Dr R. L. Jayaratne

Current Researches and Projects

• Measurement of mercury levels in aquatic avifauna and ecosystems in Kandy and Anuradhapura districts in Sri Lanka.

Publications

• De silva, anslem., a. Bauer, c. C. Austin, s. Goonewardene,, z. Hawke, v. Vanneck, a. Drion, p. De silva, b. J. K. Perera, R. L. Jayaratne & m. M. Goonasekera. 2004. Distribution and the natural history of Calodactylodes illingworthorum (Reptilia: Gekkonidae) in Sri Lanka: preliminary findings. In: de Silva, Anslem (Editor). 2004. The herpetology of Sri Lanka: current research (Including the Proceedings of the Fourth World Congress of Herpetology, Sri Lankan papers and the Nilgala Expedition papers). Lyriocephalus Special Issue, 2004, Vol. 5, Nos. 1 & 2: 192 – 198.

• Anslem de silva., a. Bauer, c. C. Austin, s. Goonewardene,, z. Hawke, v. Vanneck, a. Drion, p. De silva, b. J. K. Perera, R. L. Jayaratne & m. M. Goonasekera. 2004. Some cultural traits of the inhabitants of the nilgala fire savannah, Sri Lanka, towards animals: with special reference to the herpetofauna. In: de Silva, Anslem (Editor). 2004. The herpetology of Sri Lanka: current research (Including the Proceedings of the Fourth World Congress of Herpetology, Sri Lankan papers and the Nilgala Expedition papers). Lyriocephalus Special Issue, 2004, Vol. 5, Nos. 1 & 2: 183 – 191.

• Anslem de silva., a. Bauer, c. C. Austin, s. Goonewardene,, z. Hawke, v. Vanneck, a. Drion, p. De silva, b. J. K. Perera, R. L. Jayaratne & m. M. Goonasekera. 2004. The diversity of nilgala forest, Sri Lanka with special reference to its herpetofauna. In: de Silva, Anslem (Editor). 2004. The herpetology of Sri Lanka: current research (Including the Proceedings of the Fourth World Congress of Herpetology, Sri Lankan papers and the Nilgala Expedition papers). Lyriocephalus Special Issue, 2004, Vol. 5, Nos. 1 & 2: 164 – 181.

• Anslem de Silva, A. M. Bauer, B. J. K. Perera, R. L. Jayaratne, M. M. Goonasekera. S. Goonawardena, Z. Hawke, V. Vanneck & A. Drion, 2005. Some aspects of the knowledge of and attitudes towards geckos by students near the Nilgala Forest, Sri Lanka, Geckko, 4(2): 32-36

• Anslem de Silva, A. Bauer, C.C. Austin, S. Goonawardena, Z. Hawke, V. Vanneck, A. Drion, P. de Silva, B. J. K. Perera, R. L. Jayaratne & M. M. Goonasekera. 2004. The diversity of Nilgala forest, Sri Lanka, with special reference to its herpetofauna. Reprinted in Diversity of Nilgala Fire Savannah, Sri Lanka: with special reference to its herpetofauna. (Editors) Suraj Goonewardene, Zoe Hawke, Vannessa Vanneck, Anslem de Silva, Ravi Jayaratne & Janaka Perera.

• Anslem de Silva, A. Bauer, C. C. Austin, S. Goonawardena, Z. Hawke, V. Vanneck, A. Drion, B. J. K. Perera, R. L. Jayaratne & M. M. Goonasekera. 2004. Cultural traits of the inhabitants of the Nilgala fire savannah, Sri Lanka, towards animals: with special reference to the herpetofauna. Reprinted in Diversity of Nilgala Fire Savannah, Sri Lanka: with special reference to its herpetofauna.(Editors) Suraj Goonewardene, Zoe Hawke, Vannessa Vanneck, Anslem de Silva, Ravi Jayaratne & Janaka Perera.

• Anslem de Silva, Aaron Bauer, C. C. Austin, S. Goonawardena, Z. Hawke, V. Vanneck, A. Drion, , P. de Silva, B. J. K. Perera, R. L. Jayaratne & M. M. Goonasekera. 2004. Distribution and natural history of Calodactylodes illingworthorum (Reptilia: Gekkonidae) in Sri Lanka: preliminary findings. Reprinted in Diversity of Nilgala Fire Savannah, Sri Lanka: with special reference to its herpetofauna. (Editors) Suraj Goonewardene, Zoe Hawke, Vannessa Vanneck, Anslem de Silva, Ravi Jayaratne & Janaka Perera.

• Jayaratne, R., Perera, I., et al. 2016. Dietary assessment of Little Egrets (Egretta garzetta) by analyzing regurgitated materials during their breeding seasons in Sri Lanka. NeBIO, 7(No 4), 170-178.

• Jayaratne, R., Perera, I., et al. 2016. Do Cattle egrets Bubulcus ibis in Sri Lanka migrate to breed? Indian BIRDS, 11(No 3), 69-70.

• Jayaratne, R., Perera, I., et al. 2017 Feathers and egg shells of Intermediate Egret (Ardea intermedia) as a bio monitoring tool for Mercury, Arsenic, Cadmium and Lead pollution in Sri Lanka.NeBIO, 8(No 4)

• Ravindra Lakshantha Jayaratne, Inoka Chinthana Perera, Devaka Keerthi Weerakoon, Sarath Wimalabandara Kotagama. Feathers of Little Egret (Egretta garzetta) Fledglings as a Bio Monitoring Tool for Mercury, Arsenic, Cadmiumand Lead Pollution in Sri Lanka. International Journal of Ecotoxicology and Ecobiology. Vol. 4, No. 4, 2019, pp. 103-113. doi: 10.11648/j.ijee.20190404.14

• Jayaratne, R.L., Nathaneal, S. and Edirisinghe, U. (2007). Diversity and distribution of freshwater fishes in Rawan Oya, a perennial stream in mid country wet zone of Sri Lanka. Paper presented at the 1st Annual Session, Rajarata University of Sri Lanka.

• Jayaratne, R.L., Perera, B.J.K.and Sriyani, W.M. (2009) Communal Roosting Behaviour of Riparian Water Birds. Paper presented at the 2nd Annual Session, Rajarata University of Sri Lanka.

• Surasinghe, T.D. and Jayaratne, R.L. (2009). Avifauna in the Environs of the Polgolla Reservoir. Paper presented at the 2nd Annual Session, Rajarata University of Sri Lanka.

• Jayaratne, R., Perera, I., et al. 2014. Assessment of heavy metal pollution in selected locations in Sri Lanka using feathers of the Intermediate egret (Ardea intermedia) as a bio-monitoring tool. Paper presented at the Proceedings of HETC Symposium

• Jayaratne, R., Perera, I., et al. 2014. Effect of day length, temperature, rainfall and wind speed on roosting behavior of Cattle egrets (Bubulcus ibis) in Sri Lanka. Paper presented at the Proceedings of World Biodiversity Congress.

• Jayaratne, R., Perera, I., et al. 2014. Cattle egret (Bubulcus ibis) as a bio-monitor of heavy metal pollution in Sri Lanka. Paper presented at the Proceedings of SLAAS Annual Scientific Session.

• Jayaratne, R., Perera, I., et al. 2014. Cattle egrets (Bubulcus ibis) control the population of House flies (Musca domestica) at Digana garbage dumping site, Kandy Sri Lanka. Paper presented at the Proceedings of International Forestry and Environment Symposium.

• Jayaratne, R., Perera, I., et al. 2015. Assessment of environmental pollutants using fledgling feathers of Little egret (Egretta garzetta) as a bio monitoring tool in Sri Lanka. Paper presented at the Proceedings of annual sessions of Institute of Biology.

• Jayaratne, R., Perera, I., et al. 2015. Cattle Egrets (Bubulcus ibis) Control the Population of House Flies (Musca domestica) in Garbage Dumping Sites: A Comparison between Two Garbage Dumping Sites, Kandy, Sri Lanka. Paper presented at the Proceedings of International Forestry and Environment Symposium.

• Jayaratne, R., Perera, I., et al. 2015. Little egret feathers as a bio monitoring tool for mercury in aquatic ecosystems of Sri Lanka. Paper presented at the Proceedings of International Water Symposium.

• Jayaratne, R., Perera, I., et al. 2016. Dietary assessment of Little Egrets (Egretta garzetta) by analyzing regurgitated materials During their breeding seasons in Sri Lanka. Paper presented at the Proceedings of Wild Lanka symposium.

• Swarnahansi, K R S, Jayaratne,R. 2018. Nesting Ecology of water bird species in Kandy Lake, Kandy, Sri Lanka. Paper presented at the Proceedings of International Forestry and Environment Symposium.

• Jayaratne, R., Perera, I., et al. 2016. Investigation of Little Egret (Egretta garzetta) Feathers as a Bio Monitoring Tool for Heavy Metal Pollution in Sri Lanka.Paper presented at the Proceedings of SETAC Singapore.