Browsing Department of Bio-science by Title

Browsing Department of Bio-science by Title

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  • 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 ...
  • 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 ...
  • Tetrakis-1,2,4,5-(bis(3,5-dimethylphenyl)phosphino)benzene (Me16tpbz): A soluble and spectroscopically simple variant of the 1,2,4,5-tetraphosphinobenzene ligand platform 
    Selvachandran, M.; Kumar, Satyendra; Zhang, Xiaodong; Mague, J.L.; Donahue, J.P. (ELSEVIER, 2021-03-01)
    A preparation of 1,2,4,5-tetrakis(bis(3,5-dimethylphenyl) phosphino)benzene (Me16tpbz) has been devised as a two-step synthesis beginning with bis(3,5- dimethylphenyl) chlorophosphine and 1,2,4,5-tetrafluorobenzene, albeit ...
  • Towards Sustainable Organic Waste Management at the Institutional Canteens in Vavuniya, Sri Lanka 
    Ekanayaka, D.M.L.E.; Kayanan, S. (Department of Forestry and Environmental Science, University of Sri Jayewardenepura, Sri Lanka, 2026)
    Organic waste generated in institutional settings poses a major environmental challenge due to improper management practices that lead to odour nuisance, pest infestation, and greenhouse gas (GHG) emissions. This study ...
  • Trade in Asian elephant ivory in Sri Lanka 
    Santiapillai, C.; Silva, A.; Karyawasam, C.; Esufali, S.; Jayaniththi, S.; Basnayake, M.; Unantenne, V.; Wijeyamohan, S. (Cambridge University Press, 1999)
    Elephants Elephas maximus have declined in range and number in the wild in Sri Lanka, from c. 12,000 at the turn of the nineteenth century to c. 4000 today. While in the distant past the decline in elephant numbers was due ...
  • Treating rice mill effluent using waste rice hull 
    Uduwarage, U.D.T.M.; Devaisy, S. (South Eastern University of Sri Lanka, 2021-11-30)
    In Sri Lanka, about 95% of the population consume rice as their staple food. The increase of the population leads to an increment of the number of rice mills to meet the demand. This resulted in the generation of huge ...
  • Treatment of Aquaculture Effluent through Combined Phytoremediation and Biosorption Techniques 
    Rasanga, K.L.D.C.; Devaisy, S. (General Sir John Kotelawala Defence University, 2022-09-29)
    Aquaculture has significant effects on the environment, the discharge of aquaculture wastewater without treatment causes several environmental impacts such as destruction of natural habitats, reduction in the abundance and ...
  • 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. ...
  • 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 ...
  • Use of nanofiltration and reverse osmosis in reclaiming micro-filtered biologically treated sewage effluent for irrigation 
    Sukanyah, S.; Vigneswaran, S.; Nguyen, T.V.; Loganathan, P.; Kandasamy, J (ELSEVIER, 2015)
    Micro-filtered, biologically treated sewage effluent (BTSE) generally has high sodiumadsorption ratio (SAR) and sodium(Na) and chloride (Cl) concentrations. Therefore it cannot be directly used for irrigating sensitive ...
  • A visual system for scoring body condition of Asian elephants (Elephas maximus) 
    Wijeyamohan, S.; Treiber, K.; Schmitt, D.; Santiapillai, C. (Wiley Periodicals LLC, 2015)
    A body condition score (BCS) may provide information on the health or production potential of an animal; it may also reflect the suitability of the environment to maintain an animal population. Thus assessing the BCS of ...
  • Vulnerability of land use/cover associated with human-wildlife conflicts in Mullaitivu District, Sri Lanka 
    Bharathy, P.; Wijeyamohan, S.; Suthakar, K.; Surendran, S.N. (Taylor & Francis, 2022)
    Human-wildlife conflict has increased over the decades and is now considered one of the most severe challenges to the survival of threatened species and the livelihood of communities worldwide. In Sri Lanka, population ...
  • Waste derived biosorbents to remove organics from ricemill wastewater 
    Uduwarage, U.D.T.M.; Sukanyah, S. (International conference on Environmental Medical Statistics, 2020)
    The objective of this study was to compare the performance of natural biosorbents (rice hull and peanut hull) in removing organic pollutants from rice mill wastewater. The biosorbents were prepared through the processes ...
  • Waste peanut hull as a biosorbent to treat rice mill wastewater : A comparison with the efficient of granular activated carbon 
    Uduwarage, U.D.T.M.; Sukanyah, S. (University of Peradeniya, 2019)
    The objective of this study was to evaluate the performance of waste Peanuthull as a biosorbent in treating ricemill wastewater. The performance of the peanuthull was compared under similar conditions with coal based ...
  • Water market in the tank irrigation systems in Tamil Nadu 
    Nanthakumaran, A.; Palanisami, K. (International Conference on Sustainable Built Environments (ICSBE-2010) Kandy,, 2010-12-13)
    Continued progress in water resources development in the future will depend upon the utilization of the existing irrigation potential. An irrigation tank is a small reservoir to catch and store water during rainy season ...
  • 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 ...

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