Madhumali R.M.C., Wahala W.M.P.S.B., Welikanna D.R., Dunendran P., Sanjeewani H.K.N., Samarasinghe D.P, De Costa W.A.J.M., (2022), Estimation of Canopy Leaf Area Index of Tropical Rainforests of Sri Lanka from the Normalized Difference Vegetation Index along a Wide Altitudinal Gradient, Proceedings of the 26th International Forestry and Environment Symposium 2022 of the Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, 26, pp-13

Bhagya Weththasinghe, Iroja Caldera, Nimalka Sanjeewani, Dilum Samarasinghe, Himesh Jayasinghe, Asanga Wijethunga, Janendra De Costa, (2022), Stomatal anatomy, leaf structure and nutrients of tropical rainforest tree species respond to altitude in a coordinated manner in accordance with the leaf economics spectrum, Pre print, doi: https://doi.org/10.1101/2022.01.16.476499

R.M.C. Madhumali, W.M.P.S.B. Wahala, H.K.N. Sanjeewani, D.P. Samarasinghe and W.A.J.M. De Costa, (2021), Response of Canopy Leaf Area Index and Architecture of Tropical Rainforests in Sri Lanka to Climatic Variation along an Altitudinal Gradient, Tropical Agricultural Research, Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka, 32 (1), pp.1-16 , DOI: http://doi.org/10.4038/tar.v32i1.8437

R.M.C. Madhumali, W.M.P.S.B. Wahala, H.K.N. Sanjeewani, D.P. Samarasinghe, and W.A.J.M. De Costa,(2020), Inter-Relationships Between Canopy Openness and Vegetation Diversity in Tropical Rainforests of Sri Lanka Across a Wide Altitudinal Gradient , 10th Annual Research Session of Sabaragamuwa University of Sri Lanka 16th December 2020, Sabaragamuwa University of Sri Lanka, Belihuloya, pp 58

P.H.S.C. Kumara, A.M. Kittle, A.C. Watson, H.K.N. Sanjeewani and S.J. Perera (2020), Status of Human-Leopard Interactions in Nuwara Eliya District within the Central Highlands of Sri Lanka over the Past Twenty Years, 10th Annual Research Session of Sabaragamuwa University of Sri Lanka 16th December 2020, Sabaragamuwa University of Sri Lanka, Belihuloya, pp 62

Yasanthika, W.H.P., Keerthanaram, T., Nimalka Sanjeewani, H.K., Naveendrakumar, G. and Akther, M.S.R. (2020) 'Preliminary assessment of marine phytoplankton distribution and fish-catch in Sri Lanka'. Proceedings of the First Annual Research Session (FARS) 2020, Vavuniya, Sri Lanka: Faculty of Applied Science, Vavuniya Campus of the University of Jaffna, p15.

Madhumali, R.M.C, Wahala, W.M.P.S.B, Sanjeewani, H.K.N., Samarasinghe, D.P. and De Costa W.A.J.M (2020) 'Response of Canopy Leaf Area Index and Architecture of Tropical Rainforests in Sri Lanka to Climatic Variation along an Altitudinal Gradient', Proceedings of the 32nd Annual congress of the PGIA, Postgraduate Institute of Perdeniya, University of Peradeniya, pp-33

Weththasinghe BT, Caldera HIU, De Costa WAJM, Sanjeewani HKN, Samarasinghe DP, Jayasinghe HD, Wijethunga WMGASTB (2020) 'Variation of stomatal anatomy of genus Syzygium in tropical forests along an altitudinal gradient in Sri Lanka', Proceedings of the 40th Annual Session of the Institute of Biology, Institute of Biology, Sri Lanka. Abstract no. 2-11.

Sanjeewani HKN, Samarasinghe DP, Jayasinghe HD, Gardiyawasam PH, Wahala WMPSB, Wijetunga WMGASTB, Ukuwela KDB, Gomes P, and De Costa WAJM (2020) 'Response of tree community composition, plant diversity and aboveground tree biomass in tropical rainforests of Sri Lanka to variation in altitude', Tropical Agricultural Research, Postgraduate Institute of Agriculture, University of Peradeniya, Sri Lanka, 31(1), pp.87–101. DOI: 10.4038/tar.v31i1.8346

Sanjeewani HKN, Samarasinghe DP, Jayasinghe HD, Gardiyawasam PH, Wahala WMPSB, Wijetunga WMGASTB, Ukuwela KDB, Gomes P, and De Costa WAJM (2019) 'Variation in above-ground carbon stock of selected tropical rainforests of Sri Lanka along an altitude gradient', Proceedings of the Rajarata International Research Conference (RIRC 2019), University of Rajarata, Sri Lanka, PG 119, 6-7 November 2019, p199, ISSN 2235-9710. [Best podium presentation]

Sanjeewani HKN, Samarasinghe DP, Jayasinghe HD, Gardiyawasam PH, Wahala S, Wijethunga A, Ukuwela K, and De Costa J (2019) 'Species composition and Diversity in two selected lowland tropical rainforests in Sri Lanka and their relationships to temperature and precipitation', Proceedings of the 24th International Forestry and Environment Symposium, University of Sri Jayewardenepura, Sri Lanka, Volume 24, 11-12 October 2019, p09, ISSN 2235-9427.

Sanjeewani HKN, Gilbert T, Shah P, and Patrick AES (2018) 'Social survey on drinking water sources, health issues and the current domestic treatment practices in Vavuniya district, Sri Lanka', Proceeding of the Wayamba International Conference, Wayamba University of Sri Lanka, 24-25 August 2018, pp-274.

Sanjeewani HKN, Patrick AES, and Abarna K (2018) 'Preliminary study on optimum time hardness removing ability of Stryshons Potatorum (Ingini) seeds from drinking water in Vavuniya district, Sri Lanka', Proceeding of the Wayamba International Conference, Wayamba University of Sri Lanka, 24-25 August 2018, pp-263.

Sanjeewani HKN, Andrew Kittle, Anjali Watson, and Gyanada Acharya (2017) 'Factors influencing human-leopard interaction in the Bogawanthalawa valley of Sri Lanka', Conference: Students Conference on Conservation Science 2017, UK: University of Cambridge, March 2017 DOI: 10.13140/RG.2.2.19446.80969

Kittle AM, Kumara PHSC, Pathirathna DG, Sanjeewani HKN, Seneviratne HTJ, and Watson AC (2016) 'A comparison of floral and faunal diversity between two small, disturbed forest patches in sri lanka’s central highlands, Department of Wildlife Conservation, Sri Lanka , WILDLANKA Vol.4, No.3, pp. 134 – 141

Sanjeewani HKN, Kittle AM, and Lekamge D (2016) 'Determining the abundance of prey available to leopard in a mid- elevation wet zone forest reserve in Sri Lanka: a comparison of methods', Proceeding of the Wayamba university International Conference, Sri Lanka, 19-20 August 2016,258

Acharya G, Kittle AM, Watson A, and Sanjeewani HKN (2016) 'Human-leopard interaction in Sri Lanka with a focus on the Central province hill country', Proceeding of the Wayamba university International Conference, Sri Lanka,19-20 August 2016,228

Kittle AM, Watson AC, Kumara PHC, Sandanayake SDK, Sanjeewani HKN, and Fernando TSP (2015) 'Leopard Ecology in the central highlands of Sri Lanka'. Symposium on wild cats of South Asia past and present. November 2-3, 2015.

Watson AC, Kittle AM, Sanjeewani HKN, Chanaka KumaraAnil Vithanage and Gyanada Acharya (2015) 'Human- Leopard Interaction and leopard Mortality in Sri Lanka'. Symposium on wild cats of South Asia past and present. November 2-3, 2015.

Kittle AM, Watson AC, Kumara PHC, Sandanayake SDK, Sanjeewani HKN, and Fernando TSP (2014) 'Diet, prey preference and habitat selection of the Sri Lankan leopard Panthera parduskotiya (Mammalia: Felidae) in the central highlands of Sri Lanka'. Journal of Threatened Taxa. August 2, 2014. DOI: 10.11609/JoTT.o3731.6214-21

Andrew M Kittle, Anjali C Watson, P H Chanaka Kumara and Sanjeewani HKN (2012) 'Status and distribution of the leopard in the central hills of Sri Lanka', Catnews 56 spring, pp 28-31

Sanjeewani HKN and Perera MSJ (2009) 'A Preliminary study on avifaunal diversity in the Sabaragamuwa University premises, Belihuloya, Sri Lanka'. National symposium 2009, Sabaragamuwa University.