Senior Professor
Management Studies
Email : wasantha@mgt.sab.ac.lk
1. Educational Qualifications
2. Professional Qualifications
Followed Courses and Certificates obtained as Professional Qualifications
Senior Prof. Wasantha Rathnayake is a distinguished Professor in Environmental Management attached to the Faculty of Management Studies, Sabaragamuwa University of Sri Lanka and hee is a well-known Environmentalist and Environmental Economist in Sri Lanka. He was the Vice Chancellor of Ocean University of Sri Lanka from July, 2021 to July, 2025. Before his previous assignment he served as the Environmental Specialist of Metro Colombo Urban Development Project, the World Bank funded project. He was the Dean of Faculty of Management Studies from 2011 to 2017. Prof. Rathnayake has made a great contribution towards the disaster management, conservation and management of wildlife and natural resources in Sri Lanka covering the areas of strategic planning, policy formulation and protected area management. He served as a Deputy Director at Department of Wildlife Conservation before joined the University system. He served more than five years as the Focal Point of Sri Lanka for Ramsar Convention and Indian Ocean South East Asia Memorandum of Understanding for Turtle Conservation (IOSEA). Prof. Wasantha Rathnayake is an outstanding researcher, and he has published more than 110 research articles, book chapters, conference papers and abstracts, including articles indexed in Science citation index and social science index and refereed journals. The most important thing is that his research findings are not only important for academic purposes but also very useful for the national development in Sri Lanka.
Prof. Rathnayake was awarded the CVCD Excellence Award (the Most Outstanding Senior Researcher under the category of Law and Management) in 2019. In 2018, he was awarded the Environment Award (individual category) by Sri Lanka Association for Advancement of Science.
Professor Wasantha Rathnayake has contributed to the national development as an Environmentalist, Ecotourism Planner, Environmental Impact Assessment Consultant, Environmental Economist, Wildlife Expert and Botanist in more than 50 development projects based on his experience of more than 25 years in the natural resources mangement field.Professor Wasantha Rathnayake is a Freelance Journalist and published more than 50 articles in the fields of biodiversity and environmental management, coast conservation, wildlife management, ecotourism and disaster management. He was the past President of Section F of Sri Lanka Association for Advancement of Science.
1. Member/Research Associate of South Asian Network for Development and Environmental Economics (SANDEE)
2. Member of Sri Lanka Bar Association
2. Life Member of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka
3. Steering committee member of National Green Accounting Committee
4. Past President, Vice President and Secretary of Section F of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka (SLAAS)
5. Expert/Working Group Member of IORA (Indian Ocean Rim Association)
· Environmental Economics
- Blue Economy
· Plant Ecology
· Wildlife Management
· Marine and Coastal Resources Management
· Protected Area Planning
· Park and Recreational Management
- Disaster Management
A. Policy Brief
i. R. M. W. Rathnayake (2015). Visitor entrance fees can pay for marine turtle conservation at the Rekawa sanctuary in Sri Lanka. Policy Brief 89-15, June 2015. South Asian Network for the Development and Environmental Economics (SANDEE), Kathmandu, Nepal
B. Book Chapters
i. Rathnayake, R. M. W. (2018). Threats to Sandy Shore Habitats in Sri Lanka from Invasive Vegetation In Christoper Makowski & Charles W. Finkl (Eds.), Impacts of Invasive Species on Coastal Environments. Springer International Publishing
ii. Rathnayake, R. M. W. (2018). Is Ecotourism Sustainable?ACase Study From Sri Lanka. In Robert Brinkman & Sandra J. Garren (Eds.), The Palgrave Handbook of Sustainability. Palgrave Macmillan, Springer International Publishing
iii. Rathnayake, R. M. W. (2016). Economic Valuation of Wildlife Tourism (‘Contingent Valuation Method’ Approach) in Wilderness of Wildlife Tourism, Apple Academic Press, USA. Taylor & Francis Publishing
iv. Rathnayake, R. M. W & Gunawardena, U. A. D. P. (2015). Estimation of Welfare Benefits for Recreational Planning: A case study in Kawdulla National Park in Sri Lanka. In M. Aslam, J. M. Cooper, N. Othman & A. A. Lew (Eds.), Tourism in the Global South (pp 2-27). UK: Cambridge Scholars Publishing
v. Rathnayake, R. M. W. (2019). Book Chapter on Disaster Management in Sabaragamuwa Province, in the FiveYear Vision Oriented Integrated Development Plan prepared by Sabaragamuwa Provincial Council
vi. Lakshani, W. G. S. & Rathnayake, R. M. W (2021). Estimating Welfare Benefits of Diayatha Uyana Wetland Park in Sri Lanka:An Application of Travel Cost Count Data Model. In M. M. Gunatialake, A. Dissanayake & R. Jayaweera (Eds.), Contemporary Issues in Socio-economic Development. (pp 200-214). Sri LankaNeptune Publications (Pvt) Ltd., Pelawatte, Sri Lanka
C. Research Papers
C.1.Research Papers published in Science and Social Science Citation Indexed Journals
i. Rathnayake, R. M. W. (2016). Vehicle crowding vs. consumer surplus: A case study at Wasgomuwa National Park in Sri Lanka applying HTCM approach. Tourism Management Perspectives, 20 (2016), 30–37. (Elsevier – Science Direct)
ii. Rathnayake, R. M. W. (2016). Economic values for recreational planning at Horton Plains National Park, Sri Lanka. Tourism Geographies, DOI: 10.1080/14616688.2015.1136350 (Taylor & Francis – Indexed in Social Science Citation Index)
iii. Rathnayake, R. M. W. (2016). Pricing the enjoyment of ‘elephant watching’ at the Minneriya National Park in Sri Lanka: An analysis using CVM, Tourism Management Perspectives, 18 (2016), 26–33. (Elsevier – Science Direct)
iv. Rathnayake, R. M. W. (2016). Floristic composition of sandy shore vegetation at Uswetakeiyawa in Sri Lanka. Journal of Coastal Conservation, 20(4), 327-334. (Indexed in Scopus)
v. Rathnayake, R. M. W. (2015). ‘Turtle watching’: A strategy for endangered marine turtle conservation through community participation in Sri Lanka. Ocean & Coastal Management, 119 (2016): 199-207. (Elsevier – Science Direct)
vi. Rathnayake, R. M. W. (2015). How does ‘crowding’affect visitor satisfaction at the Horton Plains National Park in Sri Lanka?. Tourism Management Perspectives, 16, 129-138. (Elsevier – Science Direct)
vii. Rathnayake, R. M. W. (2015). Willingness to pay for a novel visitor experience: ecotourism planning at Kawdulla National Park in Sri Lanka. Tourism Planning & Development, 1-15. DOI:10.1080/21568316.2015.1074095(Taylor & Francis – Indexed in Social Science Citation Index)
viii. Rathnayake, R. M. W. (2015). Estimation of the welfare benefit of boating at Maduganga Ramsar wetland in Sri Lanka. Tourism Economics.21(4), 917-926 DOI: http://dx.doi.org/10.5367/te.2014.0382 (SAGE Publications - Indexed in Social Science Citation Index)
C.2. Research Papers published in peer reviewed/refereed Journals
i. Rathnayake, R. M. W. (2021). Strategic Outcomes of and Future Outlook for Data-based Disaster Management: A Case Study in Sri Lanka. Asian Journal of Management Studies, 1(1), 27-48.
ii. Rathnayake, R. M. W. (2021). ‘Elephant Watching’ for Mitigating Human-Elephant Conflict: A Case Study in Sri Lanka. South Asian Journal of Tourism and Hospitality, 1(1), 58-82.
iii. Rathnayake, W. & Rajapakshe, H. (2018). Can ‘tourism product development’ compensate the social cost of carbon pollution? A case study in Sri Lanka. Journal of Thai Interdisciplinary Research, 13(2), 1-9.
iv. Rathnayake, R. M. W. (2015). Willingness to pay for a novel visitor experience: ecotourism planning at Kawdulla National Park in Sri Lanka. Tourism Planning & Development, 1-15. DOI:10.1080/21568316.2015.1074095
v. Rathnayake, R. M. W. (2015). Estimation of the welfare benefit of boating at Maduganga Ramsar wetland in Sri Lanka. Tourism Economics.21(4), 917-926 DOI: http://dx.doi.org/10.5367/te.2014.0382
vi. Rathnayake, R. M. W. & Ranasinghe, K. L. K. R. (2015). Assessing the Pricing Policy at Elephant Transit Home in Sri Lanka: A Travel Cost Method Approach, Wildlanka 3(3), 169-183.
vii. Rathnayake, W. (2015). "Should ‘Paraviwella Beach’ in Sri Lanka be Preserved for ‘Sea Bathing’?”: A ZTCM Approach. Sabaragamuwa University Journal, 14 (2), 86-100. DOI : http://dx.doi.org/10.4038/suslj.v14i2.7697
viii. Rathnayake, R. M. W. (2015). Recreational Planning: Estimation of Visitor Satisfaction at Kawdulla National Park in Sri Lanka, WILDLANKA, 3 (1), 38-48.
ix. Rathnayake, R. M. W. (2015). Legislative Issues in Ecotourism Development in National Parks in Sri Lanka. WILDLANKA, 3 (2), 83-94.
x. Rathnayake, R. M. W. (2014). Estimating Ecotourism Potential at Horton Plains and Kawdulla National Parks in Sri Lanka. Journal of the Department of Wildlife Conservation (WILDLANKA), 2014-2, 15-28
xi. Rathnayake, R. M. W. & Gunawardena, U. A. D. P., (2013). Enjoying Elephant Watching: A Study on Social Carrying Capacity of Kawdulla National Park in Sri Lanka. Sabaragamuwa University Journal, 12 (1), 23-39
xii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2012). Visitor Characteristics and Perceptions: Case of Horton Plains National Park in Sri Lanka. Kelaniya Journal of Management, 1(1) January-June, 81-100.
xiii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2011). Estimation of Recreational Value of Horton Plains National Park in Sri Lanka: A Decision Making for Natural Resources Management. Journal of Tropical Forestry of Environment, 01(01), 71-86.
xiv. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2009). Recreational Value of Kaudulla National Park in Sri Lanka. Sri Lanka. Journal of Real Estate, 1-21
xv. Rathnayake, R. M. W. (2006). Structural Characteristics and Floristic Composition of Hakgala Strict Nature Reserve at 1800 m. WILDLANKA, 1, 115-125.
xvi. Rathnayake, R. M. W. (1999). Undergrowth vegetation in dry mixed evergreen forest. Sri Lanka Forester, XXV (1 & 2),37-49.
xvii. Rathnayake, R. M. W. & Jayasekera, L. R. (1998). Threatened Endemic Vegetation in the Upper Montane Rain Forest in Hakgala Strict Nature Reserve. Sri Lanka Forester, XXIII (1&2), 18-22.
xviii. Rathnayake, R. M. W., Jayasekera, L. R. & Solangaarachchi, S. M. (1996). A quantitative study of overstorey vegetation of an upper montane rain forest. Sri Lanka Forester, XXII (3/4), 43-49
xix. Rathnayake, R. M. W., Solangaarachchi, S. M. & Jayasekera, L. R. (1996). A quantitative study of pygmy forest vegetation of Hakgala Strict Nature Reserve (2000m elevation). Proceedings of the 2nd Annual Forestry Symposium. University of Sri Jayewardenapura, Colombo, Sri Lanka. 215-222
C.3. Papers published in Conference Proceedings
i. Rathnayake, R. M. W. (2024). ‘Sustainability’ is a Crucial Lacuna in Fisheries Management: A Sri Lankan Experience . Proceedings of the 22nd Asia Maritime & Fisheries Universities Forum 2023, 13th November – 15th November 2024, Batumi Navigation Teaching University, Batumi, Georgia.
ii. Rathnayake, R. M. W. (2023). Turtle Watching’ for compensating the local fishermen’s hunger: A strategy for conserving the turtles. Proceedings of the 21st Asia Maritime & Fisheries Universities Forum 2023, 7th November – 10th November 2023, Maritime Academy of Asia and the Pacific, Bataan, Philippines.
iii. Rajapakshe R.M.M.H.D. & Rathnayake R. M. W. (2019). Estimating visitor satisfaction for enjoying Diyatha Uyan Wetland Park in Sri Lanka. Conference proceedings of the 02nd International Conference on Contemporary Issues in Economics, Management and Business (2nd CIEMB 2019), National Economic University, Hanoi, Vietnam. 26-27 November, 2019. 1421-1445
iv. Rathnayake, W. (2016). Creating a ‘Turtle Watching’ Niche Market for Turtle Conservation in Sri Lanka.Conference Proceedings of RSU International Research Conference 2016 held in Pathumthani, Thailand, 29 April 2016. 200-209.
v. Rathnayake, R. M. W. (2015). Economic Values for Recreational Planning: A Case Study of Horton Plains National Park in Sri Lanka. Conference Proceedings of Tropical Tourism Outlook Conference held in Lombok, Indonesia, 29-31 July 2015. 503-525
vi. Rathnayake, R. M. W. (2015). Demand for Saving Turtles at Rekawa Sanctuary, Conference Proceedings of 4th International Conference of the Sri Lanka Form of University Economists Conference held in Colombo Sri Lanka, 20-21 November 2015. 75-81
vii. Rathnayake, W. (2014). ‘Turtle Watching’ at Rekawa Sanctuary in Sri Lanka: How much is the Sri Lankans; WTP for Saving Turtles. The 5thWorld Congress of Environmental And Resource Economists from 26th June to 2nd July 2014, 2014c Istanbul, Turkey.
viii. Lakmali, J.A.S. & Rathnayake, R. M. W. (2014). How Much is the Recreational Value of Rawana Ella Waterfall in Sri Lanka? Proceedings of the 5th International Conference on Business and Information (ICBI 2014). Faculty of Commerce and Management Studies, University of Kelaniya, 123-137.
ix. Ranasinghe, R. L. K. R. & Rathnayake, R. M. W. (2014). How much is the recreational value of Udawalawe Elephant Transit Home in Sri Lanka?. Proceedings of the 5th International Conference on Business and Information (ICBI 2014), Faculty of Management Studies, University of Kelaniya, Sri Lanka, 138-152.
x. Rathnayake, R. M. W., Solangaarachchi, S. M. & JAYASEKERA, L. R. (1996). A Quantitative study of pigmy forest vegetation of Hakgala Strict Nature Reserve (2000-m elevation). Conference proceedings of the of the Second Annual Forestry Symposium, held in Kalutara, Sri Lanka 215-222.
D. Working papers
i. R. M. W. Rathnayake (2015). Estimating Demand for Turtle Conservation at Rekawa Sanctuary in Sri Lanka.Working Paper No. 92-15. South Asian Network for the Development and Environmental Economics, Kathmandu, Nepal
E. Abstracts Presented
i. Rajapakshe, R.M.M.H.D. & Rathnayake, R. M. W. (2019). Estimating visitor satisfaction for enjoying Diyatha Uyan Wetland Park in Sri Lanka. Conference proceedings of the 02nd International Conference on Contemporary Issues in Economics, Management and Business (2nd CIEMB 2019), National Economic University, Hanoi, Vietnam. 26-27 November, 2019.
ii. Rathnayake, R. M. W.(2019). Can ‘tourism product development’ compensate the social cost of carbon pollution?: A case study in Sri Lanka. Conference proceedings of the World Forum on Climate Justice Changing the narrative. 19th-21st June, Glasgow, UK, 2019.
iii. R. M. W.(2019). Exploring ‘data gaps’ in minimizing disaster impacts: A case study in Rathnapura District in Sri Lanka. International symposium on disaster resilience and sustainability development, Asian Institute of Technology, Thailand. 7th-8th March, 2019.
iv. Rathnayake, R. M. W.(2018). Invasive vegetation vs sandy shore vegetation: A case study in Sri Lanka. Conference proceedings of the International Conference on Climate Change, Biodiversity and Sustainable Agriculture (ICBSA-2018), Assam Agricultural University, Jorhat, Assam, India. 13-16 December, 2018.
iv. Rajapakshe,H. D., Karunarathna, K.A.D.P and Rathnayake R. M. W.(2018). Estimating a price structure for non marketed ‘rice medicine’in Sri Lanka. Conference proceedings of the International Conference on Climate Change, Biodiversity and Sustainable Agriculture (ICBSA-2018), Assam Agricultural University, Jorhat, Assam, India. 13-16 December, 2018
v. Jayakody, M. A. V. P. D. H. and Rathnayake, R. M. W. (2018). Willingness to pay for a reusable polythene bag: Special reference to customers in Kegalle District in Sri Lanka. Conference proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka. Anuradhapura, Sri Lanka 17-18 October 2018
vi. Karunarathne, K. A. K. D. P. and Rathnayake, R. M. W. (2018). Estimating the demand for traditional rice varieties: A case study in Gampaha District, Sri Lanka. Conference proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka. Anuradhapura, Sri Lanka 17-18 October 2018.
vii. Chathurangi, H. and Rathnayake, W. (2018). Estimating an entrance fee to elephant transit home at Udawalawe, Sri Lanka. Conference Proceedings of Wildlanka International Symposium 2018. Colombo 6-9 August 2018
viii. Anuruddhika, C. and Rathnayake, W. (2018). Exploring the willingness to pay for a 'Safari Jeep' at Udawlwe National Park in Sri Lanka. Conference Proceedings of Wildlanka International Symposium 2018. Colombo 6-9 August 2018
ix. Rathnayake, R.M.W. and Rajapakshe, R. M.M.H.D. (2017). Can 'Tourism Product Development' Compensate the Social Cost of Carbon Pollution?: A Case Study in Sri Lanka. Proceedings of the Second International Conference of Multidisciplinary Approaches on UN Sustainable Development Goals. Bangkok, Thailand. 28-29 December 2018
x. Rathnayake, R. M. W. (2017). A 'CVM' Approach to Recreational Planning: A Case Study at Wasgomuwa National Park in Sri Lanka. Conference proceedings of the 2nd South Manila Educational Consortium (SMEC) Research Congress and the 3rd International Forum on Innovative Collaborative Learning. Manila, Philliphines. 23-24 February 2017.
xi. Rathnayake, R. M. W. & Bandara, T. M. T. L. (2017). Estimating the Consumer Surplus of Enjoying the Visitor Facilities at Beddagana Wetland Park in Sri Lanka. The 2nd Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017.
xii. Rathnayake, R. M. W. & Madhushani, D. C. K. (2017). Estimating a Conservation Tax for Elephant Conservation: A Case of Pinnawala Elephant Orphanage in Sri Lanka. The second Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017
xiii. Rathnayake, R. M. W. & Dharshani, K. M. R. (2017). Estimating the Demand for Coral Conservation at Hikkaduwa National Park in Sri Lanka. The second Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017.
xiv. Shiromi, N.W.V.A. & Rathnayake R.M.W (2016). Exploring the Consumer Surplus and Demand for a Novel Visitor Experience at Kanneliya Forest Reserve in Sri Lanka. Proceedings of the 1st Intradisciplinary Conference of Management Researchers. Faculty of Management Studies, Sabaragmuawa University of Sri Lanka., BelihulOya, Sri Lanka. 10-12 August 2016.
xv. Rathnayake, R.M.W. & Ranasinghe, L.R.K.R. (2016). Assessing the pricing policy at Elephant transit home in Sri Lanka: A travel cost method approach. Proceedings of the annual session of WILDLANKA Symposium. Department of Wildlife Conservation Sri Lanka. 23rd – 24th August 2016.
xvi. Rathnayake, W. (2016). Creating a ‘Turtle Watching’ Niche Market for Turtle Conservation in Sri Lanka. Conference Proceedings of the RSU International Research Conference, Rangsit University, Pathum Thani, Thailand, 29-30 April 2016.
xvii. Rathnayake, R. M. W. (2015). Demand for Saving Turtles at Rekawa Sanctuary in Sri Lanka. Conference Proceedings of Sri Lanka Economic Research Conference (2015), Colombo, Sri Lanka. 20-21 November 2015
xviii. Rathnayake, R. M. W. (2015). Economic Values for Recreational Planning: A Case Study of Horton Plains National Park in Sri Lanka. Conference Proceedings of Tropical Tourism Outlook Conference held in Lombok, Indonesia, 29-31 July 2015. 28.
xix. Rathnayake, W. (2014). 'Turtle Watching' at Rekawa Sanctuary in Sri Lanka: How much is the Sri Lankans' WTP for Saving Turtles. The 5th World Congress of Environmental and Resource Economists from 26th June to 2nd July 2014, Istanbul, Turkey.
xx. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2014).Estimation of Welfare Benefits for Recreational Planning: A case study in Kawdulla National Park in Sri Lanka. Conference Proceedings of the 7th Tourism Outlook Conference and the 3rd Tropical Coastal and Island Tourism Conference held on 08th to 10th August 2014, Heritance Kandalama, Dambulla, Sri Lanka.
xxi. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2011). Visitor Characteristics for tourism management at Horton Plains National Park in Sri Lanka. Proceedings of the International Conference on "Modern Trends in Innovative Management". Faculty of Manageemnt Studies, Rajarata University of Sri Lanka.
xxii. Richardson, P. B., Broderick, A. C., Coyne, M.S., Ekanayake, E. M. I., Kapurusinghe, T., Premakumara, C., Rathnayake, W., Saman, M. M., Witt, M. J. & Godley, B. J. (2010). Sea turtle tracking suggests size-related differences in behaviour and range of female green turtles nesting at Rekawa wildlife sanctuary Sri Lanka. Proceedings of the 30th International annual symposium on sea turtle biology and conservation. Goa, India.
xxiii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2010). A study of generic legislative issues of ecotourism development in national parks in Sri Lanka. Proceedings of the 12th International Conference on Sri Lanka Studies. Open University of Sri Lanka, Sri Lanka: The Royal Asiatic Society of Sri Lanka.
xxiv. Rathnayake, R. M. W. (2010). Collaboration beyond the legislation: A strategy for turtle conservation in Sri Lanka. Proceedings of the 30th International annual symposium on sea turtle biology and conservation, Goa, India.
xxv. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2009). A Values-based Approach for Managing Recreation and Visitor Services in Horton Plains and Kawdulla National Parks. Proceedings of the 14th International Forestry and Environment Symposium, University of Sri Jayewardenapura, Colombo, Sri Lanka.
xxvi. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2008). Social carrying capacity of Horton Plains National Park, Sri Lanka. Proceedings of the 13th International Forestry and Environment Symposium Tangerine Hotel, Kalutara, Sri Lanka: Department of Forestry and Environmental Science, University of Sri Jayewardenapura, Sri Lanka.
xxvii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2007). Establishing visitor impact monitoring programme for Horton Plains National Park. Proceedings of the Twelfth International Forestry and Environment Symposium. Tangerine Beach Hotel, Kalutara, Sri Lanka: Department of Forestry and Environmental Sciences, University of Sri Jayewardenapura, Sri Lanka.
xxviii. Rathnayake, W. (2006). The Ecotourism Policy of the Department of Wildlife Conservation. Proceedings of the Symposium on Ecotourism in Sri Lanka: Challenges and Opportunities, Colombo, Sri Lanka
xxix.Rathnayake, W. (2005). Invasive species management: An adaptive Management Based Approach to Managing Wildlife Habitats in National Parks of Sri Lanka. Interactive Seminar/Workshop on Eradication of Invasive Species in Protected Areas managed by The Department of Wildlife Conservation, 2005 Colombo, Sri Lanka.
xxx. Rathnayake, R. M. W. (2005). An adaptive management approach to control the spread of invasive alien species in Bundala National Park, A Ramsar Wetland in Sri Lanka. Proceedings of the 10th Annual Forestry Symposium, University of Sri Jayewardenapura, Sri Lanka. 20.
xxxi. Rathnayake, R. M. W. & Gunawardena, U. (2002) Estimation of recreational value of the Wasgamuwa National Park. Proceedings of International Conference on relating the environment to regional development organized by USJ/SIDA/SAREC Research Co-operation Project and Ministry of Environment and Natural Resources, Colombo, Sri Lanka, 16-18.
xxxii. Rathnayake, R. M. W. (2002). Law Enforcement of Turtle Conservation in Sri Lanka. Proceedings of National Symposium on Sea Turtle Biology, Conservation & Management, Sri Lanka, Colombo, Sri Lanka.
xxxiii.Rathanayake, R. M. W. (2002) Initiatives between private and public sector, A seminar on Ecotourism, Sri Lanka Tourist Board, Colombo, Sri Lanka.
xxxiv. Rathnayake, R. M. W., Solangaarachchi, S. M. & Jayasekera, L. R. (1996). A quantitative study of pygmy forest vegetation of Hakgala Strict Nature Reserve (2000-m elevation). Proceedings of the 2nd Annual Forestry Symposium, 1996, Kalutara, Sri Lanka. 32.
xxxv. Rathnayake, R. M. W., Jayasekera, L. R. & Solangaarachchi, S. M. (1996). Quantitative analysis of overstorey vegetation of Hakgala Strict Nature Reserve at two elevations. Proceedings of the 52nd Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 119.
xxxvi. Rathnayake, R. M. W. & Solangaarachchi, S. M. (1996). Biodiversity of sandy shore vegetation at Palliyawatte (Hendala) in the Western Province of Sri Lanka. Proceedings of the Regional Workshop on Research for the Management of Coastal Resources in the Tropics, Colombo, Sri Lanka. 17.
xxxvii. Rathnayake, R. M. W., Jayasekera, L.R. & Solangaarachchi, S. M. (1996). Morphological diversity of overstorey vegetation of Hakgala Strict Nature Reserve at two elevations. Proceedings of the 52nd Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 118-119.
xxxviii. Rathnayake, R. M. W. & Solangaarachchi, S. M. (1995). Succession of the sandy shore vegetation at Pinwatte in the Western Province of Sri Lanka. Proceedings of the 16th Annual Workshop of the Institute of Biology, Colombo, Sri Lanka, 10
xxxix. Rathnayake, R. M. W. & Solangaarachchi, S. M. (1995). Floristic composition of sandy shore vegetation at four selected sites in the Western Province of Sri Lanka. Proceedings of the 51st Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 251-253
Magazine Articles/Newsletter Articles
Books, Monographs, Posters and Leaflets
i. A Guide to National Parks of Sri Lanka-2001, designed and prepared for Department of Sri Lanka –Book
ii. Leaflets, brochures, greeting cards, bags, and posters designed and prepared for Department of Wildlife Conservation
iii. Park Ethics/ Obata Vadanak
iv. Spend a Day with Wildlife
v. Guide Map of Wasgamuwa National Park
vi. Guide map of Ruhunu National Park
Several Newspaper Feature Articles on Wildlife Conservation/Management
Magazine Articles
i. How Much is Your Willingness to Pay for a Wildlife Safari? Prof. Wasantha Rathnayake, Tourism in Paradise. Vol. 7, October 2024, published by Department of Tourism, Sabaragamuwa university of Sri Lanka, BelihulOya, Sri Lanka
ii. Demand for Mental Wellness at Beddagana Colombo Wetland. Prof. Wasantha Rathnayake, Tourism in Paradise. January 2024 published by Department of Tourism, Sabaragamuwa university of Sri Lanka, BelihulOya, Sri Lanka
iii. Can we sell ‘Recreation’ at Diyatha Uyana? Prof. Wasantha Rathnayake, Tourism in Paradise. December 2022, published by Department of Tourism, Sabaragamuwa university of Sri Lanka, BelihulOya, Sri Lanka
iv. Taxing ‘elephant watching’ to save our giants. Prof. Wasantha Rathnayake, Management Digest Vol.1 Issue 1 2021, published by Department of Tourism, Sabaragamuwa university of Sri Lanka, BelihulOya, Sri Lanka
v. Have we practiced Ecotourism Operations at National Parks in Sri Lanka. Prof. Wasantha Rathnayake, Tip Tourism in Paradise. Vol. 04 December 2021 published by Department of Tourism, Sabaragamuwa university of Sri Lanka, BelihulOya, Sri Lanka
vi. Rathnayake, W. (2012). From Yellowstone to Horowpathana. Wildlife, Vol. 8 (1):3-6
vii. Rathnayake, W. (2014). The Role of Visitor Services and Ecotourism in National Parks. Wildlife, Vol. 10 (1):152-156
viii. Rathnayake, W. (2017). Protected Areas and Functions: Is National Park a City? Wildlife,Vol. 11 (1): 92-95
ix. Rathnayake, W. (2009). War is over-Time for Wildlife Conservation. Wildlife, Vol. 05:-32-36
x. Wildlife Protected Areas and Management. Wasantha Rathnayake, Wildlife Magazine Special Volume- 2009 October No. 05
xi. Rathnayake, W. (2003). Biodiversity, Wildlife Conservation and Sustainable Utilization of Wildlife Resources. Wildlife, Vol. 01:-10-11
xii. Rathnayake, W. (2008). History of Wildlife Conservation in Sri Lanka. Biodiversity, Wildlife Conservation and Sustainable Utilization of Wildlife Resources. Haritha Lowa,, Vol. 06:-25-26.
xiii. Rathnayake, W. (2004). Sustainable Utilization, Ecotourism and Wildlife Conservation. Wildlife, Vol. 2:10-11
xiv. Wildlife Conservation through Community Participation. Wasantha Rathnayake, Wanadivi Puwath Newsletter, Volume 1 Issue 6 , September, 2000
Newspaper Articles
i. Fishes for Heath Care. Prof. Wasantha Rathnayake, Divaina 02nd March 2025
ii. “Pigmies” in Hakgala Strict Nature Reserve. Prof. Wasantha Rathnayake, Sunday Observer, 21st July 2024
iii. The Blue Economy that needs to be brought up from the bottom of the sea. Prof. Wasantha Rathnayake, Silumina News Paper 30th June 2024
iv. Let's celebrate World Oceans Day. Prof. Wasantha Rathnayake, Silumina News Paper 09th June 2024
v. This is the only state university that offers a ship boarding certificate. Prof. Wasantha Rathnayake, Dinamina News Paper 25th march 2024
vi. Floral aliens in Hakgala Strict Nature Reserve. Prof. Wasantha Rathnayake, Sunday Observer 10th March 2024
vii. Take only photographs leave only footprints. Parks and Protected Areas (Part I). Prof. Wasantha Rathnayake, Sunday Observer. 26th June 2022.
viii. Take only photographs leave only footprints.Basis for selecting protected areas. Prof. Wasantha Rathnayake, Sunday Observer, 03rd July 2022.
ix. Take only photographs leave only footprints. Parks and Protected Areas: From Mass Tourism to Ecotourism. Prof. Wasantha Rathnayake, Sunday Observer. 17th July 2022
x. Take only photographs leave only footprints. Identifying visitor satisfaction for recreational planning in National Parks. Prof. Wasantha Rathnayake, Sunday Observer. 21st August 2022.
xi. If you move forward with Science and technology, you need not break your bones in a three wheeler. Prof. Wasantha Rathnayake, Daily News. 23rd November 2024
xii. Pillars of ‘Ecotourism’ business. Prof. Wasantha Rathnayake, Sunday Observer. 22nd May 2022
xiii. National Park: A centre for recreation or a complex of city buildings. Prof. Wasantha Rathnayake, Sunday Observer 1st May 2022
xiv. Estimating a Price Structure for Non-marketed ‘Rice Medicine’ in Sri Lanka. Prof. Wasantha Rathnayake, Sunday Observer 24th April 2022
xv. Should we promote recreational activities for conservation of Thalangama wetland? Prof. Wasantha Rathnayake, Sunday Observer 13th February 2022
xvi. ‘Sea Bathing’ for Recreational Benefits? Or Regional Development? Prof. Wasantha Rathnayake, Sunday Observer 4th July 2022
xv. Estimating a Price Structure for Non-marketed ‘Rice Medicine’ in Sri Lanka. Prof. Wasantha Rathnayake, Sunday Observer 24th April 2022.
xvi. Human resources for the blue economy. Prof. Wasantha Rathnayake, Divaina News Paper, 22nd March 2022.
xvii. We are ready to win the blue economy. Prof. Wasantha Rathnayake, Divaina News Paper. 15th February 2022
xviii. Should we promote recreational activities for conservation of Thalangama Wetland? Prof. Wasantha Rathnayake, Sunday Observer, 13th February 2022
xiv. Floral aliens in our environment. Prof. Wasantha Rathnayake, Sunday Observer. 08th August 2021.
xv. Is Ecotourism practiced in natural areas? Prof. Wasantha Rathnayake, Sunday Observer. 18th July 2021.
xvi. ‘Sea Bathing’ for Recreational Benefits? Or Regional Development? Prof. Wasantha Rathnayake, Sunday Observer 04th July 2021.
xv. To Develop or to Conserve? Colombo Wetlands for Mental Wellness. Prof. Wasantha Rathnayake, Sunday Observer, 20th June 2021
xvi. Disasters? Way Forward for a Data-based Disaster Management. Prof. Wasantha Rathnayake, Sunday Observer, 13th June 2021.
xvii. Can charge a ticket for entering Diyatha uyana Wetland Park? Prof. Wasantha Rathnayake, The Sunday Times. 02nd May 2021
xviii. ‘Turtle Watching’ to compensate the Local Fishermen’s Hunger. Prof. Wasantha Rathnayake, Sunday Observer. 25th April 2021.
xix. To avoid being affected by disaster. Prof. Wasantha Rathnayake, Divaina News Paper. 10th February 2019
xx. Disaster can strike at any time. Prof. Wasantha Rathnayake, Divaina News Paper. 3rd February 2019
xxi. The art of pre-disaster planning. Prof. Wasantha Rathnayake, Divaina News Paper. 27th January 2019
xxii. Disaster prevention is more better than disaster relief. Prof. Wasantha Rathnayake, Divaina News Paper. 20th January 2019
xxiii. Is disaster management so difficult because there is no 'data'? Prof. Wasantha Rathnayake, Divaina News Paper. 13th January 2019
xxiv. What is going on at Hikkaduwa? Prof. Wasantha Rathnayake, Divaina News Paper. 13th August 2017
xxv. From Yellowstone to the World’s End. Prof. Wasantha Rathnayake, Divaina News Paper. 18th June 2017
xxvi. The Sea Traveler to Sri Lanka. Prof. Wasantha Rathnayake, Divaina News Paper. 25th June 2017
xxvii. The true story of the turtle massacre. Prof. Wasantha Rathnayake, Divaina News Paper. 14th May 2017
xxviii. Aliens found in mountain forests. Prof. Wasantha Rathnayake, Divaina News Paper. 28th April 2017
xxix. Research works that are confined to the bookshelf. Prof. Wasantha Rathnayake, Divaina News Paper. 26th April 2017
xxx. Shall we kill elephants - shall we protect them? Prof. Wasantha Rathnayake, Divaina News Paper. 23rd April 2017
xxxi. Are wild elephants attacking villages because of unwanted trees? Prof. Wasantha Rathnayake, Divaina News Paper. 21st April 2019
xxxii. Beware of the invader. Prof. Wasantha Rathnayake, Divaina News Paper. 14th April 2019
A. Policy Brief
i. R. M. W. Rathnayake (2015). Visitor entrance fees can pay for marine turtle conservation at the Rekawa sanctuary in Sri Lanka. Policy Brief 89-15, June 2015. South Asian Network for the Development and Environmental Economics (SANDEE), Kathmandu, Nepal
B. Book Chapters
i. Rathnayake, R. M. W. (2018). Threats to Sandy Shore Habitats in Sri Lanka from Invasive Vegetation In Christoper Makowski & Charles W. Finkl (Eds.), Impacts of Invasive Species on Coastal Environments. Springer International Publishing
ii. Rathnayake, R. M. W. (2018). Is Ecotourism Sustainable?ACase Study From Sri Lanka. In Robert Brinkman & Sandra J. Garren (Eds.), The Palgrave Handbook of Sustainability. Palgrave Macmillan, Springer International Publishing
iii. Rathnayake, R. M. W. (2016). Economic Valuation of Wildlife Tourism (‘Contingent Valuation Method’ Approach) in Wilderness of Wildlife Tourism, Apple Academic Press, USA. Taylor & Francis Publishing
iv. Rathnayake, R. M. W & Gunawardena, U. A. D. P. (2015). Estimation of Welfare Benefits for Recreational Planning: A case study in Kawdulla National Park in Sri Lanka. In M. Aslam, J. M. Cooper, N. Othman & A. A. Lew (Eds.), Tourism in the Global South (pp 2-27). UK: Cambridge Scholars Publishing
v. Rathnayake, R. M. W. (2019). Book Chapter on Disaster Management in Sabaragamuwa Province, in the FiveYear Vision Oriented Integrated Development Plan prepared by Sabaragamuwa Provincial Council
vi. Lakshani, W. G. S. & Rathnayake, R. M. W (2021). Estimating Welfare Benefits of Diayatha Uyana Wetland Park in Sri Lanka:An Application of Travel Cost Count Data Model. In M. M. Gunatialake, A. Dissanayake & R. Jayaweera (Eds.), Contemporary Issues in Socio-economic Development. (pp 200-214). Sri LankaNeptune Publications (Pvt) Ltd., Pelawatte, Sri Lanka
C. Research Papers
C.1. Research Papers published in Science and Social Science Citation Indexed Journals
i. Rathnayake, R. M. W. (2016). Vehicle crowding vs. consumer surplus: A case study at Wasgomuwa National Park in Sri Lanka applying HTCM approach. Tourism Management Perspectives, 20 (2016), 30–37. (Elsevier – Science Direct)
ii. Rathnayake, R. M. W. (2016). Economic values for recreational planning at Horton Plains National Park, Sri Lanka. Tourism Geographies, DOI: 10.1080/14616688.2015.1136350 (Taylor & Francis – Indexed in Social Science Citation Index)
iii. Rathnayake, R. M. W. (2016). Pricing the enjoyment of ‘elephant watching’ at the Minneriya National Park in Sri Lanka: An analysis using CVM, Tourism Management Perspectives, 18 (2016), 26–33. (Elsevier – Science Direct)
iv. Rathnayake, R. M. W. (2016). Floristic composition of sandy shore vegetation at Uswetakeiyawa in Sri Lanka. Journal of Coastal Conservation, 20(4), 327-334. (Indexed in Scopus)
v. Rathnayake, R. M. W. (2015). ‘Turtle watching’: A strategy for endangered marine turtle conservation through community participation in Sri Lanka. Ocean & Coastal Management, 119 (2016): 199-207. (Elsevier – Science Direct)
vi. Rathnayake, R. M. W. (2015). How does ‘crowding’affect visitor satisfaction at the Horton Plains National Park in Sri Lanka?. Tourism Management Perspectives, 16, 129-138. (Elsevier – Science Direct)
vii. Rathnayake, R. M. W. (2015). Willingness to pay for a novel visitor experience: ecotourism planning at Kawdulla National Park in Sri Lanka. Tourism Planning & Development, 1-15. DOI:10.1080/21568316.2015.1074095(Taylor & Francis – Indexed in Social Science Citation Index)
viii. Rathnayake, R. M. W. (2015). Estimation of the welfare benefit of boating at Maduganga Ramsar wetland in Sri Lanka. Tourism Economics.21(4), 917-926 DOI: http://dx.doi.org/10.5367/te.2014.0382 (SAGE Publications - Indexed in Social Science Citation Index)
C.2. Research Papers published in peer reviewed/refereed Journals
i. Rathnayake, R. M. W. (2021). Strategic Outcomes of and Future Outlook for Data-based Disaster Management: A Case Study in Sri Lanka. Asian Journal of Management Studies, 1(1), 27-48.
ii. Rathnayake, R. M. W. (2021). ‘Elephant Watching’ for Mitigating Human-Elephant Conflict: A Case Study in Sri Lanka. South Asian Journal of Tourism and Hospitality, 1(1), 58-82.
iii. Rathnayake, W. & Rajapakshe, H. (2018). Can ‘tourism product development’ compensate the social cost of carbon pollution? A case study in Sri Lanka. Journal of Thai Interdisciplinary Research, 13(2), 1-9.
iv. Rathnayake, R. M. W. (2015). Willingness to pay for a novel visitor experience: ecotourism planning at Kawdulla National Park in Sri Lanka. Tourism Planning & Development, 1-15. DOI:10.1080/21568316.2015.1074095
v. Rathnayake, R. M. W. (2015). Estimation of the welfare benefit of boating at Maduganga Ramsar wetland in Sri Lanka. Tourism Economics.21(4), 917-926 DOI: http://dx.doi.org/10.5367/te.2014.0382
vi. Rathnayake, R. M. W. & Ranasinghe, K. L. K. R. (2015). Assessing the Pricing Policy at Elephant Transit Home in Sri Lanka: A Travel Cost Method Approach, Wildlanka 3(3), 169-183.
vii. Rathnayake, W. (2015). "Should ‘Paraviwella Beach’ in Sri Lanka be Preserved for ‘Sea Bathing’?”: A ZTCM Approach. Sabaragamuwa University Journal, 14 (2), 86-100. DOI : http://dx.doi.org/10.4038/suslj.v14i2.7697
viii. Rathnayake, R. M. W. (2015). Recreational Planning: Estimation of Visitor Satisfaction at Kawdulla National Park in Sri Lanka, WILDLANKA, 3 (1), 38-48.
ix. Rathnayake, R. M. W. (2015). Legislative Issues in Ecotourism Development in National Parks in Sri Lanka. WILDLANKA, 3 (2), 83-94.
x. Rathnayake, R. M. W. (2014). Estimating Ecotourism Potential at Horton Plains and Kawdulla National Parks in Sri Lanka. Journal of the Department of Wildlife Conservation (WILDLANKA), 2014-2, 15-28
xi. Rathnayake, R. M. W. & Gunawardena, U. A. D. P., (2013). Enjoying Elephant Watching: A Study on Social Carrying Capacity of Kawdulla National Park in Sri Lanka. Sabaragamuwa University Journal, 12 (1), 23-39
xii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2012). Visitor Characteristics and Perceptions: Case of Horton Plains National Park in Sri Lanka. Kelaniya Journal of Management, 1(1) January-June, 81-100.
xiii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2011). Estimation of Recreational Value of Horton Plains National Park in Sri Lanka: A Decision Making for Natural Resources Management. Journal of Tropical Forestry of Environment, 01(01), 71-86.
xiv. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2009). Recreational Value of Kaudulla National Park in Sri Lanka. Sri Lanka. Journal of Real Estate, 1-21
xv. Rathnayake, R. M. W. (2006). Structural Characteristics and Floristic Composition of Hakgala Strict Nature Reserve at 1800 m. WILDLANKA, 1, 115-125.
xvi. Rathnayake, R. M. W. (1999). Undergrowth vegetation in dry mixed evergreen forest. Sri Lanka Forester, XXV (1 & 2),37-49.
xvii. Rathnayake, R. M. W. & Jayasekera, L. R. (1998). Threatened Endemic Vegetation in the Upper Montane Rain Forest in Hakgala Strict Nature Reserve. Sri Lanka Forester, XXIII (1&2), 18-22.
xviii. Rathnayake, R. M. W., Jayasekera, L. R. & Solangaarachchi, S. M. (1996). A quantitative study of overstorey vegetation of an upper montane rain forest. Sri Lanka Forester, XXII (3/4), 43-49
xix. Rathnayake, R. M. W., Solangaarachchi, S. M. & Jayasekera, L. R. (1996). A quantitative study of pygmy forest vegetation of Hakgala Strict Nature Reserve (2000m elevation). Proceedings of the 2nd Annual Forestry Symposium. University of Sri Jayewardenapura, Colombo, Sri Lanka. 215-222
C.3.
Papers published in Conference Proceedings
i. Rathnayake, R. M. W. (2024). ‘Sustainability’ is a Crucial Lacuna in Fisheries Management: A Sri Lankan Experience . Proceedings of the 22nd Asia Maritime & Fisheries Universities Forum 2023, 13th November – 15th November 2024, Batumi Navigation Teaching University, Batumi, Georgia.
ii. Rathnayake, R. M. W. (2023). Turtle Watching’ for compensating the local fishermen’s hunger: A strategy for conserving the turtles. Proceedings of the 21st Asia Maritime & Fisheries Universities Forum 2023, 7th November – 10th November 2023, Maritime Academy of Asia and the Pacific, Bataan, Philippines.
iii.Rajapakshe R.M.M.H.D. & Rathnayake R. M. W. (2019). Estimating visitor satisfaction for enjoying Diyatha Uyan Wetland Park in Sri Lanka. Conference proceedings of the 02nd International Conference on Contemporary Issues in Economics, Management and Business (2nd CIEMB 2019), National Economic University, Hanoi, Vietnam. 26-27 November, 2019. 1421-1445
iv. Rathnayake, W. (2016). Creating a ‘Turtle Watching’ Niche Market for Turtle Conservation in Sri Lanka.Conference Proceedings of RSU International Research Conference 2016 held in Pathumthani, Thailand, 29 April 2016. 200-209.
v. Rathnayake, R. M. W. (2015). Economic Values for Recreational Planning: A Case Study of Horton Plains National Park in Sri Lanka. Conference Proceedings of Tropical Tourism Outlook Conference held in Lombok, Indonesia, 29-31 July 2015. 503-525
vi. Rathnayake, R. M. W. (2015). Demand for Saving Turtles at Rekawa Sanctuary, Conference Proceedings of 4th International Conference of the Sri Lanka Form of University Economists Conference held in Colombo Sri Lanka, 20-21 November 2015. 75-81
vii. Rathnayake, W. (2014). ‘Turtle Watching’ at Rekawa Sanctuary in Sri Lanka: How much is the Sri Lankans; WTP for Saving Turtles. The 5thWorld Congress of Environmental And Resource Economists from 26th June to 2nd July 2014, 2014c Istanbul, Turkey.
viii. Lakmali, J.A.S. & Rathnayake, R. M. W. (2014). How Much is the Recreational Value of Rawana Ella Waterfall in Sri Lanka? Proceedings of the 5th International Conference on Business and Information (ICBI 2014). Faculty of Commerce and Management Studies, University of Kelaniya, 123-137.
ix. Ranasinghe, R. L. K. R. & Rathnayake, R. M. W. (2014). How much is the recreational value of Udawalawe Elephant Transit Home in Sri Lanka?. Proceedings of the 5th International Conference on Business and Information (ICBI 2014), Faculty of Management Studies, University of Kelaniya, Sri Lanka, 138-152.
x. Rathnayake, R. M. W., Solangaarachchi, S. M. & JAYASEKERA, L. R. (1996). A Quantitative study of pigmy forest vegetation of Hakgala Strict Nature Reserve (2000-m elevation). Conference proceedings of the of the Second Annual Forestry Symposium, held in Kalutara, Sri Lanka 215-222.
D. Working papers
i. R. M. W. Rathnayake (2015). Estimating Demand for Turtle Conservation at Rekawa Sanctuary in Sri Lanka.Working Paper No. 92-15. South Asian Network for the Development and Environmental Economics, Kathmandu, Nepal
E. Abstracts Presented
i. Pilapitiya, A. R., Piyathiaka, M.A.P.C., & Rathnayake, R.M.W. (2024). Development of a low-impact product for the production of plastic tooth brushes. Conference Proceedings of The 1st International Conference on Plastics & Environmental Sustainability. The Open University of Sri Lanka. 7-8 March 2024
ii. Peiris, P.D.D., Rathnayake, R.M.W., & Ranathunga, R.A.D.C. (2020). Estimating the willingness to pay for visitor services improvements in Diyasaru Urban Wetland Park, Sri Lanka. Proceedings of the 2nd Management Undergraduates’ Research Session (MURS 2020), Sabaragamuwa university of Sri Lanka, Sri Lanka.
iii. Rajapakshe, R.M.M.H.D. & Rathnayake, R. M. W. (2019). Estimating visitor satisfaction for enjoying Diyatha Uyan Wetland Park in Sri Lanka. Conference proceedings of the 02nd International Conference on Contemporary Issues in Economics, Management and Business (2nd CIEMB 2019), National Economic University, Hanoi, Vietnam. 26-27 November, 2019.
iv. Rathnayake, R. M. W.(2019). Can ‘tourism product development’ compensate the social cost of carbon pollution?: A case study in Sri Lanka. Conference proceedings of the World Forum on Climate Justice Changing the narrative. 19th-21st June, Glasgow, UK, 2019.
v. R. M. W.(2019). Exploring ‘data gaps’ in minimizing disaster impacts: A case study in Rathnapura District in Sri Lanka. International symposium on disaster resilience and sustainability development, Asian Institute of Technology, Thailand. 7th-8th March, 2019.
vi. Rathnayake, R. M. W.(2018). Invasive vegetation vs sandy shore vegetation: A case study in Sri Lanka. Conference proceedings of the International Conference on Climate Change, Biodiversity and Sustainable Agriculture (ICBSA-2018), Assam Agricultural University, Jorhat, Assam, India. 13-16 December, 2018.
vii. Rajapakshe,H. D., Karunarathna, K.A.D.P and Rathnayake R. M. W.(2018). Estimating a price structure for non marketed ‘rice medicine’in Sri Lanka. Conference proceedings of the International Conference on Climate Change, Biodiversity and Sustainable Agriculture (ICBSA-2018), Assam Agricultural University, Jorhat, Assam, India. 13-16 December, 2018
viii. Jayakody, M. A. V. P. D. H. and Rathnayake, R. M. W. (2018). Willingness to pay for a reusable polythene bag: Special reference to customers in Kegalle District in Sri Lanka. Conference proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka. Anuradhapura, Sri Lanka 17-18 October 2018
ix. Karunarathne, K. A. K. D. P. and Rathnayake, R. M. W. (2018). Estimating the demand for traditional rice varieties: A case study in Gampaha District, Sri Lanka. Conference proceedings of the 4th International Research Symposium of Rajarata University of Sri Lanka. Anuradhapura, Sri Lanka 17-18 October 2018.
x. Chathurangi, H. and Rathnayake, W. (2018). Estimating an entrance fee to elephant transit home at Udawalawe, Sri Lanka. Conference Proceedings of Wildlanka International Symposium 2018. Colombo 6-9 August 2018
xi. Anuruddhika, C. and Rathnayake, W. (2018). Exploring the willingness to pay for a 'Safari Jeep' at Udawlwe National Park in Sri Lanka. Conference Proceedings of Wildlanka International Symposium 2018. Colombo 6-9 August 2018
xii. Rathnayake, R.M.W. and Rajapakshe, R. M.M.H.D. (2017). Can 'Tourism Product Development' Compensate the Social Cost of Carbon Pollution?: A Case Study in Sri Lanka. Proceedings of the Second International Conference of Multidisciplinary Approaches on UN Sustainable Development Goals. Bangkok, Thailand. 28-29 December 2018
xiii. Rathnayake, R. M. W. (2017). A 'CVM' Approach to Recreational Planning: A Case Study at Wasgomuwa National Park in Sri Lanka. Conference proceedings of the 2nd South Manila Educational Consortium (SMEC) Research Congress and the 3rd International Forum on Innovative Collaborative Learning. Manila, Philliphines. 23-24 February 2017.
xiv. Rathnayake, R. M. W. & Bandara, T. M. T. L. (2017). Estimating the Consumer Surplus of Enjoying the Visitor Facilities at Beddagana Wetland Park in Sri Lanka. The 2nd Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017.
xv. Rathnayake, R. M. W. & Madhushani, D. C. K. (2017). Estimating a Conservation Tax for Elephant Conservation: A Case of Pinnawala Elephant Orphanage in Sri Lanka. The second Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017
xvi. Rathnayake, R. M. W. & Dharshani, K. M. R. (2017). Estimating the Demand for Coral Conservation at Hikkaduwa National Park in Sri Lanka. The second Interdisciplinary Conference of Management Researchers, Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, BelihulOya, Sri Lanka. 19-21 October 2017.
xvii. Shiromi, N.W.V.A. & Rathnayake R.M.W (2016). Exploring the Consumer Surplus and Demand for a Novel Visitor Experience at Kanneliya Forest Reserve in Sri Lanka. Proceedings of the 1st Intradisciplinary Conference of Management Researchers. Faculty of Management Studies, Sabaragmuawa University of Sri Lanka., BelihulOya, Sri Lanka. 10-12 August 2016.
xviii. Rathnayake, R.M.W. & Ranasinghe, L.R.K.R. (2016). Assessing the pricing policy at Elephant transit home in Sri Lanka: A travel cost method approach. Proceedings of the annual session of WILDLANKA Symposium. Department of Wildlife Conservation Sri Lanka. 23rd – 24th August 2016.
xix. Rathnayake, W. (2016). Creating a ‘Turtle Watching’ Niche Market for Turtle Conservation in Sri Lanka. Conference Proceedings of the RSU International Research Conference, Rangsit University, Pathum Thani, Thailand, 29-30 April 2016.
xx. Rathnayake, R. M. W. (2015). Demand for Saving Turtles at Rekawa Sanctuary in Sri Lanka. Conference Proceedings of Sri Lanka Economic Research Conference (2015), Colombo, Sri Lanka. 20-21 November 2015
xxi. Rathnayake, R. M. W. (2015). Economic Values for Recreational Planning: A Case Study of Horton Plains National Park in Sri Lanka. Conference Proceedings of Tropical Tourism Outlook Conference held in Lombok, Indonesia, 29-31 July 2015. 28.
xxii. Rathnayake, W. (2014). 'Turtle Watching' at Rekawa Sanctuary in Sri Lanka: How much is the Sri Lankans' WTP for Saving Turtles. The 5th World Congress of Environmental and Resource Economists from 26th June to 2nd July 2014, Istanbul, Turkey.
xxiii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2014).Estimation of Welfare Benefits for Recreational Planning: A case study in Kawdulla National Park in Sri Lanka. Conference Proceedings of the 7th Tourism Outlook Conference and the 3rd Tropical Coastal and Island Tourism Conference held on 08th to 10th August 2014, Heritance Kandalama, Dambulla, Sri Lanka.
xxiv. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2011). Visitor Characteristics for tourism management at Horton Plains National Park in Sri Lanka. Proceedings of the International Conference on "Modern Trends in Innovative Management". Faculty of Manageemnt Studies, Rajarata University of Sri Lanka.
xxv. Richardson, P. B., Broderick, A. C., Coyne, M.S., Ekanayake, E. M. I., Kapurusinghe, T., Premakumara, C., Rathnayake, W., Saman, M. M., Witt, M. J. & Godley, B. J. (2010). Sea turtle tracking suggests size-related differences in behaviour and range of female green turtles nesting at Rekawa wildlife sanctuary Sri Lanka. Proceedings of the 30th International annual symposium on sea turtle biology and conservation. Goa, India.
xxvi. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2010). A study of generic legislative issues of ecotourism development in national parks in Sri Lanka. Proceedings of the 12th International Conference on Sri Lanka Studies. Open University of Sri Lanka, Sri Lanka: The Royal Asiatic Society of Sri Lanka.
xxvii. Rathnayake, R. M. W. (2010). Collaboration beyond the legislation: A strategy for turtle conservation in Sri Lanka. Proceedings of the 30th International annual symposium on sea turtle biology and conservation, Goa, India.
xxviii. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2009). A Values-based Approach for Managing Recreation and Visitor Services in Horton Plains and Kawdulla National Parks. Proceedings of the 14th International Forestry and Environment Symposium, University of Sri Jayewardenapura, Colombo, Sri Lanka.
xxix. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2008). Social carrying capacity of Horton Plains National Park, Sri Lanka. Proceedings of the 13th International Forestry and Environment Symposium Tangerine Hotel, Kalutara, Sri Lanka: Department of Forestry and Environmental Science, University of Sri Jayewardenapura, Sri Lanka.
xxx. Rathnayake, R. M. W. & Gunawardena, U. A. D. P. (2007). Establishing visitor impact monitoring programme for Horton Plains National Park. Proceedings of the Twelfth International Forestry and Environment Symposium. Tangerine Beach Hotel, Kalutara, Sri Lanka: Department of Forestry and Environmental Sciences, University of Sri Jayewardenapura, Sri Lanka.
xxxi. Rathnayake, W. (2006). The Ecotourism Policy of the Department of Wildlife Conservation. Proceedings of the Symposium on Ecotourism in Sri Lanka: Challenges and Opportunities, Colombo, Sri Lanka
xxxii. Rathnayake, W. (2005). Invasive species management: An adaptive Management Based Approach to Managing Wildlife Habitats in National Parks of Sri Lanka. Interactive Seminar/Workshop on Eradication of Invasive Species in Protected Areas managed by The Department of Wildlife Conservation, 2005 Colombo, Sri Lanka.
xxxiii. Rathnayake, R. M. W. (2005). An adaptive management approach to control the spread of invasive alien species in Bundala National Park, A Ramsar Wetland in Sri Lanka. Proceedings of the 10th Annual Forestry Symposium, University of Sri Jayewardenapura, Sri Lanka. 20.
xxiv. Rathnayake, R. M. W. & Gunawardena, U. (2002) Estimation of recreational value of the Wasgamuwa National Park. Proceedings of International Conference on relating the environment to regional development organized by USJ/SIDA/SAREC Research Co-operation Project and Ministry of Environment and Natural Resources, Colombo, Sri Lanka, 16-18.
xxxv. Rathnayake, R. M. W. (2002). Law Enforcement of Turtle Conservation in Sri Lanka. Proceedings of National Symposium on Sea Turtle Biology, Conservation & Management, Sri Lanka, Colombo, Sri Lanka.
xxxvi. Rathanayake, R. M. W. (2002) Initiatives between private and public sector, A seminar on Ecotourism, Sri Lanka Tourist Board, Colombo, Sri Lanka.
xxxvii. Rathnayake, R. M. W., Solangaarachchi, S. M. & Jayasekera, L. R. (1996). A quantitative study of pygmy forest vegetation of Hakgala Strict Nature Reserve (2000-m elevation). Proceedings of the 2nd Annual Forestry Symposium, 1996, Kalutara, Sri Lanka. 32.
xxxviii. Rathnayake, R. M. W., Jayasekera, L. R. & Solangaarachchi, S. M. (1996). Quantitative analysis of overstorey vegetation of Hakgala Strict Nature Reserve at two elevations. Proceedings of the 52nd Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 119.
xxxix. Rathnayake, R. M. W. & Solangaarachchi, S. M. (1996). Biodiversity of sandy shore vegetation at Palliyawatte (Hendala) in the Western Province of Sri Lanka. Proceedings of the Regional Workshop on Research for the Management of Coastal Resources in the Tropics, Colombo, Sri Lanka. 17.
xl. Rathnayake, R. M. W., Jayasekera, L.R. & Solangaarachchi, S. M. (1996). Morphological diversity of overstorey vegetation of Hakgala Strict Nature Reserve at two elevations. Proceedings of the 52nd Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 118-119.
xli. Rathnayake, R. M. W. & Solangaarachchi, S. M. (1995). Succession of the sandy shore vegetation at Pinwatte in the Western Province of Sri Lanka. Proceedings of the 16th Annual Workshop of the Institute of Biology, Colombo, Sri Lanka, 10
xlii.Rathnayake, R. M. W. & Solangaarachchi, S. M. (1995). Floristic composition of sandy shore vegetation at four selected sites in the Western Province of Sri Lanka. Proceedings of the 51st Annual Session of Sri Lanka Association for the Advancement of Science, Colombo, Sri Lanka. 251-253
F. Magazine Articles/Newsletter Articles
i. Rathnayake, W. (2017). Protected Areas and Functions: Is National Park a City? Vol. 11 (1): 92-95
ii. Rathnayake, W. (2014). The Role of Visitor Services and Ecotourism in National Parks. Wildlife, Vol. 10 (1):152-156
iii.Rathnayake, W. (2012). From Yellowstone to Horowpathana. Wildlife, Vol. 8 (1):3-6
iv. Rathnayake, W. (2004). Sustainable Utilization, Ecotourism and Wildlife Conservation. Wildlife, Vol. 2:10-11
v. Rathnayake, W. (2010). War is over-Time for Wildlife Conservation. Wildlife, Vol. 06:4-6
vi. Rathnayake, W. (2009). War is over-Time for Wildlife Conservation. Wildlife, Vol. 05:-32-36
vii. Rathnayake, W. (2003). Biodiversity, Wildlife Conservation and Sustainable Utilization of Wildlife Resources. Wildlife, Vol. 01:-10-11
viii. Rathnayake, W. (2008). History of Wildlife Conservation in Sri Lanka. Biodiversity, Wildlife Conservation and Sustainable Utilization of Wildlife Resources. Haritha Lowa,, Vol. 06:-25-26.
G.
Books, Monographs, Posters and Leaflets
i. A Guide to National Parks of Sri Lanka-2001, designed and prepared for Department of Sri Lanka –Book
ii. Leaflets, brochures, greeting cards, bags, and posters designed and prepared for Department of Wildlife Conservation
iii. Park Ethics/ Obata Vadanak
iv. Spend a Day with Wildlife
v. Guide Map of Wasgamuwa National Park
vi. Guide map of Ruhunu National Park