DEPARTMENT OF LIMNOLOGY AND WATER TECHNOLOGY


-- RESEARCH --



Journal Publication On-going Research Completed Research



  • K.S.M. Abdul, P. Mangala C.S. De Silva, E.M.D.V. Ekanayake, W.A.K.G. Thakshila, S.D. Gunarathna, T.D.K.S.C. Gunasekara, S.S. Jayasinghe, H.B. Asanthi, E.P.S. Chandana, G.G.T. Chaminda, S.H. Siribaddana and Nishad Jayasundara (2021). Occupational Paraquat and Glyphosate Exposure May Decline Renal Functions among Rural Farming Communities in Sri Lanka. Int. J. Environ. Res. Public Health 2021, 18, 3278. https://doi.org/10.3390/ijerph18063278
  • Senavirathna, M.D.H.J., Muhetaer, G., Atapaththu, K.S.S. and Takashi Fujino (2021). Egeria densa Allelopathy on Microcystis aeruginosa Under Different Light Intensities and Preliminary Insight into Inter-Parameter Relationships. Water Air Soil Pollut 232, 135
  • K. T. N. Perera, T. M. N. Wijayaratna, H. M. Jayatillake, Tilak Priyadarshana, J. M. A. Manatunge (2021) Implications of storage state behaviour of village tanks in adaptation to climate change, Sri Lanka. Journal of Water and Climate Change 12 (3): 844–857.
  • Lili Zeng, Gengxin Chen, Ke Huang, Ju Chen, Yunkai He, Fenghua Zhou, Yikai Yang, Zhanlin Liang, Qihua Peng, Rui Shi, Tilak Priyadarshana Gamage, Rongyu Chen, Jian Li, Zhenqiu Zhang, Zewen Wu, Linghui Yu6, and Dongxio Wang (2021). Decade of Eastern Tropical Indian Ocean Observation Network (TIOON). Bulletin of the American Meteorological Society, 1-54
  • K. T. N. Perera, T. M. N. Wijayaratna, H. M. Jayatillake, J. M. A. Manatunge, Tilak Priyadarshana; Framework for the sustainable development of village tanks in cascades as an adaptation to climate change and for improved water security, Sri Lanka. Water Policy 2021; wp2021262. doi: https://doi.org/10.2166/wp.2021.262
  • Gonaduwage, L.P., Chen, G., Priyadarshana, T. et al. Interannual variability of summertime eddy-induced heat transport in the Western South China Sea and its formation mechanism. Clim Dyn (2021). https://doi.org/10.1007/s00382-021-05719-7


  • Dhanushka Devendra, Lan-Lan Zhang, Xiang Su, Asanthi Hewa Bandulage, Vidusanka Thilakanayaka, Fu-Chang Zhong, Yi-Ping Yang, Rong Xiang (2020). Late Quaternary deep and surface water mass evolution in the northeastern Indian Ocean inferred from carbon and oxygen isotopes of benthic and planktonic foraminifera. Palaeoworld (2020),
  • K. T. N. Perera, T. M. N. Wijayaratna, H. M. Jayatillake, J. M. A. Manatunge, Tilak Priyadarshana (2020); Hydrological principle behind the development of series of bunds in ancient tank cascades in small catchments, Sri Lanka. Water Practice and Technology 15 (4): 1174–1189. doi: https://doi.org/10.2166/wpt.2020.088


  • Samaraweera DND, Liu X, Zhong G, Priyadarshana T, Naseem Malik R, Zhang G, et al. Antibiotics in two municipal sewage treatment plants in Sri Lanka: Occurrence, consumption and removal efficiency. Emerging Contaminants 2019; 5: 272-278.
  • Lasitha Perera, G., Chen, G., McPhaden, M. J., Priyadarshana, T., Huang, K., & Wang, D. (2019). Meridional and Zonal Eddy-Induced Heat and Salt Transport in the Bay of Bengal and Their Seasonal Modulation. Journal of Geophysical Research: Oceans, 124, 8079– 8101. https://doi.org/10.1029/2019JC015124
  • Lasitha Perera, G., Chen, G., McPhaden, M. J., Priyadarshana, T., Huang, K., & Wang, D. (2019). Meridional and Zonal Eddy-Induced Heat and Salt Transport in the Bay of Bengal and Their Seasonal Modulation. Journal of Geophysical Research: Oceans, 124, 8079– 8101


  • Weerakoon, H.P.A.T., Atapaththu, K.S.S. & Asanthi, H.B. (2018). Toxicity Evaluation and Environmental Risk Assessment of 2-methyl-4-chlorophenoxy acidic acid (MCPA) on non-target aquatic macrophyte Hydrilla verticillata. Environ Sci Pollution Research (2018). https://doi.org/10.1007/s11356-018-3013-z
  • Fu, C., Wang, D., Yang, L., Luo, Y., Zhou, F., Priyadarshana, T., Yao, J., 2018. The relationship between significant wave height and Indian Ocean Dipole in the equatorial North Indian Ocean. Ocean Dynamics 68, 689-699.
  • Atapaththu KSS, Mahfuza P, Takashi A, M. Harun R (2018): Growth and oxidative stress response of aquatic macrophyte Myriophyllum spicatum to sediment anoxia. Fundamentals and Applied Limnology 19 (4): 289-29
  • Luo, Y., Wang, D., Gamage, T. P., Zhou, F., Widanage, C. M., and Liu, T.: Wind and wave dataset for Matara, Sri Lanka, Earth Syst. Sci. Data, 10, 131–138, https://doi.org/10.5194/essd-10-131-2018, 2018


  • Baran R; Jůza T; Tušer M; Balk H; Blabolil P; Čech M; Draštík V; Frouzová J; Jayasinghe U.A.D. at al. (2017) A novel upward‐looking hydroacoustic method for improving pelagic fish surveys. Scientific Reports (in press).
  • Wijewardene, L.N., Asanthi, H.B. & Rajapaksha, S.W., (2017). Assessment of water quality and trophic state in Sooriyawewa reservoir in the Southern province of Sri Lanka. Sri Lanka Journal of Aquatic Sciences. 22(1), pp.9–19. DOI: http://doi.org/10.4038/sljas.v22i1.7512, E-ISSN: 2424-7057
  • Atapaththu K.S.S., Asaeda T., Yamamuro M., Kamiya H. (2017): Effects of water turbulence on plant, sediment and water quality in reed (Phragmites australis) community. Ekológia (Bratislava), Vol. 36, No. 1, p. 1–9
  • Takashi Asaeda and Kelum Sanjaya. The effect of the shortage of gravel sediment in midstream river channels on riparian vegetation cover. River Research and Application, 33:1107–1118, 2017.
  • Kelum Sanjaya and Takashi Asaeda. Application and assessment of a dynamic riparian vegetation model to predict the spatial distribution of vegetation in two japanese river systems. Hydro-Environment Research, 16:1–12, 2017.


  • Priyadarshana T, Randage SM, Alling A, Calderan S, Gordon J, Leaper R, et al. Distribution patterns of blue whale (Balaenoptera musculus) and shipping off southern Sri Lanka. Regional Studies in Marine Science 2016; 3: 181-188.
  • M.V.K.S.Wichramanayake, R. A. Maithreepala and H.B. Asanthi (2016). Efficiency assessment of an oil dispersant (Adt type 3) by Swirling flask test & Baffled flask test under laboratory condition. International Journal of Scientific and Research Publications. Volume 6. Issue 7, July 2016
  • H.C.C.De Silva, R. A. Maithreepala, H.B.Asanthi and T. Priyadarshana (2016). Spatial and Temporal Variation of Physico-chemical Parameters and Primary Productivity in Muruthawela Reservoir, Sri Lanka. Asian Journal of Agriculture and Food Sciences. Volume 04-Issue 04, August 2016.
  • Tilak Priyadarshana, Sameera Madusanka Randage, Abigail Alling, Susannah Calderan, Jonathan Gordon, Russell Leaper, Lindsay Porter (2016), Distribution patterns of blue whale (Balaenoptera musculus) and shipping off southern Sri Lanka, Regional Studies in Marine Science, 3:181-188.
  • GP Amarasekara, T Priyadarshana, J Manatunge, N Tanaka, GL Gunaratne (2016). Mud Crab (Scylla serrata) population changes in Koggala Lagoon, Sri Lanka since construction of the groyne system, Aquatic Ecosystem Health & Management 19: 83-91.
  • Pallagae Mangala C. S. De Silva, Khaja Shameem Mohammed Abdu, Eakanayake M. D. V. Eakanayake, Sudheera Sammanthi Jayasinghe, Channa Jayasumana, Hewa Bandulage Asanthi, Hettiarachigae S. D. Perera, Gamage G. Tushara Chaminda, Ediriweera P. S. Chandana, Sisira H. Siribaddana (2016). Urinary Biomarkers KIM-1 and NGAL for Detection of Chronic Kidney Disease of Uncertain Etiology (CKDu) among Agricultural Communities in Sri Lanka PLoS Negl Trop Dis 10(9): e0004979. doi:10.1371/journal.pntd.0004979, Editor: Joseph M. Vinetz, University of California San Diego School of Medicine, UNITED STATES
  • Atapaththu, K.S.S., Rashid, M.H., Asaeda, T., (2016). Growth and Oxidative Stress of Brittlewort (Nitella pseudoflabellata) in Response to Cesium Exposure. Bull. Environ. Contam. Toxicol. 96, 347-353.
  • Herath, S.S and Atapaththu, K.S.S. (2013). Sudden weaning of angel fish, Pterophyllum scalare (Lichtenstein) (Pisces; Cichlidae) larvae from brine shrimp (Artemia sp) nauplii to formulated larval feed. SpringerPlus 2,102.
  • Takashi Asaeda, Abner Barnuevo, Kelum Sanjaya, Miguel D Fortes, Yoshikazu Kanesaka, and Eric Wolanski (2016). Mangrove plantation over a limestone reef–good for the ecology? Estuarine, Coastal and Shelf Science, 173:57–64
  • Takashi Asaeda, Md H Rashid, and K Sanjaya (2016). Flushing sediment from reservoirs triggers forestation in the downstream reaches. Ecohydrology, 8:426–437, 2015.


  • Jayasinghe UAD, García‐Berthou E, Li Z, Li W, Zhang T and Liu J (2015) Co‐occurring bighead and silver carps show similar food preference but different isotopic niche overlap in different lakes. Environmental Biology of Fishes 98: 1185 – 1199.


  • W. K Suwandhahannadi, R. A Maithreepala and H. B. Asanthi (2014) Assessment of the Acute Toxicity of Oil Dispersant Type 3 (4− amino−1, 2 dithiolane− 4− carboxalic acid) on Abudefduf vaigiensis Under Laboratory Conditions. Asian Journal of Natural & Applied Sciences Vol 3, No 4.:14-22
  • Rajapaksha,B.M. M, R. A. Maithreepala, H. B. Asanthi (2014) Water quality and biology of hot springs waters of Mahapelessa,Sri Lanka. Scientific Research Journal (SCIRJ), Volume II, Issue XII,
  • Perera, G. L., Eiichi Furusato, and Tilak Priyadarshana (2014). A simple bulk model to estimate salinity stratification of preliminary open choked coastal lagoons in Sri Lanka Annual Journal of Hydraulic Engineering, JSCE, Vol. 54.
  • Kariyawasam, H. M. A. Deepananda, Tilak Priyadarshana, Withanage U. Lenarolle, Herath M. V. Udayantha (2014). Indian carps reproducing naturally in Udawalawe reservoir, Sri Lanka. AACL Bioflux, 2014, Volume 7, Issue 5.
  • Amarasekara, G. P., Tilak Priyadarshana, Jagath Manatunge, Norio Tanaka and Gayan L. Gunaratne (2014). Effect of modification of natural habitat of green chromide, Etroplus suratensis (Pisces: Cichlidae) due to construction of a groyne at the lagoon mouth of Koggala, Sri Lanka. Wetland Ecology and Management on 20th April 2014
  • H.M.T.C. Madushanka, H.B. Asanthi and R.A. Maithreepala (2014). The benthic macro−invertebrate diversity in relation to water quality of a stream habitat at Dediyagala, Sri Lanka. Sri Lanka Journal of Aquatic Sciences, 19 (2014): 15−29, ISSN 1391− 2038,
  • K Sanjaya, T Priyadarshana, and N Wijayarathna. Determination of the potential water storage capacity in ancient abandoned tanks in walawe river basin, sri lanka. International Journal of Research in Agriculture and Food Sciences, 7:19–26, 2014.


  • Gunaratne GL, Tanaka N, Amarasekara GP, Priyadarshana T and Manatunge J (2012). Effect of Inlet morphometry changes on natural sensitivity and flushing 4/10 time of the Koggala lagoon, Sri Lanka. Landscape and Ecological Engineering (DOI 10.1007/s11355-012-0189-0).


  • Gunaratne GL, Tanaka N, Amarasekara GP, Priyadarshana T and Manatunge J (2011). Impact of rubble mound groyne structural interventions in restoration of Koggala lagoon, Sri Lanka; numerical modelling approach. Journal of Coastal Conservation 15(1) 113 -121.
  • Priyadarshana, T., & T. Asaeda (2007). Swimming restricted foraging behaviour of two zooplanktivorous fishes Pseudorasbora parva and Rasbora daniconius (Cyprinidae) in a simulated structured environment. Environmental Biology of Fishes 80: 473 – 486.


  • Gunaratne GL, Tanaka N, Amarasekara GP, Priyadarshana T and Manatunge J (2010). Restoration of Koggala lagoon: modelling approach in evaluating lagoon water budget and flow characteristics. Journal of Environmental Sciences 22(6) 813–819.


  • Maithreepala, and Ruey-an Doong (2009). Transformation of carbon tetrachloride by biogenic iron species in the presence of Geobacter sulfurreducens and electron shuttles.Journal of Hzardous Materials164.(1)337-344.


  • R. A. Maithreepala, and Ruey-an Doong(2008). Effect of biogenic iron species and copper ions on the reduction of carbon tetrachloride under iron-reducing conditions,Chemosphere70( 8): 1405–1413 R.


  • Priyadarshana, T., T. Asaeda & J. Manatunge (2006). Hunger-induced foraging behavior of two cyprinid fish: Pseudorasbora parva and Rasbora daniconius Hydrobiologia 568: 341-352
  • Jayasinghe U. A. D., Amarasinghe U. S. & De Silva S. S. (2006): Culture‐Based Fisheries in Non‐Perennial Reservoirs of Sri Lanka: Influence of reservoir morphometry and stocking density on yield. Fisheries Management & Ecology 13; 157 – 164


  • Deviller G., Palluel O., Aliaume C., Asanthi H., Sanchez W., Franco Nava M.A., Blancheton J.P., Casellas C. (2005). Impact assessment of various rearing systems on fish health using multibiomarker response and metal accumulation. Ecotoxicology and Environmental Safety, 61, 89-97
  • Portsmouth, UK. Jayasinghe U. A. D., Amarasinghe U. S. & De Silva S. S. (2005): Limnology and culture‐based fisheries in non‐perennial reservoirs of Sri Lanka. Lakes & Reservoirs: Research & Management. 10; 157 – 166.
  • Jayasinghe U. A. D., Amarasinghe U. S. & De Silva S. S. (2005): Trophic Classification of Non‐ perennial Reservoirs Utilized for the Development of Culture‐based Fisheries, Sri Lanka. International review of hydrobiology 90; 209 – 222.
  • Wijenayake W.M.H.K., Jayasinghe U. A. D., Amarasinghe U. S., Athula J.A., Pushpalatha K.B.C. & De Silva S. S. (2005): Culture‐Based Fisheries in Non‐Perennial Reservoirs in Sri Lanka: Production and Relative Performance of Stocked species. Fisheries Management & Ecology 12; 249 – 258


    • Department of Limnology and Water Technology is one of the three departments in the faculty that conducts graduate & undergraduate courses and research in the fields of aquatic chemistry, aquatic ecology, aquatic biology, hydrology and environmental analysis of inland fresh waters for both lentic and lotic systems. Department of Limnology and water technology has infrastructure facilities to accommodate 60 undergraduates and research facilities for post graduate students who seek post graduate degrees such as MPhil and PhD in Limnology and related fields. The fields of studies extend over 25 000 inland water bodies and 103 river basins in the island. The academic staff is involved in providing assistance and advice to national development programmes undertaken by the Ministries of Fisheries and Aquatic Resources, Science and Technology, Forestry and Environment.

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       Dr. H L K Sanjaya
    [ Senior Lecturer]
    B.Sc. (Hons) in Fisheries and Marine Sciences (Ruhuna, SL)
    PhD (Saitama, Japan)
     
    Department of Limnology and Water Technology
    Faculty of Fisheries and Marine Sciences & Technology
    University of Ruhuna
    Wellamadama
    Matara (81000)
    Sri Lanka

    +94(0) 41 2227026 | +94(0) 2222681 - ext 5121
    E-mail: kelum@fish.ruh.ac.lk

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