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  • De Alwis, D.P., Pereira, R., Yatapana, H. and Dassanayake , N.H. (1986). Monitoring of Industrial Effluents with a View to Pollution Control. Paper presented at 43rd Annual Sessions of the Sri Lanka Association for the Advancement of Science. Colombo .
 
  • Dassanayake, N.H., De Alwis, P., Pereira, R. (1988). Nuwara Eliya Lake - Preliminary Results of an Environ­mental Survey. Presented at the 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science. Colombo
 
  • Dassanayake, N.H., De Alwis, P., Pereira, R. (1988). Water Quality of Belihul Oya at Horton Plains. Presented at the 44th Annual Sessions of the Sri Lanka Association for the Advancement of Science. Colombo .

 
  • Dassanayake , N.H. (1989). Marine Environmental Protection of Sri Lanka . Country paper presented at an International Training Course on Marine Enclosure Ecosystem Experiments. Xiamen , P.R.China
 
  • Namaratne, S.Y. and Dassanayake , N.H. (1992). Pollution and Post Harvest Handling Aspects of Three Selected Fishery Harbour of Sri Lanka - Tangalle, Galle & Beruwala. Proceedings of the Workshop on Cleaner Fishery Harbours of the Bay of Bengal Region. Penang , Malaysia 1991. Bay of Bengal Programme : Environment, BOBP/WP/82, Madras .

 
  • De Alwis, P. and Dassanayake , N.H. (1993). Water Quality of Koggala Lagoon Prior to the Industrialization of the Area. Presented at the Annual Scientific Sessions of the National Aquatic Resources Agency
 
  • Azmy, S.A.M., de Alwis, P. and Dassanayake, N.H. (1993) Water Quality in the Irrigation Net Work of the Mahaweli H system. Presented at the Annual Scientific Sessions of the National Aquatic Resources Agency.

 
  • Dassanayake , N.H. (1994). Marine Environmental Pollution and Its Impacts on Fishery Resources of Sri Lanka . In An Environmental Assessment of the Bay of Bengal Region, in Staffan Holmgran edn., BOBP/REP/67. Bay of Bengal Programme
 
  • Hemantha Dassanayake, de Alwis, Padmini. and Azmy, S.A.M. (1994). Pollution Status of Hikkaduwa Marine Sanctuary. Presented at the Annual Scientific Sessions of the National Aquatic Resources Agency.

 
  • De Alwis, Padmini., Ariyaratne, Soma., Azmy, S.A.M. and Dassanayake , N.H. (1994) Environmental Pollution and Its Impacts on Fishery Management - Lunawa Lagoon. Sri Lanka/FAO National Workshop on Development of Community-based Fishery Management Systems, Colombo , Sri Lanka .

 
  • De Alwis, Padmini and Dassanayake , N.H. (1995). Enrichment of plant nutrients and pollutants in Nuwara Eliya Lake, an upcountry reservoir of Sri Lanka., Proceedings of the 6th International Conference on the Conservation and Management of Lakes - Kasumigaura 95. Japan .

 
  • Dassanayake , N.H. (1996). Environmental Degradation Caused by Fishery Harbours and Fishing Boats and Mitigatory Measures. Presented at a National Seminar on the Prevention of Marine Pollution of Sri Lanka , May 1996, Colombo
 
  • Hemantha Dassanayake, Jayatunga, Y.N.A. and Padmini de Alwis. (1997). Water Quality of Hamilton Canal, a man made water body associated with a coastal wetland of Sri Lanka . Presented at Annual Sessions of the Sri Lanka Association for Fisheries and Aquatic Resources, Colombo
 
  • De Alwis and Hemantha Dassanayake. (1997). Correlation Between the Water Quality and the Reduction of Plankton Biodiversity in an Urban Lake in Sri Lanka . Twelfth New Zealand International Conference on Asian Studies, Massay University , New Zealand , Nov. 1997.

 
  • Wijesekara R.D.S.S., Dassanayake N.H. , Jayasinghe J.M.P.K. and U. Edirisinghe (1998), Water quality conditions in main water source for shrimp culture and in effluent. Sessions of the Sri Lanka Association of Animal Production, ICEAPH, Peradeniya, 19 - 20th June 1998.
 
  • Hemantha Dassanayake (1999). The impacts of oil spills in Marine Environment. Presented at a seminar held in Colombo .
 
  • Wickramarachchi, W. D. N. , Bandara J.M.R.S., Perera M.W.P., Potential Ecological Hazard Associated with Agrochemicals in Dry zone of Sri Lanka. International workshop on Fisheries and Aquatic Research in Sri Lanka, SIDA/SAREC meeting in National Aquatic Resources Research and Development Agency (NARA) in March 29-31,2005
 
  • M. W. P. Perera, Kodituwakku S., Sureshkumar N., Soares A.M.V.M., Little D.C., Van den Brink P. J., Yakupitiyage A., Beltman W., Carder F.A., Sampath A., Wickramarachchi W.D.N., Kumara M.M.S.P. Importance of the Baseline Information Used to Assess the Preliminary Environmental and Human Health Risks Associated with Pesticides in the Dry Zone of Sri Lanka. SETAC Europe 14th Annual Meeting in Prague, Czech Republic in April 2004.
 
  • Perera M.W.P., Soares A.M.V.M., Little D.C., Kodithuwakku S.S., Sureshkumar N., Van den Brink, P.J., Yakupitiyage A., Satapornvanit K., Wickramarachchi W.D.N. , Kumara M.M.S.P., Herath J. H. A. D, . An approach to assess, the effects of pesticides on multiuse aquatic systems in Sri Lanka . SETAC world congress and 25 th Annual Meeting at Portland , Oregon , USA from 14-18 November 2004.
 
  • Sureshkumar N., Amarathunga A.A.D., and Wickramaarachchi W.D.N . Comparison of physico chemical characteristics and pollution trends of the Menik Ganga, Kirindi Oya and Walawe Ganga. International Conference on Trophycal Aquatic Research towards sustainable development, Colombo , Sri Lanka From 15th 16th February 2007.
 
  • Sureshkumar N., Wickramaarachchi W.D.N ., and Amarathunga A.A.D., An overview of recent physico-chemical information of the waters of Palk Bay and Palk Strait, International Conference on Trophycal Aquatic Research towards sustainable development, Colombo, Sri Lanka from 15th 16th February 2007
Reports
  • Dassanayake , N.H. , de Alwis, P., Pereira, R. and Yatapana, H. (1986). Estuarine Studies -Variation of some Physical, Chemi­cal and microbiological Parameters in Three Selected Systems of Sri Lanka. (Maha Oya, Kelani & Panadura Estuaries). NARA internal report.

 
  • Dassanayake , N.H. , Perera, R. and Fernando, S. (1989). Investigation into Reports of Fish Moralities Caused by Epizootic Ulcerative Syndrome in the Sinharaja Man and Biosphere Reserve. Submitted to the Forest Department and NARA
 
  • Dassanayake , N.H. and Perera, R. (1990). Investigation into Reports of Fish Mortality in the Eastern Section of the Beira ( Colombo ) Lake . Submitted to the Central Environmental Authority and NARA .

 
  • De Alwis, P. and Dassanayake , N.H. (1992). Report on Fish Moralities in Kalamatiyankulam Reservoir, Trincomalee. Submitted to the Sri Lanka Navy and NARA .

 
  • Namaratne, S.Y. and Dassanayake , N.H. (1991). Present Conditions of Three Selected Fishery Harboures of Sri Lanka - Tangalle, Galle and Beruwala. Submitted to the Bay of Bengal Programme and NARA
 
  • De Alwis, P. and Dassanayake , N.H. (1992). Environmental Study of Nuwara Eliya Lake with Special Reference to Enrichment of Plant Nutrients. Submitted to the United Nations Development Programme, Natural Resources Energy and Science Authority and NARA
 
  • Dassanayake , N.H. (1992). Marine Environmental Pollution and its Impacts on the Fishery Resources of Sri Lanka . Submitted to the BOBP, SWEDMAR and NARA
 
  • De Alwis, P. and Dassanayake , N.H. (1993). Water Quality at Selected Locations of Kelani River . Submitted to the Ministry of Science and Technology
 
  • De Alwis, P., Dassanayake , N.H. (1993). The Possible Impacts of Proposed Mechanized Gem Mining Project on the Water Quality of Kalu Ganga. Environmental Impact Assessment report of the Kalu Ganga Mechanized Gem Mining Project, Central Environ­mental Authority
 
  • Dassanayake , N.H. (1993). Water Quality and Pollution Levels of Hamilton Canal , A Water Body Connecting the Kelani River and Negombo Estuary. MSc dissertation submitted to the University of Colom­bo
 
  • De Alwis, P., Dassanayake , N.H. and Azmy, S.A.M. (1993) Study of Water Quality Aspects for the Environmental Impact Assessment of the Yan Oya - Padaviya Agricultur­al Extension Project. Environmental Impact Assessment Report of the Yan Oya - Padviya Agricultural Extension Project. Central Engi­neering Consultancy Bureau
 
  • Hemantha Dassanayake and Amarasingha, D. (1994). Present Status of Negombo Fish Landing Center with Special Reference to Pollution of the Harbour Environment. Submitted to the Ministry of Fisheries and Aquatic Resources /BOBP
 
  • De Alwis, P., Hemantha Dassanayake and S.A.M. Azmy. (1994). Study of the Water Quality Aspects in Hikkaduwa Marine Sanctuary. Submitted to the Coastal Resources Management Project of Sri Lanka (USAID).

 
  • De Alwis, P., Hemantha Dassanayake and Soma Ariyaratne. (1995). Preliminary Report on the Investigation into the introduction of biomonitoring programme for the identification of pollution threats for early warning. Submitted to the Ministry of Transport, Environment and Woman's Affairs
 
  • Dassanayake , N.H. (1996). Initial Environmental Examination of the Moragoda Ela Salt Water Exclusion and Drainage Scheme. Submitted to the Southern Province Rural Development Project, Galle
 
  • Dassanayake , N.H. (1997). Initial Environmental Examination of the Dedduwa Salt Water Exclusion and Drainage Scheme. Submitted to the Southern Province Rural Development Project, Galle
 
  • Dassanayake , N.H. (1997). Initial Environmental Examination of the Dedduwa/Rantotawila Salt Water Exclusion and Drainage Scheme. Submitted to the Southern Province Rural Development Project, Galle
 
  • Dassanayake , N.H. (1997). Initial Environmental Examination of the Madampa Salt Water Exclusion and Drainage Scheme. Submitted to the Southern Province Rural Development Project, Galle
 
  • Dassanayake , N.H. (1997). Initial Environmental Examination of the Koggala Ela Salt Water Exclusion and Drainage Scheme. Submitted to the Southern Province Rural Development Project, Galle
 
  • Hemantha Dassanayake and W.S.C.A. Fonseka (1997) Country Paper - Sri Lanka . Presented at the International Workshop on analysis of nutrient in water and waste water, Brisbane , Australia
 
  • Jayathunga, Y.N.A., Suresh Kumar and Hemantha Dassanayake (1997). Report on the Environmental Technology Products and Service Sector for the Sri Lanka-Norway Industrial co-operation Programme
 
  • Environmental Report for the Mini-hydro Project Proposed for Eraporuwa Ganga at Wijeriya (1998 )
 
  • Preliminary report on the fish mortality in Parakrama Samudra Reservoir (1998).

 
  • Preliminary Report on the Oil Spill at the SPBM of Colombo (1998).

 
  • Monitoring of surface water quality and assessment of pollution loads coming into Maduganga lagoon in Sri Lanka (2006)

 
  • Assessment of environmental impacts in selected water bodies and streams in Kotmale Sub-Catchment in mahaweli Upper catchment in Sri Lanka (2007)
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