant No. JICA/JFY/2022/D2203516-202006551-J011, 21.09.2022-30.09.2025)
- Japan International Cooperation Agency (JICA) Travel Grant award for attending ForestSAT conference in New Zealand-2024
- University Grant Commission (UGC) award for pursuing higher studies M.Phil. at University of Peradeniya, Sri Lanka-2014 (Grant No. UGC/DRIC/PG/ 2014MAY/ JFN/02, 2014-2016, LKR 726,000.00)
- University Research Grant (URG) (Principal Investigator) award for on Application of different growth mediums and plant hormones on the performance of crop phenology of grapes germplasm- 2021 (Grant No. URG/ 2021/ SEIT/05, 17.05.2021-30.06.2022, LKR 700,000.00)
- University Research Grant (Co-Investigator) on Selection of appropriate package of practices to improve the growth and yield of passion fruit (Passiflora edulis) in Dry zone DL3 of Sri Lanka-2019 (Grant No. URG/ 2019/ SEIT/02, 31.05.2019-31.10. 2020, LKR 552,100.00)
- University Research Grant, (Co-Investigator) on Sustainable form of Palmyrah (Borassus flabellifer) Land Use Assessment-2017 (No. URG/2017/SEIT/13, 11.07.2017-2018, LKR 700,000.00)
Consultancy Services
- Tree volume estimation from logged trees at the Faculty of Agriculture, University of Jaffna
Publications
Full Papers in Peer Reviewed Journals
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2025). Improving Individual Tree Crown Detection and Species Classification in a Complex Mixed Conifer–Broadleaf Forest Using Two Machine Learning Models with Different Combinations of Metrics Derived from UAV Imagery. Geomatics, 5 (3), 32. https://doi.org/10.3390/geomatics5030032
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2025). Improving the Individual Tree Parameters Estimation of a Complex Mixed Conifer—Broadleaf Forest Using a Combination of Structural, Textural, and Spectral Metrics Derived from Unmanned Aerial Vehicle RGB and Multispectral Imagery. Geomatics, 5(1), 12. https://doi.org/10.3390/geomatics5010012
- Gnanavelrajah, N. Theepika, S. Jeyavanan, K. and Raveendran, S. (2025). Palmyrah (Borassus flabellifer) palm land-use system: A potential key tool for enhancing carbon stock and floristic diversity in a dry zone tropical landscape. Trees, Forests and People 2025, 20, 100827. https://doi.org/10.1016/j.tfp.2025.100827
- Karthigesu, J., Owari, T., Tsuyuki, S., and Hiroshima, T. (2024). Improving the Estimation of Structural Parameters of a Mixed Conifer–Broadleaf Forest Using Structural, Textural, and Spectral Metrics Derived from Unmanned Aerial Vehicle Red Green Blue (RGB) Imagery. Remote Sens., 16, 1783. https://doi.org/10.3390/rs16101783
- Rajapakshe, R., Karthigesu, J., Thavananthan, S., Sivachandiran, S., Navaneetham,N. and Sinnamani, S. (2024). Restoring a dry tropical forest through assisted natural regeneration: enhancing tree diversity, structure, and carbon stock. Trees, Forests and People 2024, 17, 1000616. https://doi.org/10.1016/j.tfp.2024.100616
- Arumugasamy, K. Karthigesu, J. and Sritharan, S. (2024). Exploring the Use of Cropping Indices Over the Growth and Yield Performance for Selecting Okra–cowpea Intercropping Systems, 12, 2, 639-657. http://dx.doi.org/10.12944/CARJ.12.2.11
- Jeyavanan, K., Owari, T., Tsuyuki, S. and Hiroshima, T. (2023). UAV Photogrammetry for Estimating Stand Parameters of an Old Japanese Larch Plantation Using Different Filtering Methods at Two Flight Altitudes, Sensors, 23 (24), 9907; https://doi.org/10.3390/s23249907
- Lowe, W.A.M., Sinniah, J., Jeyavanan, K. Silva, G. L. L. P., Pushpakumara, D. K. N. G. (2021). ‘Can homegardens assist in enhancing the domestic food security?’ A study in Jaffna Peninsula, Sri Lanka. Agroforest Syst. https://doi.org/10.1007/s10457-021-00647-1 (Springer)
- Thirukkumaran, S., Jeyavanan, K. and Sivachandiran, S. (2017) Diversity, Distribution and Biomass of Tree Community in a Tropical Dry Forest of Northern Sri Lanka, Journal of Dry Zone Agriculture, 3 (1): 01-20. http://repo.lib.jfn.ac.lk/ujrr/handle/123456789/1446
- Jeyavanan, K., Sivachandiran, S. and Pushpakumara, D.K.N.G. (2017) Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula, Journal of Dry Zone Agriculture, 3 (1): 56-68. https://www.jdza.jfn.ac.lk/wp-content/uploads/2018/11/V3_56-68.pdf
- Satheesan,T. , Sivachandiran, S., Sivananthawerl, T., Pushpakumara, D.K.N.G. and Jeyavanan, K. (2017). Height and Diameter Relationship of Tectona Grandis L. in Mullaitivu District of Sri Lanka. International Journal of Advancement in Engineering Technology, Management and Applied Science, 4(6): 23-28.
- Shivatharsinii, K., Siyambalapitiya, S.B. and Jeyavanan, K. (2017) Application of Goal Programming on Yield Optimization of Selected Agricultural Crops, International Journal of Innovative Research in Science, Engineering and Technology,6 (7): 12472-12477.
- Jeyavanan, K., Sivachandiran, S., Vinujan, S. and Pushpakumara, D.K.N.G. (2016) Effect of Different Pre-Sowing Treatments on Seed Germination of Diospyros ebenum Koenig, World Journal of Agricultural Sciences, 12 (6): 384-392.
- Jeyavanan, K. and Sivachandran, S. (2015). Cultivar Variability Studies on Karuthacolomban Mango (Mangifera indica L.) based on Phenotypic Characters in Thenmaradchy division of Jaffna Peninsula, Sri Lanka, International Journal of Agricultural and Food Science, 5(2): 62-73.
- Jayavanan, K., Pushpakumara, D.K.N.G. and Sivachandran, S. (2014). Role of Live fence Agroforestry in Jaffna Peninsula, Tropical agriculturist: an International Journal of Sri Lanka, 162:25-49.
Books
- Not yet
Book Chapters
- Not yet
Extended Abstracts
- Rajeevan, R., Jeyavanan, K. and Sivachandiran, S. (2023). Forest cover change detection in Mullaitivu district, Sri Lanka using landsat multispectral imagery, 11th International symposium held on 3rd May 2023, South Eastern University of Sri Lanka Oluvil, Sri Lanka, pp.127-137
- Rukshila, K.A.D.T., Gunawardhana, D.M.M.K., Varthani, S., Jeyavanan, K. and Vijayarasa, J.T. (2023). The effects of different vermiwash on the cultivation of Spirulina platensis, 3rd International Symposium on Agriculture, Faculty of Agriculture, Eastern University Sri Lanka, held on 9 March 2023, pp.8-10.
Abstract published at Conferences
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2025). Individual Tree Detection in a Complex Mixed Conifer-Broadleaf Forest Using UAV RGB and Multispectral Imagery, 136th Japanese Forest Society meetings held on 20-23 March 2025 in Hokkaido University, Sapporo, Japan (Poster).
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2024). Structural Parameter Estimation in a Complex Mixed Conifer-Broadleaf Forest: Insights from UAV RGB Imagery through Structural, Textural, and Spectral Metrics, ForestSAT-2024 organized by SCION held on 9-13 September 2024, Rotorua, New Zealand, pp.168 (Oral, In-Person).
- Pathirana, P.D.A., Anusiya, M. and Jeyavanan, K. (2024). Impact of Various Liquid Fertilizers on Growth and Yield Performance of Cauliflower, Proceedings of Lincoln International Multidisciplinary Conference 2024, Sri Lanka, Vol.1,25th & 26th August 2024, pp.32
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2024). Estimating structural parameters of a complex mixed conifer-broadleaf forest using UAV photogrammetry, 135th Japanese Forest Society meetings held on 8-10 March 2024 in Tokyo University of Agricultural Sciences, Tokyo, Japan, pp.194 (Poster).
- Uthpala, A., Jeyavanan, K., Viharnaa, R., Vijitha, V. and Sritharan, S. (2024) Investigation on effectiveness of different organic growing media on the growth and development of selected leafy vegetables under hydroponic system, 6th National Symposium on Agriculture, Faculty of Agriculture, Eastern University of Sri Lanka, pp.12
- Jeyavanan, K. (2024). Estimating structural parameters of a complex mixed conifer-broadleaf forest using Unmanned Aerial Vehicle photogrammetry held on March 14, 2024, organized by Forest GIS Forum, https://fgis.jp/archives/2006
- Mithusha, B., Jeyavanan, K. and Sritharan, S. (2023). Growth and Yield Performance of Selected Vegetables in Gliricidia – based Alley Cropping System, Proceedings of 9th International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka, held on 20th of September 2023, pp.14.
- Anushka Bandara, P.H.C., Jeyavanan, K. and Sivananthawerl, T. (2023). Diversity of Underutilized Plant Species in Knuckles Forest Reserve, Sri Lanka: A Case Study, Proceedings of 9th International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka, held on 20th of September 2023, pp.17.
- Rajapakshe, R.P., Jeyavanan, K., Sivananthawerl, T., Sivachandiran, S., Venukopan, N. and Sritharan, S. (2023). Effect of Assisted Natural Regeneration on Tree Diversity and Carbon Regulation, Proceedings of 9th International Conference on Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna, Sri Lanka, held on 20th of September 2023, pp.18.
- Irsath, A., Sathees, D., Piratheepan, S., Varthani, S., Pirushnthi, G. and Jeyavanan, K. (2023). Production Performance and Feed Cost Implications of Utilizing Seaweeds and Indian Jujube Seed Powder in Broiler Chicken Finisher Feed, International Conference on Applied sciences-ICAPS 2023, held from May 30-31, 2023, Sabaragamuwa University of Sri Lanka, pp.74
- Sadeeka, M.F, Keerthini, S. and Jeyavanan, K. (2023). Development of Sauce using Aloe barbadensis Miller, International Conference on Applied sciences-ICAPS 2023, held from 30-31 May 2023, Sabaragamuwa University of Sri Lanka, pp.64
- Zameela, N.M., Anusiya, M. and Jeyavanan, K. (2023) Evaluation of Propagation Rate of Different Succulent Plant Species in Different Growing Media, International Conference on Applied sciences-ICAPS 2023, held from 30-31 May 2023, Sabaragamuwa University of Sri Lanka, pp.80.
- Promod, C.W., Jeyavanan, K. and Sivananthawerl, T. (2023). Socioeconomic Sustainability of Chena Cultivation in the Forested Land of Hambantota District, Sri Lanka, Proceedings of the 27th International Forestry and Environment Symposium, Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, held from 27-28 January, pp.114
- Gnanavelrajah, N., Sathasivam, T., Jeyavanan, K. and Raveendran, S. (2023). A Sustainable form of land use under Borassus flabellifer: A case study in Jaffna district of Sri Lanka, Proceedings of the 27th International Forestry and Environment Symposium, Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, held from 27- 28 January, pp.113
- Owari, T., Matsui, M., Kimurai, N., Oikawa, N. and Jeyavanan, K. (2023). Stand structure and growth of a 115-year-old Japanese larch plantation in the University of Tokyo Hokkaido Forest, 3rd JSPS-C2C Hybrid Symposium, held from 06-10 March 2023, pp.77.
- Jeyavanan K., Owari, T., Tsuyuki, S. and Hiroshima, T. (2023). Estimating stand parameters of a 114-year-old Japanese larch plantation using UAV photogrammetry, 134th Annual Meeting of the Japanese Forest Society, held from 25-27 March 2023, pp.144
- Rajeevan, R., Jeyavanan, K. and Sivachandiran, S. (2023) Forest Cover Change Detection in Mullaitivu District, Sri Lanka Using Landsat Multispectral Imagery, IntSym, SEUSL
- Pushpakalaa M, Herath. P.G.H.M.S.N, Jeyavanan.K , Varnika. K, Jathukula.R , Kujinsiga.J. (2022). Bio Efficacy Evaluation of different Non-Hazardous Alternative Chemicals and Commercial Fungicides for Controlling Groundnut Stem Rot Incidence by against Sclerotium rolfsii.S.1 st Annual Research Session-2022, Faculty of Technology, Eastern University of Sri Lanka,6 th October 2022, ISBN: 978-624-5731-13-8.
- Madhusha, G, Varnika, K, Jeyavannan, K, Mayakaduwa, M, A, P. (2022). Effect of Different Fruit Peels-Based Nutrition Sources on The Growth and Yield of Lettuce. 1 st Annual Research Session-2022, Faculty of Technology, Eastern University of Sri Lanka,6 th October 2022, ISBN: 978-624-5731-13-8.
- Vidvanee, S, Varnika, K, Jeyavanan, K, Prabath Nishantha K, M, D, W. (2022). Study of Parasitic Arthropoda Fauna of Aphids Associated with Vegetables Growing Areas of The Central Province Sri Lanka. 1 st Conference on Technological Advancements and innovations (TechInn-2022)- Faculty of Technology, University of Jaffna, ISBN: 978-624-6150-12-9.
- Sivananthawel, T., Thirukkumaran, U., Jeyavanan, K. and Pushpakumara, D.K.N.G. (2022). Role of Community Forest on Conservation of Biodiversity, Carbon Regulations and Climate Resilience: A Case Study from Jaffna District, Sri Lanka, 5th World Congress on Agroforestry organized by University of Lava and World Agroforestry Center, Quebec City, Canada, 17-21, July 2022.
- Madushika, H. Anusiya, M. and Jeyavanan, K. (2022). Investigating the Impact of Urban Homegardening on Households’ food and Nutritional Security in response to the Covid-19 Pandemic, Transitioning to Food Security and Health, 5th World Congress on Agroforestry organized by University of Lava and World Agroforestry Center, Quebec City, Canada, 17-21, July 2022.
- Thissara, T.R., Jeyavanan, K. and Sivananthawerl, T. (2021). Assessment of Assisted Natural Regeneration in Anuradhapura district, Sri Lanka, Association of Tropical Biology and Conservation-ATBC2021, Virtual Conference held on 21-23, July 2021
- Thirukumaran U., Jeyavanan, K. and Sivananthawerl, T. (2021). Floristic Diversity and Carbon Stock Estimates of a Novel Community Forest Ecosystem in Sri Lanka, Association of Tropical Biology and Conservation-ATBC2021, Virtual Conference held on 21-23, July 2021.
- Nishshanka N.A.D., Jeyavanan, K. and Sivananthawerl, T. (2020). Impact of an invasive species Myroxylon balsamum (L.) Harms on natural vegetation of Dunumadalawa reserve in Kandy district, The 7th International Conference on Agriculture held on 26th – 27th November 2020, Organized by The International Institute of Knowledge Management, Pitakotte,Colombo, Sri Lanka pp.42.
- Jeyavanan, K. and Sritharan, S. (2019) Diversity of underutilized crops in northern Sri Lanka: Conservation and management strategies, The International Conference on the Biodiversity and Environmental Management 2019, 25th and 26th November 2019 in Colombo, Sri Lanka,
- Jeyavanan, K., Nalaka Geekiyanage, Iqbal, M. C. M., Kumarathunage, M. D. P., Sivachandiran, S. Sivananthawerl, T., Pushpakumara, D.K.N.G. (2019) Aboveground Carbon Stock and Tree Diversity in the Tropical Dry Forest of Sri Lanka. (2019) Proceedings of the Research Symposium on Dry Zone Forests Organized by the Department of Forest held in 24th October 2019 at BMICH, Colombo, Sri Lanka.Pp.21
- Anuraj, A., Jeyavanan, K. and Sivachandiran, S. (2019) Comparative Study of Floristic Diversity and Tree Carbon Stock in Dense and Sparse Forest of the Natural Reserve and Mixed Forest Plantation in Mullaitivu District, Sri Lanka , ATBC-ASIA PACIFIC CHAPTER MEETING – 2019, September 11-13, SRI LANKA, pp.163-164
- Chamara, MKPC. and Jeyavanan, K. (2019) Floristic Diversity and Tree Biomass Studies at Jathika Namal Uyana, Anuradhapura: A Tropical Dry Forest in Sri Lanka , ATBC-ASIA PACIFIC CHAPTER MEETING – 2019, September 11-13, SRI LANKA, pp.246
- Rathnayake, R.M.P.M, Jeyavanan, K. and Sivachandiran, S. (2019) Biodiversity and Carbon stock of Tree Community in a Dry zone Urban Landscape, ATBC-ASIA PACIFIC CHAPTER MEETING – 2019, September 11-13, SRI LANKA, pp.225
- Rajeevan, R., Jeyavanan, K., Sivachandiran, S. and Sivananthawerl, T. (2019) Vegetation Change Detection in Mullaitivu District by using Remote Sensing and GIS Techniques, 24th International Forestry and Environment Symposium, Wayamba University of Sri Lanka held on 10-12 October 2019
- Jeyavanan, K., Pushpakumara, G., Sivachandiran, S., Weerahewa, J. and Sivananthawerl, T. (2019) Prospects of homegarden agroforestry in conservation of biodiversity and increasing of carbon stock in Jaffna District, in the track of Agroforestry and biodiversity conservation; World congress on Agroforestry held from 20th to 22nd May 2019 at Le Corum Conference centre, Montpellier, France
- Robinroy, P.V., Nivetha, S., Sivagini, K., Nobert, J., Kalaineethan, T. and Jeyavanan, K. (2019). Design and diagnosis of automated crop management system for organic agriculture, National Undergraduate Research Symposium held on March 29, at the Centre for Banking Studies (CBS), Colombo, Sri Lanka, pp.83
- Jeyavanan, K., Sivachandiran, S., Sivananthawerl, T. and Pushpakumara, D.K.N.G. (2018) Conservation of Threaten species in the Northern Province of Sri Lanka: Biodiversity, Adaptation, Food security and Livelihoods, Fifth International Conference on Agriculture 2018 (AGRICO 2018), Colombo, Sri Lanka held on 16th – 17th August 2018, pp.48
- Dissanayaka, D.J.G.M., Jeyavanan, K. and Sivachandiran, S. (2018). Plant species diversity and Quantification of Tree Carbon Stock of Waddakanda Forest Reserve in Anuradhapura District, Sri Lanka. Proceedings of Fourth International Conference on Dry Zone Agriculture, Sri Lanka held at Auditorium on 1st & 2nd November 2018, Faculty of Agriculture, University of Jaffna, Sri Lanka, 4:86
- Sasika, Y.G.S.W., Sivachandiran, S., Jeyavanan, K., Pushpakumara, D.K.N.G. and Sivananthawerl, T. (2017).Status, Importance and Future Perspective of Naa tree (Mesua ferrea) in Nagancholai Area of Dry zone of Mullaitivu District in Sri Lanka. Fourth International Conference on Agriculture and Forestry, Colombo, Sri Lanka held on 24-25th August 2017, pp 41.
- Shivatharsinii, K., Siyambalapitiya, S.B. and Jeyavanan, K. (2017) Linear Programming on Yield Optimization of String bean for different Levels of Spacing and Fertilizer, 4th International Conference on Agriculture and Forestry, Colombo, Sri Lanka from 24th – 25th August, 2017, pp.38.
- Jeyavanan, K., Sivachndiran, S., Pushpakumara, D.K.N.G. and Weerahewa, J. (2016) Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula, Proceedings of International Conference on Dry Zone Agriculture, Sri Lanka held at Auditorium on 15th & 16th December 2016, Faculty of Agriculture, University of Jaffna, Sri Lanka, 2:29
- Thirukkumaran, S., Sivachandiran, S. and Jeyavanan, K. (2016) Species diversity, Distribution and Biomass Estimation of selected Sites of Forest Reserve in Mullaitivu District in Sri Lanka, Proceedings of International Conference on Dry Zone Agriculture, Sri Lanka held at Auditorium on 15th & 16th December 2016, Faculty of Agriculture, University of Jaffna, Sri Lanka, 2:30
- Shivatharsinii, K., Siyambalapitiya, S.B. and Jeyavanan, K. (2016) Yield optimization of chilli and string bean for different levels of spacing and organic fertilizer under intercrop and monocrop systems, Proceedings of the Peradeniya University International Research Sessions, Sri Lanka, held at Faculty of Dental Science on 4th & 5th November 2016, 20:268
- Pushpakumara, D.K.N.G., Jeyavanan K., Sivachandran, S., Marambe, B., Sivananthawerl, T. and Singh, V.P. (2014). Homegarden to Rebuild Environmental, Economic, Food and Nutritional Security in North & Eastern Provinces of Sri Lanka, Tropical homegardens: multi functionality and benefits, World congress on Agroforestry (wca2014-2485) held at Wijayan Bhavan, Delhi, India on 10th February 2014.
- Jeyavanan, K., Sivachandiran, S. and Nishanthan, K. (2013). Preliminary investigation on chemical parameters of Karuthacolomban Mangoes (Mangifera indica L.) in Jaffna, Proceedings of Jaffna Science Association, University of Jaffna, Sri Lanka, 20th Annual Sessions 17, 18 & 19 April 2013, Jaffna, Sri Lanka. 20 (1):13.
- Jeyavanan, K., Nishanthan, K. and Sivachdiran, S. (2012). Variability studies on Karuthacolomban Mangoes (Mangifera indica L.) based on physical parameters in Thenmaradchi divisions of Jaffna, Sri Lanka. Proceedings of 13th Annual Research Symposium held at the Faculty of Graduate studies, University of Kelaniya, Kelaniya, Sri Lanka on 22nd November 2012. pp. 79.
Abstracts Presented at Conferences (Presenter)
- Rajeevan, R., Jeyavanan, K. and Sivachandiran, S. (2023). Forest cover change detection in Mullaitivu district, Sri Lanka using Landsat multispectral imagery, 11th International symposium held on 3rd May 2023, South Eastern University of Sri Lanka Oluvil, Sri Lanka, pp.127-137
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2025). Individual Tree Detection in a Complex Mixed Conifer-Broadleaf Forest Using UAV RGB and Multispectral Imagery, 136th Japanese Forest Society meetings held on 20-23 March 2025 in Hokkaido University, Sapporo, Japan (Poster).
- Karthigesu, J., Owari, T., Tsuyuki, S. and Hiroshima, T. (2024). Structural Parameter Estimation in a Complex Mixed Conifer-Broadleaf Forest: Insights from UAV RGB Imagery through Structural, Textural, and Spectral Metrics, ForestSAT-2024 organized by SCION held on 9-13 September 2024, Rotorua, New Zealand, pp.168 (Oral, In-Person).
- Jeyavanan, K. (2024). Estimating structural parameters of a complex mixed conifer-broadleaf forest using Unmanned Aerial Vehicle photogrammetry held on March 14, 2024, organized by Forest GIS Forum, https://fgis.jp/archives/2006
- Jeyavanan K., Owari, T., Tsuyuki, S. and Hiroshima, T. (2023). Estimating stand parameters of a 114-year-old Japanese larch plantation using UAV photogrammetry, 134th Annual Meeting of the Japanese Forest Society, held from 25-27 March 2023, pp.144
- Jeyavanan, K., Nalaka Geekiyanage, Iqbal, M. C. M., Kumarathunage, M. D. P., Sivachandiran, S. Sivananthawerl, T., Pushpakumara, D.K.N.G. (2019) Aboveground Carbon Stock and Tree Diversity in the Tropical Dry Forest of Sri Lanka. (2019) Proceedings of the Research Symposium on Dry Zone Forests Organized by the Department of Forest held in 24th October 2019 at BMICH, Colombo, Sri Lanka.Pp.21
- Jeyavanan, K., Sivachandiran, S., Sivananthawerl, T. and Pushpakumara, D.K.N.G. (2018) Conservation of Threaten species in the Northern Province of Sri Lanka: Biodiversity, Adaptation, Food security and Livelihoods, Fifth International Conference on Agriculture 2018 (AGRICO 2018), Colombo, Sri Lanka held on 16th – 17th August 2018, pp.48
- Jeyavanan, K., Sivachndiran, S., Pushpakumara, D.K.N.G. and Weerahewa, J. (2016) Ecosystem Services of Homegarden Agroforestry in Jaffna Peninsula, Proceedings of International Conference on Dry Zone Agriculture, Sri Lanka held at Auditorium on 15th & 16th December 2016, Faculty of Agriculture, University of Jaffna, Sri Lanka, 2:29
- Jeyavanan, K., Sivachandiran, S. and Nishanthan, K. (2013). Preliminary investigation on chemical parameters of Karuthacolomban Mangoes (Mangifera indica L.) in Jaffna, Proceedings of Jaffna Science Association, University of Jaffna, Sri Lanka, 20th Annual Sessions 17, 18 & 19 April 2013, Jaffna, Sri Lanka. 20 (1):13.
- Jeyavanan, K., Nishanthan, K. and Sivachdiran, S. (2012). Variability studies on Karuthacolomban Mangoes (Mangifera indica L.) based on physical parameters in Thenmaradchi divisions of Jaffna, Sri Lanka. Proceedings of 13th Annual Research Symposium held at the Faculty of Graduate studies, University of Kelaniya, Kelaniya, Sri Lanka on 22nd November 2012. pp. 79.
National report
- Marambe, B., Weerahewa, J., Kadupitiya, H., Jayasinghe, U., Isham, M., Silva, P., Dissanayake, S., Ratnasekera, D., Kuruppu, V., Eeswaran, R., Jeyavanan, K., Sanjeewa, B., Jayaratnam, A., Ferrari, C.Z., Malec, R., Ni, J., Trapani, I., Santini, G. and Drechsel P., 2024. Food flow analysis of seven commodities in Sri Lanka. Summary Report. Food and Agriculture Organization of the United Nations (FAO), University of Peradeniya, International Water Management Institute (IWMI), and Department of Agriculture, Sri Lanka. pp 1-25, DOI:10.13140/RG.2.2.13144.71681.
- Mikunthan, G. Kuganathan, S., Gnaneswaran, R., Mikunthan, T. Pushparatnam, P., Arasakesary, S.J., Sivakumar, S., Vaseekaran, S. Thurairatnam, S. Loganathan, B. Soosai, A.S., Sivaruban, A., Sathiyaseelan, V., Thayalini, T. and Jeyavanan. K. 2020. Northern Province Biodiversity Profile and Conservation Action Plan, Biodiversity Secretariat, Ministry of Environment and Wildlife Resources. pp.1-82
Magazines/ Newsletters
- Published articles in Pasunthogai and Pirayogavingnana Sudar
Awards
Scholarship/ Fellowship
- Japan International Cooperation Agency (JICA) SDGs Global Leader Award for pursuing Ph.D. at The University of Tokyo, Japan-2022 (Grant No. JICA/JFY/2022/D2203516-202006551-J011, 21.09.2022-30.09.2025)
- University Grant Commission (UGC) award for pursuing higher studies M.Phil. at University of Peradeniya, Sri Lanka-2014 (Grant No. UGC/DRIC/PG/ 2014MAY/ JFN/02, 2014-2016, LKR 726,000.00)
Medals
- Not yet
Research Awards
- Student Poster Award at the 136th Japanese Forest Society Conference for the research on Individual Tree Detection in a Complex Mixed Conifer-Broadleaf Forest Using UAV RGB and Multispectral Imagery. The event was held on 20-23 March 2025 at Hokkaido University, Sapporo, Japan.
Travel Awards
- Japan International Cooperation Agency (JICA) Travel Grant award for attending ForestSAT conference in New Zealand-2024
Other Awards
- ‘Pasumai Puravalar’ award for planting trees and environmental conservation by Green Layer Organization -2021
CPD
Trainings on University Teaching
- Completed the Staff Induction Programme for probationary lectures, conducted by staff development center, University of Jaffna, 2013
Trainings on Research
- Completed a certificate training program on NASA’s Applied Remote Sensing Training (ARSET), 20, 27 April and 4 May 2023.
- Participated in a one-day workshop on Terrestrial Laser Scanner (TLS) and UAV (Drone) Experience Session and Presentation on Cutting-Edge Research by Young Researchers organized by Forestry and Forest Products Research Institute, Tsukuba, Ibaraki Prefecture, Japan
- Completed an online certificate course on Python programming for Data Science conducted by Institute of Applied Statistics, Sri Lanka (IASSL), held on 18, 19, 20, 23 and 24 October 2023
- Completed NASA’s applied remote sensing training (ARSET) program on Spectral Indices for Land and Aquatic Application held on 26th October, 2nd November and 9th November 2023
- Attended as trainee for nature master class entitled on Effective Academic Writing- Effectively Communicating Your Research workshop organized by The University of Tokyo, Japan, 12 March 2024
- Attended as trainee for nature master class entitled on Logical Manuscript Structure- Effectively Communicating Your Research workshop organized by The University of Tokyo, Japan, 13 March 2024
- Attended as trainee for nature master class entitled on Maximizing Discoverability- Effectively Communicating Your Research workshop organized by The University of Tokyo, Japan, 14, March 2024
- Attended as participant for SmartForest Open Seminar: AI in forestry workshop on 21st March 2024
- Participated the Forestry AI 1st Workshop on 3rd April 2024
- Completed four days short course on artificial neural network with R (ANN-R) conducted by Institute of applied statistics, Sri Lanka
Other Professional Trainings Attended
- Participated for Ex-Overseas Student Members and International Networking Forum among Forest Societies in Asia at 135th Japanese Forest Society meetings held on 9th March 2024, Japan
- Attended 14 days for ForestSAT 2024 conference, held at the Energy Event Center in Rotorua, New Zealand, from 9–13 September 2024 and participated for post-conference networking session at SCION on 16 September 2024, and trained at SCION from 17–22 September 2024 by SCION scientists Dr. Sadeepa Jeyathunga and her lead, Dr.Elizaveta Graevskaya.
- Attended 46 days training programme on Training Course on Rice Yield-increasing Technology for Sri Lanka from 9th of August to 19th of September 2019 at Yuan Longping High-tech Agriculture Co., Ltd., Changsha City, Hunan Province, China sponsored by Commission of the Ministry of Commerce, the People’s Republic of China, this Economic and Commercial Counsellor’s Office of the Embassy of the People’s Republic of China in Sri Lanka.
- Attended 14 days programme to develop academic and educational cooperation with Annamalai University and Research Institutes in India under the soft skill component of the Indian grant from 1st April 2019 to 14th April 2019 of April 2019, India.
Outreach Activities
Resource Person
- Senior JICA scholar for guiding junior JICA scholars at JICA Networking Seminar, Tokyo, Japan, 2025
- Speaker as a JICA Senior Scholar for networking Seminar from 20-23 held at Shinjuku Sumitomo Hall at Shinjuku and delivered a talk on ‘Beyond Borders: Cultural Connections and Academic Pursuits in Japan’ on behalf of South-Asian Global Leaders on 23rd December 2025 at JICA Ichigaya Center.
- Workshop on Climate Smart Irrigated Agriculture Project, Northern Province of Sri Lanka: Impact of Climate Change and Crop Selection, 2019
- Project for Creation of Awareness for the Government Teachers on Environment Education Introduced under the New Syllabus (2017 -2021), Three Day Residential Workshop – 11, 12, 13 July 2018 (Northern Province) at J/ Vembadi Girls High School, Jaffna
- Seminar for Advanced level Teacher on New Syllabus Introduced to Agriculture Students organized by Department of Education 2017
- Food production Programme for Farmers organized by District Secretariat, Chavakacheri, Jaffna in 2017
- Biosystem Technology for School students on Teachers conducted by Education Department in Jaffna Hindu Ladies College, Jaffna in 2014.
Editorial services
- Associate Editor, Journal of Dry Zone Agriculture, Faculty of Agriculture, Faculty of Agriculture, 2020
- Co-Editor, Journal of Dry Zone Agriculture, Faculty of Agriculture, 2015-2016
Reviewer services
Journal
- Scientific African, Elsevier, Q1: 2025-present
- Science of Remote Sensing , Elsevier, Q1: 2025-present
- Smart Agricultural Technology, Elsevier , Q1: 2025-present
- CATENA, Elsevier, Q1: 2025-present
- Trees, Forests and People, Elsevier , Q1: 2025-present
- Environmental Monitoring and Assessment, Springer: 2025-present
- Biodiversitas, Indonesia: 2024 to present
- International Journal of Digital Earth, Taylor and Francis: 2024 to present
- Plant Ecology & Diversity, Taylor and Francis: 2024 to present
- Journal of Sustainable Forestry, Taylor and Francis: 2024 to present
- Cogent Food & Agriculture, Taylor and Francis: 2023 to present
- Vavuniya Journal of Science, University of Vavuniya: 2024 to present
- Journal of Tropical Agriculture and Extension, University of Ruhuna: 2021
- Journal of dry zone agriculture, Faculty of Agriculture, Faculty of Agriculture: 2017 to present
Conference
- International Research Conference, Open University of Sri Lanka: 2025
- TASME, University of Toronto, Canada: 2025
- TecInn Conference, Faculty of Technology, University of Jaffna: 2023 to present
- Annual Scientific Session, Jaffna Science Association: 2018 to present
- Vingnanam research conference, University of Jaffna: 2022 to present
- Third international research conference, Trincomalee campus, Sri Lanka: 2018
- International conference in Dry Zone Agriculture, Faculty of Agriculture, University of Jaffna: 2017 to present
Others
- Member of the panel of judges for the School Homegardens Evaluations organized by Section B of Jaffna Science Association, University of Jaffna
- A Speaker at the series of webinar conducted by Jaffna Science Association, University of Jaffna
- Performing Hindu religious ritual activities on 77th Independence Day of the Sri Lanka at the Embassy of Sri Lanka in Japan on invitation of his Excellency Ambassador
- Performing Hindu religious ritual activities on Thaipongal Festival organized by Sri Lankan Student Society of Japan and the Embassy of Sri Lanka in Japan
- Member of establishing Forestry Associations, a student society at the Faculty of Agriculture
- Performing Cultural diversity of Sri Lanka at Yayoi Campus Day at the University of Tokyo, Japan
- Conducted collaborative engagement between Department of Agronomy, University of Jaffna and Department of Zoology, University of Colombo under theme of ‘Collective Communities for Conservations
- Engaging several Tree Planting Activities