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Browsing Department of Bio-science by Document type

Browsing Department of Bio-science by Document type "Conference paper"

Now showing items 1-20 of 43

Antibacterial Activity and Phytochemicals of Sequential Solvent Extracts of Solanum Trilobatum

Malathy, S.; Jeyadevan, J.P.; Pathmanathan, K. (University of Jaffna, 2012-07-20)

Solanum trilobatum which is known as Toothuvilai in Tamil has been widely used to treat respiratory disorders, especially bronchial asthma. Therefore this study was designed to test the antibacterial activity and phytochemical ...
BIOCHAR-MEDIATED REMEDIATION OF POLYCYCLIC AROMATIC HYDROCARBONS IN WASHING EFFLUENT FROM AUTOMOBILE SERVICE STATION SOIL

Gunarathna, H.M.D.S.; Pallewatta, S.; Devaisy, S.; Rajapaksha, A.U.; Vithanage, M.S. (National Science and Technology Commission, 2024-01-26)

Petroleum hydrocarbon contamination resulting from human activities including spills, industrial manufacturing, and fossil fuel disposal is a global environmental issue. Considering the contamination of soils by petroleum ...
Chemical characteristics of bulk deposition in Sinharaja and Mattakkuliya, Sri Lanka

Wijerathna, A.I.S.S.; Naveendrakumar, G.; Amarathunga, A.A.D.; Pemarathne, S.K.S. (Young Scientists’ Association (NIFS-YSA), National Institute of Fundamental Studies, Hanthana Road, Kandy, Sri Lanka., 2023-09-23)

The chemical characteristics of bulk deposition vary with climatic seasons. This study aimed to investigate the chemical characteristics of bulk deposition in Sinharaja, a rainforest site, and Mattakkuliya, an urbanized ...
Crop residues with fodder trees to produce good quality silage

Fernando, K.S.D.; Nanthakumaran, A. (SEUSL, 2018-12-17)

Silage is the compressed and fermented green forage crops under anaerobic condition, usually in a silo. Crop residues can be used as feed for cattle during the dry season by ensiling them as silage. The aim of this study ...
Designing a Cloud-native Weigh-In-Motion

Kirushanth, S.; Kabaso, B. (IEEE, 2019-10-02)

Identifying overloaded vehicles on a highway is essential for the safety of vehicles on the road as well as for the performance monitoring of highway infrastructure and planning. Traffic enforcement uses various weigh-in-motion ...
Development of Evidence-Based Informative and Interactive Database (EBIID) for Vavuniya Solid Waste Management System in Sri Lanka

Kayanan, S.; Basnayake, B.F.A. (University of Peradeniya, 12-11-21)

Solid waste management databases play vital roles in effective waste management in developed countries. In contrast, developing countries having inadequate information create massive problems when planning waste management ...
Diurnal and seasonal variations of ground-level ozone and nitrogen dioxide in Battaramulla and Kandy, Sri Lanka

Batuwita, P.M.; Ranawaka Arachchi, R.A.W.; Santhiyago, P.U.; Kalpage, L.U.; Jayasundara, J.J.M.A.D.; Naveendrakumar, G. (Young Scientists’ Association (NIFS-YSA), National Institute of Fundamental Studies, Hanthana Road, Kandy, Sri Lanka., 2023-09-23)

This study examines the impact of solar radiation on ozone (O3) formation and nitrogen dioxide (NO2) depletion in Battaramulla and Kandy, Sri Lanka. Objectives include investigating diurnal and seasonal variations of solar ...
Dual Membrane - Adsorption Hybrid System as a Sustainable Water Reuse System

Devaisy, S.; Vigneswaran, S. (Faculty of Technology, Eastern University, Sri Lanka, 2023-09-27)

Dual membrane hybrid systems are becoming emergent in the production of high-quality reclaimed water for reusable purpose where microfiltration (MF) followed by Reverse Osmosis (RO) is commonly used worldwide. However, ...
Eichhornia crassipes Leaves as a Waste-derived Bio-Sorbent to Remove Organics and Nutrients from Rice Mill Wastewater

Farwin, A.F.S.; Pratheepkumar, M.; Devaisy, S. (Department of Forestry and Environmental Science University of Sri Jayewardenepura, 2023-01-28)

The increased rate of population growth resulted in the increased number of rice mill industries to fulfill the demand for rice. The rice mill wastewater contains a high load of organics and nutrients. Therefore, the direct ...
Estimation of Canopy Leaf Area Index of Tropical Rainforests of Sri Lanka from the Normalized Difference Vegetation Index along a Wide Altitudinal Gradient

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. (Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, 21-01-22)

The leaf area index (LAI) of a forest is a key determinant of its primary productivity. Estimation of LAI via remote sensing of forest canopies offers an alternative to direct measurement, which is difficult in tropical ...
Factors influencing the quality of training of undergraduate interns: A quantitative study

Denesh, A. Michael; Naveendrakumar, G. (Faculty of Management Studies, Sabaragamuwa University of Sri Lanka, Belihuloya, Sri Lanka, 19-10-17)

Internship trainings are the first-hand experience to undergraduates which expose them to the practical career before they compete in the actual job market. For most students, this internship training program is the first ...
Farmer participation on water management in the tank irrigated systems in Tamil Nadu

Nanthakumaran, A.; Palanisami, K. (International Conference on Sustainable Built Environments (ICSBE-2010) Kandy, 2010-12-13)

Farmer participation is found to be a solution to arrest the deterioration of the tank irrigation system which is observed in Tamil Nadu state. The study was undertaken with the specific objective of identifying the ...
Historical trends in averages and extremes of rainfall, temperature and runoff of Sri Lanka

Naveendrakumar, G.; Pathmarajah, S.; Meththika, V.; Jayantha, O.; Iqbal, M.C.M. (National Research Council 120/7, Vidya Mawatha, Colombo 07, Sri Lanka., 2023-12-11)

Historical trend assessment is an essential part of the climate change investigation efforts. Due to several reasons, including regional climatic fluctuations, Sri Lanka is likely to have a feedback effect on the local ...
Historical trends of Rainfall, Temperature and Runoff in Sri Lanka

Naveendrakumar, G.; Obeysekera, J.; Vithanage, M.; Iqbal, M.C.M.; Pathmarajah, S. (American Society of Civil Engineers /Environmental and Water Resources Institute, 04-01-16)

Being a small island and substantially influenced by the confining Great Indian Ocean and the nearby continents, Sri Lanka is potentially vulnerable to the climate changes. The impacts of climate change include changes in ...
Household willingness to pay for improved solid waste management services within the Urban Council (UC) limits of Vavuniya

Kanthasamy, S.; Nanthakumaran, A. (University of Sri Jayawardenepura Sri Lanka, 17-11-12)

Particularly in developing countries, the accumulation of solid waste has been to such an extent that there is an adverse effect on our environment due to rapid urbanization, increasing population and insufficient budgetary ...
Identification of cascade systems and assessment of the performance of village tanks at madukanda agrarian service centre

Athukorala, W.E.P.; Nanthakumaran, A.; Kadupitiya, H.K. (South Eastern University of Sri Lanka, 2018-12-17)

The objective of the study was to identify the cascades in the village tanks and to assess the performance of the tanks in the cascades. ArcGIS 10.2.2 and QGIS 2.8.2 software platforms were used to identify the cascades ...
Identification of cascade systems and assessment of the performance of village tanks in Kovilkulam Agrarian Centre Area” ICSBE 2016

Sudusinghe, S.A.; Nanthakumaran, A.; Kadupitiya, H.K. (7th International Conference on Sustainable with Environment, Srilanka., 2016-12-16)

Vavuniya district of Sri Lanka consists of nearly 674 minor irrigation tanks which are in a cascade system supplying water for 10900 ha (10900 × 104 m2) of paddy land. But there is no documentation available for the cascade ...
Identification of Village Tank Cascade Systems (VTCS) in Vavuniya District, Sri Lanka as a Strategy for Sustainable Water Management

Nanthakumaran, A.; Kadupitiya, H.K.; Devaisy, S.; Athukorale, W.E.P. (IWA, 15-12-20)
Identifying an appropriate and sustainable irrigation method using some remotely sensed parameters for the crop cultivation in Vavuniya district

Arjunan, K.; Nanthakumaran, A. (Procedia food science,ELSEVIER, 2016-01-01)

Over consumption of water resources due to unplanned and inappropriate irrigation methods would be a threat to the ecosystem health and to the sustainable agriculture in Vavuniya District. The objective of this study was ...
Influence of Seasons on Extreme Temperature and Rainfall in the Wet Zone of Sri Lanka

Naveendrakumar, G.; Vithanage, M.; Meneripitiya, S.; Obeysekera, J.; Iqbal, M.C.M.; Pathmarajah, S. (The International Knowledge Management Institute, Colombo, Sri Lanka, 15-02-18)

Because of the departures from the normal rainfall and extreme ambient temperatures, Sri Lanka is vulnerable to the extreme climate. This paper analyzes the consistency in trends of extreme rainfall and temperature events ...

Browsing Department of Bio-science by Document type "Conference paper"

Browsing Department of Bio-science by Document type "Conference paper"

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