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Department of Bio-science: Recent submissions

  • Assessment of women participation in agriculture in Vavuniya district, Sri Lanka 
    Tharani, G.; Akther, M.S.R.; Nanthakumaran, A. (International Journal of Social Science and Management, 2016-07-28)
    An attempt was made to assess the women contribution towards agriculture in Vavuniya district, Sri Lanka. 60 farm family households' women were randomly selected from rural and urban area of Kovilkulam AI region of Vavuniya ...
  • Technical feasibility and effectiveness of vermicomposting at household level 
    Perera, K.I.M.; Nanthakumaran, A. (Society for Tropical plant research, 2015-04-30)
    Understanding the value of vermicompost, an attempt was made to study the technical feasibility and effectiveness of vermicomposting at household level and to analyze and compare the performance of the crops grown using ...
  • Deposition of trace metals associated with atmospheric particulate matter: Environmental fate and health risk assessment 
    Meththika, V.; Pasan, C.B.; Novo, Luís A.B.; Amit Kumar; Balram, A.; Naveendrakumar, G.; Manjula, R.; Magana-Arachchi, Dhammika N. (Elsevier, 04-06-22)
    Anthropogenic and natural sources influence trace metals (TMs) bound to different sized particulate matter (PM) in dry and wet atmospheric deposition, which can create ecosystem and human health issues in the long run. ...
  • Recessive traits of e-learning education environment 
    Denesh, A.Michael; Naveendrakumar, G. (International Conference on Global Education and E - Learning (GLOBED 2017), 10-10-17)
    It is skeptical that electronically administered environment (e-learning) replaces the conventional method of teachings and learning among postgraduate students. Though it depended on multiple factors. Preliminary results ...
  • 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 ...
  • 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 ...
  • Long-term trends of temperature in Sri Lanka 
    Naveendrakumar, G.; Obeysekera, J.; Vithanage, M. (Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka, 04-12-17)
    Even though temperature variation in Sri Lanka is in narrow range, being an island it is vulnerable to the changes happen in the global climate. In this paper, long-term trends in averages and extremes of Sri Lankan ...
  • Developmental abnormalities of Betta splendens embryos reared in oil & grease contaminated water samples of Vavuniya reservoir, Sri Lanka 
    Umasuthan, S.; Patrick, A.E.S.; Naveendrakumar, G.; Kuganathan, S. (International Science Community Association, 01-04-17)
    In Vavuniya urban area the wash-outs from petroleum automobile service stations contain Kerosene oil, lubricating engine oil, grease as major compounds that contributing oil and grease pollution in Vavuniya reservoir, Sri ...
  • Temperature trends in Sri Lanka 
    Naveendrakumar, G.; Obeysekera, J.; Vithanage, M. (Postgraduate Institute of Science (PGIS), University of Peradeniya, Peradeniya, Sri Lanka, 07-10-16)
    Being a small island and substantially influenced by the temperamental monsoon, Sri Lanka is potentially vulnerable to heat waves. The impacts of such temperature are becoming adverse in the view of the apparent increase ...
  • 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 ...
  • Preliminary assessment and spatial distribution of selected water quality parameters at Kalmadu tank in Vavuniya district of Sri Lanka 
    Akther, M.S.R.; Mohideen, A.R.H.; Tharani, G.; Maddumage, Samith Indika M.R.; Naveendrakumar, G. (30-06-15)
    This research on Kalmadu tank aims to analyze the horizontal and vertical profiles of selected water quality parameters. Twenty randomly selected sampling points on surface and corresponding vertical depths of 30 cm and ...
  • A conceptual analysis on the proposal on re-induction of forest growth in the North-western region of Batticaloa district, Sri Lanka 
    Arutpavai, S.; Naveendrakumar, G.; Nirupha, G.; Fahmitha, S.; Suthamathy, S. (http://www.ijser.org, 31-10-14)
    In recent past, abundant forest covers of Batticaloa district of Sri Lanka especially in the north-western region of the district have been destructed due to various reasons, which led to emergence of lesser reproductive ...
  • Quality comparison of market waste compost 
    Nanthakumaran, A.; Naveendrakumar, G. (Faculty of Applied Sciences, South Eastern University of Sri lanka, 03-12-13)
    Accumulation of a large amount of waste may create several problems to inhabiting populations. Composting is an environment friendly way of waste management. Good quality compost is essential to improve the soil fertility ...
  • Identify the causes and environmental friendly methods to control eutrophication in Vavuniya tank, Sri Lanka 
    Loganathan, P.; Manjceevan, A.; Naveendrakumar, G. (Institute of Environmental Professionals, Sri Lanka, 04-07-13)
    This research was carried out to identify the main courses for eutrophication by measuring Nitrate and Phosphate level at different location in Vavuniya tank and to identify the main algae species of and find out environmental ...
  • Study to detect impacts of pollution on the distribution of Zooplankton in the Northern tropical ponds in Sri Lanka 
    Patrick, A.E.S.; Kadotgasan, J.M.; Naveendrakumar, G. (12-12-12)
    Although the Limnological survey are well documented in Sri Lanka. However, not much work has been done in Northern Province after the early nineteen eighties. Zooplankton community distribution can be taken as an indicator ...
  • Long-term temperature trends in Climatological Zones of Sri Lanka 
    Naveendrakumar, G.; Vithanage, M.; Obeysekera, J.; Pathmarajah, S.; Iqbal, M.C.M. (South Eastern University of Sri Lanka, Colombo, Sri Lanka, 13-12-17)
    Ambient temperature in Sri Lanka greatly influences each and every venture throughout the island. The gradual climate change in global scale further worsens the existing situation causing tremendous impacts. Therefore, it ...
  • Trends of stream runoff in Sri Lanka 
    Naveendrakumar, G.; Vithanage, M.; Obeysekera, J. (Sri Lanka Association for the Advancement of Science (SLAAS), Colombo, Sri Lanka, 02-12-18)
    Because of the topographic nature and dendritic stream network, Sri Lanka is vulnerable to river flooding. Most of the rivers originate in the central highlands of Sri Lanka show agreement on climate change impact on the ...
  • Five Decadal Trends in Averages and Extremes of Rainfall and Temperature in Sri Lanka 
    Naveendrakumar, G.; Vithanage, Meththika; Kwon, Hyun-Han; Iqbal, M.C.M.; Pathmarajah, S.; Obeysekera, Jayantha (Hindawi, 27-12-18)
    In this study, we used a comprehensive set of statistical metrics to investigate the historical trends in averages and extremes of rainfall and temperature in Sri Lanka. (e data consist of 55 years (1961–2015) of daily ...
  • South Asian perspective on temperature and rainfall extremes: A review 
    Naveendrakumar, G.; Vithanage, Meththika; Kwon, Hyun-Han; Chandrasekara, S.S.K.; Iqbal, M.C.M.; Pathmarajah, S.; Fernando, W.C.D.K.; Obeysekera, Jayantha (Elsevier B.V., 17-03-19)
    Climate change has pushed the natural limits of our environment, creating extreme weather events that are more frequent and more intense in certain locations around the globe. There is evidence of increasing trends in ...
  • Trends in seasonal extremes of rainfall and temperature of Sri Lanka 
    Naveendrakumar, G.; Vithanage, Meththika; Kwon, Hyun-Han; Obeysekera, Jayantha (Korean Society of Environmental Engineers; Busan, Korea, 10-12-19)
    Due to several reasons, including regional climatic fluctuations, Sri Lanka is likely to have a feedback effect on the local climate, especially the changes in the trends of seasonal extremes of rainfall and temperature. ...

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