Browsing Department of Bio-science by Publication Date

Browsing Department of Bio-science by Publication Date

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  • Response of tree community composition, plant diversity and aboveground tree biomass in tropical rainforests of Sri Lanka to variation in altitude 
    Sanjeewani, H.K.N.; Samarasinghe, D.P.; Jayasinghe, H.D.; Gardiyawasam, P.H.; Wahala, W.M.P.S.B.; Wijetunga, W.M.G.A.S.T.B.; Ukuwela, K.D.B.; Gomes, P.; De Costa, W.A.J.M. (Postgraduate Institute of Agriculture (PGIA), 01-01-20)
    Tropical rain forests (TRFs) are a major carbon sink and play an important role in regulating the global climate. Floristic composition, structure and carbon storage in biomass of TRFs could vary substantially with climatic ...
  • Response of Canopy Leaf Area Index and Architecture of Tropical Rainforests in Sri Lanka to Climatic Variation along an Altitudinal Gradient 
    Madhumali, R.M.C.; Wahala, W.M.P.S.B.; Sanjeewani, H.K.N.; Samarasinghe, D.P.; De Costa, W.A.J.M. (Postgraduate Institute of Agriculture (PGIA), 01-01-21)
    The foliage canopy of a forest is important for radiation capture, carbon sequestration and regulation of water relations. The objective of this work was to quantify the response of key canopy properties of tropical ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • Zero Waste Discharge in Wastewater Reclamation System for Small Cities 
    Naidu, G.; Johir, M. A. H.; Shanmuganathan, S.; Listowski, A.; Vigneswaran, S. (Springer, 04-12-18)
    Presently, wastewater reclamation plants (WRPs) are widely adopting reverse osmosis (RO) as a polishing treatment in the final operation stage. Sydney Olympic Park Authority’s (SOPAs)WRP adopts a treatment operation of ...
  • Exploring the village tank cascade systems (VTCSs) in Vavuniya district, Sri Lanka 
    Nanthakumaran, A.; Kadupitiya, H. K.; Devaisy, S.; Athukorale, W. E. P. (IWA, 07-02-22)
    An attempt was made to identify, validate the village tank cascade systems (VTCSs) and study the water flow from one village tank to another in each VTCS in the eight Agrarian Service Centre (ASC) divisions in the Vavuniya ...
  • 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 ...
  • PHYTOREMEDIATION POTENTIAL OF THREE GRASS SPP. IN A CONSTRUCTED WETLAND SYSTEM 
    Nanthakumaran, A.; Kayanan, S. (South Eastern University of Sri Lanka, 08-12-15)
    Many of the natural systems have been polluted by direct discharge of waste water to the water bodies that causes environmental and health hazards. The surface water resource mainly the tank water gets polluted due to waste ...
  • 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 ...
  • 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. ...
  • 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 ...
  • 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 ...
  • Pesticide Use and Health Behaviour of Farmers in Rajanganaya 
    Kumarasinghe, M.A.N.; Nanthakumaran, A.; Kayanan, S. (National Centre for Advanced Studies and Social Sciences, Sri Lanka, 14-12-18)
    Excessive pesticide usage is progressively affecting the well-being of the farming community and the environment. The objective of this study is to investigate the pesticide use and its impact on farmers’ health. The primary ...
  • 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 ...

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