RESEARCH PUBLICATIONS
1. Lees, N. J., Sivakumar, S., & Lucock, X. (2024). Agrifood Sustainability Transitions in Firms and Industry: A Bibliographic Analysis of Research Themes. In Sustainability (Vol. 16, Issue 16).
https://doi.org/10.3390/su16167079
2. Krishnapillai, S., Sajanthan, L., & Sivakumar, S. (2023). Households’ willingness to pay for sustainable sanitation and wastewater management in Jaffna municipal area, Sri Lanka. Journal of Environmental Studies and Sciences, 13(2), 312–320. https://doi.org/10.1007/s13412-023-00827-8
3. Raveenthiran, K., Krishnapillai, S., & Sivakumar, S. (2023). Farmers’ prioritization of dairy development strategies in Vavuniya district, Sri Lanka. Asian Journal of Agriculture and Rural Development, 13(3), 232–239.
https://doi.org/10.55493/5005.v13i3.4872
4. Krishnapillai, S., Perinpanathan, S., & Sivakumar, S. (2020). Households’ willingness to pay for quality of drinking water in Jaffna area of Sri Lanka. Journal of Water Supply: Research and Technology - AQUA, 69(6), 629–638. https://doi.org/10.2166/aqua.2020.031
5. Krishnapillai, S., Sathiyamoorthy, S., & Sivakumar, S. (2020). Fisherman’s Willingness to Pay for Sustainable Lagoon Ecosystem Management: A Locality Study in Jaffna Lagoon of Sri Lanka. Journal of Environmental Assessment Policy and Management, 22(3–4). https://doi.org/10.1142/S1464333222500089
6. Sooriyakumar, K., Sivashankar, S., & Sireeranhan, A. (2019). Farmers’ willingness to pay for the ecosystem services of organic farming: A locality study in Valikamam area of Sri Lanka. Applied Ecology and Environmental Research, 17(6), 13803–13815. https://doi.org/10.15666/aeer/1706_1380313815
CONFERENCES
-EXTENDED ABSTRACTS
1. Sivashankar, S*., Sireeranhan, A. and Sooriyakumar, K. (2017) Economic Valuation of Bio Ecosystem Services from Organic Farming in Valikamam, Jaffna, Sri Lanka. In Proceedings of the 4th Annual Research Symposium on Social Science and Humanities. Pp.65-68.
2. Vanaiya, S., Sivashankar, S*., Sooriyakumar, K. and 4. Sarujan, S (2024) Households’ Preferences for Private Tuition Attributes in Jaffna Municipal Area, Sri Lanka. In Proceedings of 6th International Symposium on Social Sciences and Humanities.
-ABSTRACTS
1. Musthifa, B., Sivashankar, S., Sooriyakumar, K., and Sarujan,S. (2025). Households’ demand for disaggregated meat products in Sri Lanka: A Censored Quadratic Almost Ideal Demand System Model. In Proceedings of the International Conference on Agriculture and Plantation Management (InCAPM), Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka on 16th - 18th May 2025.
2. Kiriyaliny, V., Sooriyakumar, K., Sivashankar, S., and Sarujan, S. (2025). Engineers’ Valuation of Ecosystem Services in Thondamanaru Lagoon: A Choice Experiment Approach. In Proceeding of the 31st Annual Sessions of Jaffna Science Association, Jaffna, Sri Lanka on 28-30 May 2025.
3. Rimsath, M., Sooriyakumar, K., Sarujan,S., and Sivashankar, S. (2025). Production efficiency of the local paddy cultivation under Valaichenai agrarian services centre area. In Proceedings of the International Conference on Agriculture and Plantation Management (InCAPM), Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka on 16th - 18th May 2025.
4. Nithila, K., Sooriyakumar, K., Sivashankar, S., and Sarujan, S. (2025). Biologist’ Willingness to Pay for Thondamanaru Lagoon Ecosystem Management: A Choice Experiment Approach. In Proceeding of the 31st Annual Sessions of Jaffna Science Association, Jaffna, Sri Lanka on 28-30 May 2025.
5. Misfa, S.L.F., Sivashankar, S., Sooriyakumar, K., and Sarujan,S. (2025). Local communities’ preferences and willingness to pay for improving tourist facilities and conservation of ecosystem in Arugambay lagoon, Sri Lanka. In Proceedings of the International Conference on Agriculture and Plantation Management (InCAPM), Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka on 16th - 18th May 2025.
6. Ratheeban, P., Sooriyakumar, K., Sarujan, S., and Sivashankar, S. (2025). Assessing the Impact of Subsidy loans from Rotary Club on Paddy farmers’ productivity in Kilinochchi, Sri Lanka. In Proceedings of the International Conference on Agriculture and Plantation Management (InCAPM), Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka on 16th - 18th May 2025.
7. Lathusha, T., Sooriyakumar, K., Sivashankar, S., and Sarujan, S. (2025). Impact of sprinkler irrigation on yield and cultivation costs in ground nut and jumbo peanut farming in Kilinochchi. In Proceedings of the 4th International Symposium on Agriculture, Faculty of Agriculture, Eastern University of Sri Lanka on 6th March 2025.
8. Jayaweera, P.T.U., Sarujan, S., Sivashankar, S., and Sooriyakumar, S. (2025). Water access and its implications on farm production: Evidence from Hakwatuna irrigation system in Kurunegala district, Sri Lanka. In Proceedings of the National Symposium on Agriculture and Life Sciences (NSALS’ 25), Uva Wellassa University, Badulla, Sri Lanka on 23rd January 2025. Received Best Poster award (3rd Prize)
9. Gurupatham, W.E.S., Sivashankar, S., Sooriyakumar, S., and Sarujan, S (2025). Estimating households’ willingness to pay for composting of solid waste: A choice experiment approach. In Proceedings of the 29th International Forestry and Environment Symposium 2025, University of Sri Jayewardene, Sri Lanka on 17th and 18th January 2025. Received Best Oral presentation award
10. Dissanayake, T.G.D.S., Sivashankar, S., Sooriyakumar, K., Kamshajini, R. (2025). Assessing Local Fishing Communities’ Willingness to Pay for Reducing Faecal and Oil
Pollution in the Negombo Lagoon. In Proceedings of the 29th International Forestry and Environment Symposium 2025, University of Sri Jayewardene, Sri Lanka on 17th and 18th January 2025.
11. Hariskar, R., Sooriyakumar, K. Sivashankar, S., and Sarujan, S (2025). Impact of the Adoption of Photovoltaic System on Households’ Energy Consumption: The Evidence from the Urban Area in Jaffna District in Northern Sri Lanka. In Proceedings of the 3rd International Conference on Multidisciplinary Research (ICMR 2025), Eastern University of Sri Lanka on 03rd and 04th January 2025. 5 Received Best Co-Investigator (Merit) award
12. Balamauran, R., Sooriyakumar, K., and Sivashankar, S.(2024). Local Fishermen’s Willingness to Accept Compensation for Commercial Sea Cucumber Farms in Jaffna Lagoon, Sri Lanka. In Proceedings of the 28th International Forestry and Environment Symposium.pp.110. Received Best Oral presentation award
13. Sivasorooban, S., Sooriyakumar, K., Aunshiya, S. and Sivashankar, S*. (2019).Impact of Different Fetilizer Subsidy on Paddy Production and Urea Application in Kilinochchi District. In Proceedings of the 12th Annual Research Forum Sri Lanka Agricultural Economics Association.Pp.06.
14. Kajanthini,S., Sooriyakumar,K and Sivashankar,S*. (2019). Impact of Sprinkler Irrigation on the Productivity of Red Onion in Jaffna District. In Proceedings of the 5th International Conference on Dry Zone Agriculture.pp.106.
15. Sarujan, S., Sivashankar, S. and Sooriyakumar, K. (2018). Supply Response of Fresh Milk in Sri Lanka. In Proceedings of the 11th Annual Research Forum Sri Lanka Agricultural Economics Association.Pp.14.
16. Hasitha,E.K., Sooriyakumar,K. and Sivashankar, S*. (2018) Impact of Fertilizer Subsidy on Paddy Production in Matale District. In Proceedings of the 4th International Conference on Dry Zone Agriculture.pp.112.
17. Parisan,S., Sooriyakumar,K. and Sivashankar, S*. (2018) Impact of Incomplete Milking on Milk Production in Kilinochchi District. In Proceedings of the 4th International Conference on Dry Zone Agriculture.pp.113.
18. Sumangkali, P., Sivashankar,S*. and Sooriyakumar,K. (2018). Consumer’s Willingness to Pay for Quality Attributes of Drinking Water from Common Tap in Jaffna Divisional Secretariat Area. In Proceedings of the 4th International Conference on Dry Zone Agriculture.pp.114.
19. Faslim, M.P.M., Sivashankar,S*. and Sooriyakumar,K. (2018). Impact of Rainfall on Coconut Production in Sri Lanka. In Proceedings of the 4th International Conference on Dry Zone Agriculture.pp.115.
20. Sooriyakumar, K., Sarujan, S. and Sivashankar, S. (2018). Fisherman’s Willingness to Pay for Sustainable Ecosystem Management of Jaffna Lagoon. In Proceedings of the 17th World Lake Conference.pp.66-69.
21. Sivashankar, S*., Sireeranhan, A. and Sooriyakumar, K. (2017) Using Choice Modeling to Value Ecosystem Services of Organic Farming in the Valikamam East, Jaffna, Sri Lanka. In Proceedings of the 3rd International Conference on Dry Zone Agriculture.pp.37
