Prof. P. Nihal Dayawansa
Department of Zoology and Environment Sciences
Publications
Seroprevalence of Toxoplasma gondii in Cats from Colombo, Sri Lanka
V.A. Kulasena, R.P.V.J. Rajapakse J.P. Dubey, P.N. Dayawansa, and S. Premawansa (2011) Seroprevalence of Toxoplasma gondii in Cats from Colombo, Sri Lanka Journal of Parasitology Vol.97(1)
Manual for Ecosystem Conservation and Wildlife Protection in Tea Estates of Mild- and Upcountry of Sri Lanka
Dayawansa P. N. and Mapatuna Y. (2011) Manual for Ecosystem Conservation and Wildlife Protection in Tea Estates of Mild- and Upcountry of Sri Lanka, Praguna Educational Services Limited, ISBN 978-955-0836-05-3
Utility of feathers as a non-invasive source of mtDNA for PCR amplification of Cytochrome Oxidase c subunit I gene
Wedage, Irushinie R., Weerakoon, D. K., Kotagama, S., Dayawansa P. N., Dangalle, C., and Fernandopulle N. D. (2009) Utility of feathers as a non-invasive source of mtDNA for PCR amplification of Cytochrome Oxidase c subunit I gene, Proceedings of the 14th International Forestry and Environment Symposium, 103p (Poster Presentation)
Sero-prevalence of Toxoplasma gondii in cats in the city of Colombo and suburbs
V.A. Kulasena, R.P.V.J. Rajapakse, P.N. Dayawansa and S. Premawansa (2009) Sero-prevalence of Toxoplasma gondii in cats in the city of Colombo and suburbs, Fourth Biennial Scientific Session of Allergy and Immunology Society of Sri Lanka
Sero-prevalence for Leptospira spp. in murid rodents with relation to wild, urban and urban-wild interface habitats in the wet zone of Sri Lanka
N.M.M. Jayamanne, G.A. Gunawardene, P.N. Dayawansa and S. Premawansa (2009) Sero-prevalence for Leptospira spp. in murid rodents with relation to wild, urban and urban-wild interface habitats in the wet zone of Sri Lanka, Fourth Biennial Scientific Session of Allergy and Immunology Society of Sri Lanka
Pioneer efforts of DNA barcoding birds of Sri Lanka
Wedage, Irushinie R., Weerakoon, Dayawansa P. N., D. K., Kotagama, S., Dangalle, C., and Fernandopulle N. D. (2009) Pioneer efforts of DNA barcoding birds of Sri Lanka, Proceedings of the 14th International Forestry and Environment Symposium, 105p (Poster Presentation)
Levels of heavy metal uptake by Abelmoschus esculentus and Buchole dactyloides grown in a damaged dry-battery disposal site in the wet zone of Sri lanka
Weerasinghe, S., Dayawansa P. N., and Perera R. (2009) Levels of heavy metal uptake by Abelmoschus esculentus and Buchole dactyloides grown in a damaged dry-battery disposal site in the wet zone of Sri lanka. Proceedings of the 14th International Forestry and Environment Symposium,
Impact of environmental stochasticity on composition and dispersion of aquatic birds of the Lunawa lagoon (Western Province): A case study
Wedage, Irushinie R., Wickramasinghe W. R. M. N. K. and Dayawansa P. N. (2009) Impact of environmental stochasticity on composition and dispersion of aquatic birds of the Lunawa lagoon (Western Province): A case study, Proceedings of the 29th Annual session of Biology, Sri Lanka.
An investigation of anti-Toxoplasma gondii antibody in murid rodents with respect to different habitat types of the wet zone in Sri Lanka
N.M.M. Jayamanne, R.P.V.J. Rajapakse, P.N. Dayawansa and S. Premawansa (2009) An investigation of anti-Toxoplasma gondii antibody in murid rodents with respect to different habitat types of the wet zone in Sri Lanka, Fourth Biennial Scientific Session of Allergy and Immunology Society of Sri Lanka
Abundance and distribution of House Crow (Corvus splendens) in the Moratuwa Municipal Area with some notes on ranging behaviour
Weerasinghe, Hirantha B., Wedage, Irushinie R., Fernando, Nuwan A. and Dayawansa P. N. (2009) Abundance and distribution of House Crow (Corvus splendens) in the Moratuwa Municipal Area with some notes on ranging behaviour, Proceedings of the 29th Annual session of Biology, Sri Lanka.
Two new species of Lankascincus (Squamata: Sincidae) from Sri Pada sanctuary, Sri Lanka
Two new species of Lankascincus (Squamata: Sincidae) from Sri Pada sanctuary, Sri Lanka. Mendis-Wickramasinghe L. J., Rodrigo R., Dayawansa N. and Jayantha U L D (2007) Zootaxa 1612, 1-24.
Study of floristic and edaphic factors of the Waturana swamp forest
Weerakoon, G., Kathriaarachchi, H., Samarappuli, L and Dayawansa, P. N. (2007) Study of floristic and edaphic factors of the Waturana swamp forest, Proceedings of the 12th International Forestry and Environment Symposium. 31p.
Biodiversity Baseline Survey: Ritigala Strict Nature Reserve
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) Biodiversity Baseline Survey: Ritigala Strict Nature Reserve, Editor: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Project, Department of Wildlife Conservation, Sri Lanka
Biodiversity Baseline Survey: Peak Wilderness Sanctuary
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) Biodiversity Baseline Survey: Peak Wilderness Sanctuary, Editor: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Project, Department of Wildlife Conservation, Sri Lanka
Biodiversity Baseline Survey: Minneriya National Park
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) Biodiversity Baseline Survey: Minneriya National Park, Editor: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Project, Department of Wildlife Conservation, Sri Lanka
Biodiversity Baseline Survey: Horton Plains National Park
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) Biodiversity Baseline Survey: Horton Plains National Park, Editor: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Projected, Department of Wildlife Conservation, Sri Lanka
Biodiversity Baseline Survey: Field Study Techniques Manual
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) Biodiversity Baseline Survey: Field Study Techniques Manual, Editor: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Project, Department of Wildlife Conservation, Sri Lanka
http://www.dwe.gov.lk/Aoldsite/documents%20in%20word%20and%20pdf/BBS_Field_Manual.pdf
Behavioural Ecology of rehabilitated juvenile elephants- Phase 2- Airawana: Serial Publication of the project ELEMONI-SL; Juvenile Elephant Monitoring Project, Udawalawa National Park
Jayantha D., and Dayawansa P. N. (2007) Behavioural Ecology of rehabilitated juvenile elephants- Phase 2- Airawana: Serial Publication of the project ELEMONI-SL; Juvenile Elephant Monitoring Project, Udawalawa National Park: University of Colombo and Department of Wildlife Conservation. ISBN 35-103-06
An assessment of Toxoplasmosis in Murid Rodents in Wild and Urban-wild populations with respect to Habitat Conditions
Jayamanne, M, Rjapaksha, J., Premawansa, S. P. and Dayawansa, P. N. (2007) An assessment of Toxoplasmosis in Murid Rodents in Wild and Urban-wild populations with respect to Habitat Conditions Proceedings of the 27th Annual session of Biology, Sri Lanka.
M.D. Ajantha U. De Alwis, P. Nihal Dayawansa, Ric How, B.M.P. Singhakumara, Devaka Weerakoon, Mayuri R. Wijesinghe (2007) A guide to the Horton Plains National Park: Michael J.B. Green: Protected Areas Management and Wildlife Conservation Project, Department of Wildlife Conservation, Sri Lanka ISBN 978-955-1580-30-08
Logistic growth and carrying capacity of house crow (Corvus splendens) population in the City of Colombo
Dayawansa, P. N., Rathnaweera, P. B. ., Keeragala, N. D., Masinghe, S., Lelwala L. H. D. S and Kotagama S. W. (2006) Logistic growth and carrying capacity of house crow (Corvus splendens) population in the City of Colombo. Proceedings of the 26th Annual session of Biology, Sri Lanka. 44p.
Dispersion of aquatic birds in the Lunawa Lagoon in relation to habitat diversity
Wickramasinghe W. R. M. N. K. and Dayawansa, P. N. (2006) Dispersion of aquatic birds in the Lunawa Lagoon in relation to habitat diversity. Proceedings of the 26th Annual session of Biology, Sri Lanka. 50p.
Behavioural Ecology of rehabilitated juvenile elephants- Phase 1- Airawana: Serial Publication of the project ELEMONI-SL; Juvenile Elephant Monitoring Project, Udawalawa National Park
Jayantha D., and Dayawansa P. N. (2006) Behavioural Ecology of rehabilitated juvenile elephants- Phase 1- Airawana: Serial Publication of the project ELEMONI-SL; Juvenile Elephant Monitoring Project, Udawalawa National Park: University of Colombo and Department of Wildlife Conservation. ISSN 35-103-06
Trapping efficiency of Sherman and Longworth traps for small mammals of a rainforest in Sri Lanka
Dayawansa, P. N., Lelwala L. H. D. S and Dayantha O. V. (2005) Trapping efficiency of Sherman and Longworth traps for small mammals of a rainforest in Sri Lanka. Proceedings of the 25th Annual session of Biology, Sri Lanka. 40p.
Notes on some aspects of the breeding behaviour pattern of Spot-billed Pelican (Pelicanus phillippensis) in the Colombo (Beira) Lake
Adhikaram C. and Dayawansa, P. N. (2005) Notes on some aspects of the breeding behaviour pattern of Spot-billed Pelican (Pelicanus phillippensis) in the Colombo (Beira) Lake. Proceedings of the 25th Annual session of Biology, Sri Lanka. 42p.
Nesting studies of the house crow (Corvus splendens) in the City of Colombo
Hapangama H. A. D. C. and Dayawansa, P. N. (2005) Nesting studies of the house crow (Corvus splendens) in the City of Colombo. Proceedings of the 25th Annual session of Biology, Sri Lanka. 41p.
How do weed mats impact on the foraging behaviour of wading birds in the Bundala lagoon, Sri Lanka?
Lelwala L. H. D. S and Dayawansa, P. N. (2005) How do weed mats impact on the foraging behaviour of wading birds in the Bundala lagoon, Sri Lanka?. Proceedings of the 26th Annual session of Biology, Sri Lanka. 49p
Behaviour of the Juvenile Asian Elephants in the Panicum maximum dominated grasslands in the Udawalawa National Park
Jayantha D., Dayawansa P. N. , U. K. G. K. Padmalal and Ratnasooriya, W. D. (2005) Behaviour of the Juvenile Asian Elephants in the Panicum maximum dominated grasslands in the Udawalawa National Park. Proceedings of the 10th International Forestry and Environment Symposium, 33p.
Some Aspects of Behaviour of Juvenile Elephants at the Elephant Transit Home, Udawalawa, Sri Lanka
Jayantha D., Jayawardena S. and Dayawansa P. N. (2004) Some Aspects of Behaviour of Juvenile Elephants at the Elephant Transit Home, Udawalawa, Sri Lanka. Elephant Symposium, Pilanesberg NP, South Africa.
Waders in Sri Lanka: A guide to their identification and study
Dayawansa, P. N. and Wijesinghe, Mayuri R. (2002) Waders in Sri Lanka: A guide to their identification and study. National Science Foundation. ISBN 955-590-035-3