Research & Publications
The history and development of our activities can be evaluated through our publications. The organization and its members have contributed to numerous publications, presentations, and academic works worldwide.
Publications
Mahanayakage C.A., Takehiro, M., Gamage, S. & Marikar, F. 2025. Factors affecting fuel-wood consumption in the central highlands and conservation drawbacks to the montane forest system in Sri Lanka. Discover Forests 1(1). DOI: 10.1007/s44415-025-00045-w.
DOI: 10.1007/s44415-025-00045-wMahanayakage C.A., Takehiro M., Gamage S., Marikar, F. 2025. Assessing the Economic and Ecological Costs of Human–Wildlife Conflict in Nuwara Eliya. Ecologies 6(1). DOI: 10.3390/ecologies6010006.
DOI: 10.3390/ecologies6010006Hettiarachchi, C., Gamage, S., Marikar, F. & Kumari, S. 2022. Relationship between ecological, morphological and genetic factors among loris species in Sri Lanka. Rev. Inst. Flor. v. 34 n. 2 p. 172-181. DOI: 10.24278/2178-5031.202234206.
Gamage, S.N., Nekaris, K.A.I. & Rudran, R. 2022. Loris tardigradus ssp. tardigradus. The IUCN Red List of Threatened Species 2022: e.T39757A17991537.
View IUCN Red List EntryGamage, S.N. 2022. Loris tardigradus ssp. parvus. The IUCN Red List of Threatened Species 2022: e.T163021284A163021344.
View IUCN Red List EntryGamage, S.N., Nekaris, K.A.I. & Rudran, R. 2022. Loris tardigradus ssp. nycticeboides. The IUCN Red List of Threatened Species 2022: e.T39756A17991511.
View IUCN Red List EntryGamage, S.N., Rudran, R., Dittus, W. & Nekaris, K.A.I. 2022. Loris lydekkerianus ssp. grandis. The IUCN Red List of Threatened Species 2022: e.T44718A17991613.
View IUCN Red List EntryGamage, S.N. 2022. Loris lydekkerianus ssp. uva. The IUCN Red List of Threatened Species 2022: e.T163020804A163020878.
View IUCN Red List EntryGamage, S.N., Rudran, R., Dittus, W. & Nekaris, K.A.I. 2022. Loris lydekkerianus ssp. nordicus. The IUCN Red List of Threatened Species 2022: e.T44721A17991639.
View IUCN Red List EntryDittus, W. & Gamage, S.N. 2020. Macaca sinica ssp. opisthomelas. The IUCN Red List of Threatened Species 2020: e.T39800A17985750.
View IUCN Red List EntryRudran, R., Dittus, W., Gamage, S.N. & Nekaris, K.A.I. 2020. Semnopithecus vetulus ssp. monticola. The IUCN Red List of Threatened Species 2020: e.T39843A17988254.
View IUCN Red List EntryGamage, S. N., Marikar F. M. M. T., Groves, C. P., Turner, C. S., Padmalal, U. K. G. K. and Kotagama, S. W. (2019). Phylogenetic relationship among slender loris species (Primates, Lorisidae: Loris) in Sri Lanka based on mtDNA COI barcoding. Turkish Journal of Zoology 43: 609-616.
Hettiarachchi, C. J., Gamage, S. N., Marikar, F. M. M. T., Mahanayakage, C. A., Padmalal, U. K. G. K. and Kotagama, S. W. (2018). Habitat Suitability Model for the Montane Slender Loris in the Hakgala Strict Nature Reserve, Sri Lanka. Asian Primates Journal, 7(1): 14-19.
Gamage, S. N, Groves, C. P., Marikar F. M. M. T., Turner, C. S., Padmalal, U. K. G. K. and Kotagama, S. W. (2017). The taxonomy, distribution and conservation status of slender lorises (Loricidae: Loris) in Sri Lanka. Primate Conservation 31: 83-106.
Gamage, S. N, Hettiarachchi, C.J., Mahanayakage, C.A., Padmalal, U. K. G. K. and Kotagama, S. W. (2016). The red slender loris (Loris tardigradus). Wildlanka 4(2): 66-74.
Gamage, S. N, Hettiarachchi, C.J., Mahanayakage, C.A., Padmalal, U. K. G. K. and Kotagama, S. W. (2015). Factors influencing site occupancy of montane slender loris (Loris tardigradus nycticeboides) in Sri Lanka. Wildlanka 3(2): 67-73.
Hettiarachchi, C.J., Gamage, S.N., Mahanayakage, C.A., Padmalal, U. K. G. K. and Kotagama, S. W. (2015). Habitat suitability modeling for montane slender loris in the Hakgala strict nature reserve: a geoinformatics approach. Wildlanka 3(3): 144-147.
Gamage, S. N., Padmalal, U. K. G. K. & Kotagama, S. W. (2014). Montane slender loris (Loris tardigradus nycticeboides) is a critically endangered primate that needs more conservation attention. Wildlanka 2: 77-83.
Gamage, S. N., Weerakoon, D. K. and Gunawardena, A. (2011). Current status of vertebrate diversity in anthropogenic and natural ecosystems in South-western Sri Lanka. Journal National Science Foundation Sri Lanka, 39(4): 383–389.
Gamage, S. N., Reardon, J. T., Padmalal, U. K. G. K. and Kotagama, S. W. (2010). First physical examination of the Horton Plains slender loris, Loris tardigradus nycticeboides, in 72 years. Primate Conservation 25: 1-4.
Gamage, S. N., Liyanage, W. K. D. D., Weerakoon, D. K., and Gunawardena, A. (2009). Habitat quality and availability of the Sri Lanka red slender loris, Loris tardigradus tardigradus (Mammalia: Primates: Lorisidae) in the Kottawa arboretum. Journal of Threatened Taxa 1(2), 65-71.
Liyanage, W. K. D. D., Gamage, S. N., Kumara, G. D. C. P., Wimalasuriya, S., Xulong, L. (2009). Analog forest eco-system as a sustainable land use for development of rural green economy; an experience from south western wet zone of Sri Lanka. In Proceedings of the ERSEC international conference on sustainable land use and ecosystem conservation, May, 2009, Beijing, P.R. China. UNESCO, Beijing. p 79-88.
Liyanage, W. K. D. D., Gamage, S. N., Xulong L., Burnet, J. E. (2009). Analog forest’s contribution to biodiversity conservation; a biodiversity assessment of an analog forest on a private property in south-western wet zone of Sri Lanka. Journal of American Science 5(2): 69-82.
Gamage, S. N., Liyanage, W. K. D. D., Gunawardena, A., Weerakoon, D. K. (2008). A comparative study of the leaf litter herpetofauna and physical parameters in different agro-eco systems (tea, rubber and oil palm) and natural rainforest in the south-western wet-zone of Sri Lanka. Journal of Environmental Research and Development 2(3): 285-294.
Gamage, S. N., Liyanage, W. K. D. D., Wimalasuriya, S., Gunawardena, A. (2007). Vertebrate’s diversity in a thirty year old analog forest in the Pitigala, Elpitiya in the Galle district of southern Sri Lanka. Ruhuna Journal of Science, Faculty of Science, University of Ruhuna, Sri Lanka. 1: 158-173.
Nekaris, K. A. I., Liyanage, W. K. D. D., and Gamage, S. N. (2005). Influence of forest structure and composition on population density of the red slender loris Loris tardigradus tardigradus in Masmullah proposed forest reserve, Sri Lanka. Mammalia 69(2), 201-210.
Presentations
Gamage, S. N, Marikar F. M. M. T., Groves, C. P., Turner, C. S., Padmalal, U. K. G. K. and Kotagama, S. W. (2018). Genetic taxonomy of slender lorises (Loricidae: Loris) in Sri Lanka. South Asian Biotechnology Conference, Colombo, Sri Lanka.
Gamage, S. N., C. J. Hettiarachchi, C. A. Mahanayakage, Padmalal, U. K. G. K. and Kotagama, S. W. (2016). Distribution and conservation status of Sri Lanka's nonhuman primates in the Central Province. Proceedings of 5th Asian Primates Symposium, Faculty of Humanities and Social Science, University of Sri Jayawardenepura, Sri Lanka. 77p.
C. A. Mahanayakage, Gamage, S. N., C. J. Hettiarachchi and Padmalal, U. K. G. K. (2016). Assessment of anthropogenic threats to the Montane slender loris in Nuwara Eliya, Sri Lanka. 5th Asian Primates Symposium, Sri Jayawardenepura, Sri Lanka.
Gamage, S. N., Padmalal, U. K. G. K. and Kotagama, S. W. (2016). Effect of vegetation difference to relative abundance and distribution of slender lorises in Sri Lanka. 5th Asian Primates Symposium, Sri Jayawardenepura, Sri Lanka.
Gamage, S. N., C. J. Hettiarachchi and Padmalal, U. K. G. K. (2016). Distribution, habitat preference and abundance of the Montane slender loris in the Horton Plains National Park, Sri Lanka. 5th Asian Primates Symposium, Sri Jayawardenepura, Sri Lanka.
Gamage, S. N., C. J. Hettiarachchi, C. A. Mahanayakage and Padmalal, U. K. G. K. (2016). Distribution and Conservation Status of Sri Lanka's Non-Human Primates in The Central Highland. 5th Asian Primates Symposium, Sri Jayawardenepura, Sri Lanka.
Gamage, S. N., C. J. Hettiarachchi, C. A. Mahanayakage and Padmalal, U. K. G. K. (2014). Distribution, habitat preferences and abundance of the Montane slender loris in the Horton Plains National Park. 77p.
Gamage, S. N., C. J. Hettiarachchi, C. A. Mahanayakage, Padmalal, U. K. G. K. and Kotagama, S. W. (2014). Factors influencing occupancy of Red slender lorises in Sri Lanka. XXVth Congress of the International Primatological Society, Hanoi, Vietnam.
Liyanage, W. K. D. D., Gamage, S. N., Kumara, G. D. C. P., Xulong, L. (2012). An assessment of the contribution of an analog forest as a sustainable land use ecosystem for the development of rural green economy in Sri Lanka. Seventeenth International Forestry and Environment Symposium, Wattala, Sri Lanka.
Gamage, S. N., Turner. C. S., Padmalal, U. K. G. K. and Kotagama, S. W. (2011). Conserving the slender lorises of Sri Lanka. Communicating Science Series, The Zoological Society of London (ZSL), Regent’s Park, London NW1 4RY.
Turner. C. S., Gamage, S. N., Padmalal, U. K. G. K. and Kotagama, S. W. (2011). The Red Slender Loris (Loris tardigradus) - creating a conservation blueprint. British Ecological Society, Tropical Ecology Group, Newcastle University, UK.
Gamage, S. N., Turner. C.S., Reardon, J. T., Padmalal, U. K. G. K. and Kotagama, S. W. (2011). Revision of taxonomy, distribution, abundance, habitat preference and conservation status of slender loris taxa (Primate: Lorisidae) in Sri Lanka. Student Conference on Conservation Science, Cambridge University, UK.
Liyanage, W. K. D. D., Gamage, S. N., Kumara, G. D. C. P., Wimalasuriya, S., Xulong, L. (2009). Analog forest eco-system as a sustainable land use for development of rural green economy; an experience from south western wet zone of Sri Lanka. The ERSEC international conference on sustainable land use and ecosystem conservation, Beijing, P.R. China.
Gamage, S. N., D. K. Weerakoon, S. W. Kotagama and Gunawardena, A. (2007). The Distribution, Abundance and Habitat Preferences of Sri Lanka Slender Loris, Loris tardigradus (Primates: Lorisidae). Proceedings of the 21st annual meeting of Society for Conservation Biology, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa.
Liyanage, W. K. D. D., Xulong, L., Gamage, S. N., Weerakoon, D. K. (2007). Vertebrate diversity of a regenerated forest in south-western wet zone of Sri Lanka with special reference to avifauna. International Congress of Environmental Research (ICER 2007), Bhopal, India.
Gamage, S. N., Liyanage, W. K. D. D., Gunawardena, A., Weerakoon, D. K. (2007). A comparative study of the leaf litter herpetofauna and physical parameters in different agro-eco systems (tea, rubber and oil palm) and natural rain forest in the south-western wet-zone of Sri Lanka. International Congress of Environmental Research (ICER 2007), Bhopal, India.
Liyanage, W. K. D. D., Gamage, S. N., Xulong L., Burnet, J. E. (2007). Analog forest’s contribution to biodiversity conservation; a biodiversity assessment of an analog forest on a private property in south-western wet zone of Sri Lanka. International workshop on environmental safety and human health. China Association of Science and Technology, Annual conference 2007, Wuhan, Hubei, P.R. China.
Gamage, S. N., Weerakoon, D. K., Liyanage, W. K. D. D., Wimalasuriya, S. H., Gunawardena, A. (2007). Participatory approach of establishing/consolidating forest corridors: A case study of the (ongoing ‘LORRIS’) participatory analogue forest corridor in the wet zone of Sri Lanka. Eco-summit 2007, Beijing, P.R. China.
Gamage, S. N., D. K. Weerakoon and Gunawardena, A. (2006). Can agro-ecosystems function as alternates to natural habitats and link natural habitat patches; A case study of vertebrate diversity in three selected agro-ecosystems in southwestern Sri Lanka. Proceedings of the international conference on Humid Tropical Ecosystems, Kandy, Sri Lanka.
Nekaris K. A. I., Troni P., Liyanage, W. K. D. D. (2004). Conserving Sri Lanka's rain forests via conservation education in Bangamukanda, Galle District. International Primatological Society Congress, Torino, Italy.