Karthigesu Jeyavanan, Ph.D.Senior Lecturer (Grade II) in AgronomyDepartment of AgronomyFaculty of AgricultureUniversity of Jaffna, Thirunelvey, JaffnaSri Lanka
e-mail: kjvanan@univ.jfn.ac.lk / kjvanan@gmail.comCall: 0094776381736/ 0094212060175Forestry Association lab: https://sites.google.com/univ.jfn.ac.lk/fora/home?authuser=0
Research Interest: Forest management, GIS, Geomatics, Remote Sensing, Unmanned Aerial Vehicle Technology, Forest Structure, Forest Carbon Stock, Biodiversity, Restoration, Agroforestry, Cropping Systems, Homegardens
Scopus ID: https://www.scopus.com/authid/detail.uri?authorId=58781064600 Web of Science ID: https://www.webofscience.com/wos/author/record/HJY-4216-2023Google Scholar: https://scholar.google.com/citations?user=osPEx54AAAAJ&hl=en&authuser=1&oi=ao Orcid: https://orcid.org/0000-0002-7604-788X Loop profile: https://loop.frontiersin.org/people/2558637/overviewSci profile: https://sciprofiles.com/profile/Jeyavanan_KarthigesuResearch Gate: https://www.researchgate.net/profile/Jeyavanan-Karthigesu
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Educational Qualification
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 Position
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
Senior Lecturer Gr.II: Department of Agronomy, Faculty of Agriculture, University of Jaffna 2017 - till to date
Lecturer (Confirmed): Department of Agronomy, Faculty of Agriculture, University of Jaffna 2012 - 2017
Assistant Lecturer: Department of Agronomy, Faculty of Agriculture, University of Jaffna 2011 - 2012
Appointments Selected
Member, Landscape and Green environment, University of Vavuniya 2021-2022
President, Welfare Society of the Faculty of Agriculture 2018/2019
Activity Coordinator, AHEAD grant, World Bank funded Sri Lankan government operation 2019-2021
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
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- to date
Member of the Faculty board 2018-to-date
Chairperson, Canteen committee, Faculty of Agriculture, University of Jaffna 2018/2019
Coordinator, Forestry Association, Students' Society, Faculty of Agriculture 2017- to date
Founder Forestry Association, Students' Society, Faculty of Agriculture 2017
Department coordinator , JICA Grant, Faculty of Agriculture, University of Jaffna 2016- 2021
Secretary, International Conference on Dry zone Agriculture: 2016
Executive member, Jaffna University Teacher Association: 2015-2016
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
Awards
Won the 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. The study is supervised by Prof. Toshiaki Owari at The University of Tokyo Hokkaido Forest, with co-supervision from Prof. Satoshi Tsuyuki and Prof. Takuya Hiroshima at the Laboratory of Global Forest Environmental Studies in The University of Tokyo. https://www.forestry.jp/meeting/student_poster_award_136/
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)
'Pasumai Puravalar' award for planting trees and environmental conservation by Green Layer Organization -2021
Publications
Journal
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.https://www.researchgate.net/profile/Dkng-gamini-Pushpakumara/publication/273097700_ROLE_OF_LIVE_FENCE_AGROFORESTRY_IN_JAFFNA_PENINSULA/links/54f6e9170cf21d8b8a5ebea3/ROLE-OF-LIVE-FENCE-AGROFORESTRY-IN-JAFFNA-PENINSULA.pdf
Conference full paper
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.
Short communications
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.
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
Contribution to national conferences and Journals
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
Computers and Electronics in Agriculture, Elsevier, Q1 2025-present
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
Foreign Training, workshops and conferences
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 5 days conference at the 5th World Congress on Agroforestry organized by Université Laval, in partnership with the International Union for Agroforestry (IUAF) and World Agroforestry (ICRAF), Quebec City, Canada, 17-21, July 2022.
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.
Attended 7 days programme on World congress on Agroforestry for the publication of Homegarden to Rebuild Environmental, Economic, Food and Nutritional Security in North & Eastern Provinces of Sri Lanka, Tropical homegardens: multi functionality and benefits, authored by Pushpakumara, D.K.N.G., Jeyavanan K., Sivachandran, S., Marambe, B., Sivananthawerl, T. and Singh, V.P. (2014) (wca2014-2485) held at Wijayan Bhavan, Delhi, India on 10th February 2014.
Research Supervision
Postgraduate supervision
M.Sc.: 01 (2021)
Student name: Mr. Umakanthan Thirukkumaran, Faculty of Graduate Studies, University of Jaffna.
Thesis Title: "Role of Community Forestry on Biodiversity and Carbon Regulation in Thenmaradchy Division of Jaffna District- Sri Lanka"
Undergraduate supervision
Faculty of Agriculture (B.Sc. in Agriculture since 2016)
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 Lank
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 (B.Sc. in Agriculture since 2020)
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 j)
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 breving 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 ecofreindly 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)
Teaching
Teaching in Department of Agronomy, Faculty of Agriculture, University of Jaffna
First Year Second Semester - Core Courses (11000)
AG 11013 Principles of Crop Production 3:30/30/90
First Year Second Semester - Core Courses (12000)
AG 12012 Cereal Crops Production 2:20/20/60
Second Year First Semester - Core Courses (21000)
AG 21012 Field Crops Production 2:15/30/55
Second Year Second Semester - Core Courses (22000)
AG 22012 Horticulture I 2:20/20/60
AG 22022 Principles of Forestry 2:23/15/62
Third Year First Semester - Core Courses (31000)
AG 31012 Horticulture II 2:15/30/55
Third Year Second Semester - Core Courses (32000)
AG 32012 Plantation and Export Crops Production 2:23/15/62
Third Year Second Semester - Specialization Courses
AG 32022 Resilient and Sustainable Cropping System 2:23/15/62
Fourth Year First Semester - Specialization Courses (41000)
Compulsory Courses
AG 41042 Sustainable Forest Management (2:23/15/62)
Elective Courses
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)
Fourth Year Second Semester Course (42000)
CC 42016 Research Project 6:00/00/600
Inter-Faculty Teaching
Department of Biosystems Technology, Faculty of Technology, University of Jaffna
Department of Physical education, Faculty of Science, University of Jaffna
Social and Educational page
Research gate: https://www.researchgate.net/profile/Jeyavanan_Karthigesu
Google Scholars: http://scholar.google.com/citations?user=osPEx54AAAAJ&hl=en
Forestry Associations: https://www.facebook.com/groups/338623263265668/
Twitter: https://x.com/Jeyavanan188723?t=3FT284sKvUwQY5t8dzMDOg&s=09
LinkedIn: https://www.linkedin.com/pub/karthigesu-jeyavanan/59/5b0/a92
Skillpages: https://www.skillpages.com/karthigesu.jeyavanan
You tube: https://www.youtube.com/channel/UC1ZJ-hDUo87TAJPRjNLEPyw
UNREDD: http://www.unredd.net/community/2594-karthigesu-jeyavanan/profile.html
Academia: https://independent.academia.edu/JeyavananKarthigesu
Outreach activity
Resource Person
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
Bio system Technology for School students on Teachers conducted by Education Department in Jaffna Hindu Ladies College, Jaffna in 2014.
Coordinator and Founder of a Students' Society
Forestry Association (FORA): Students' Society of the Faculty of Agriculture established in 2017
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