Browsing Aquatic Ecosystems by Publication Date

Lesson from the Thondaimannar scheme for creation of fresh water bodies.

Chitravadivelu, K (1993)

The Thondaimannar scheme was designed in 1943 to prevent the ingress of salt water from the sea into the lagoon by erecting a barrage with sluice gates and leach away periodically with rain water the salt from the blocked ...

Length-weight relationship and relative condition of a silver biddy Gerres oblongus (Pisces : Perciformes) from the Jaffna lagoon, Sri Lanka.

Sivashanthini, K.; Abeyrami, B. (2003)

Cultivation of Gerres oblongus is likely to be profitable because of the consumer demand. The values obtained for the mean weight by sex show that females were significantly (P<0.05) larger than males. Covariance analysis ...

comparative study of the diversity of birds in three man-made reserviors in Vavuniya,Sri Lanka

Sajitharan, T.M. (2003)

Despite its small size (65,510 km) and high human population density (250 peoplefon), Sri Lanka supports a rich and dives avifaa. Of the 425 species and subspecies that Harrison & Warisik (1999) have recorded from Sri ...

The plankton diversity and density in the Iranamadu tank in the wet season

Gajapathy, K.; Saravanan, S. (2009)

The Iranamadu tank is one of the largest surface aquifer found in Northern Sri Lanka. The capacity to harvest large amount of rainwater makes this reservoir a potential source for drinking water supplies. A study was ...

Preliminary study of Sex ratio, Gonadosomatic Index and Fecundity of Tilapia sp. in the Vavuniya Town Tank.

Patrick, A.E.S.; Arjun, K.; Naveendrakumar, G. (2011)

The Vavuniya District surrounded by the land mass where there is no marine environment justifies the exclusive dependents of inland capture fisheries that is boon for the local fishermen's revende. As the Vavuniya town ...

Post conflict socio-economic recovery of a disaster affected society by timely engineering intervention of restoration of blasted Kalmadu irrigation scheme with environmental mitigation measures

Sivakumar, S.S. (2013)

Due to the man made blast, entire water stored in Kalmadu irrigation tank passed through the 125 m length and about 15m depth breach. This led the1397 ha of total irrigable area under gravity irrigation system was abundant ...

Reclamation of land and improve water productivity of Jaffna Peninsula of Northern Sri Lanka by improving the water quality of the lagoons

Sivakumar, S.S. (2013)

Jaffna is a peninsula which is 1000 km 2 of land (out of which, Vadamarachchi Lagoon, Upparu Lagoon, Valukai aru and Elephant pass Lagoon are covered with 75, 25, 15 and 100 km 2 of surface area and 287, 212, 104 and 907 ...

Lagoons of Sri Lanka: From the Origins to the Present

Silva, E. I. L.; Manthrithilake, H.; Katupotha, J.; Amarasinghe, O.; Ariyaratna, R. (nternational Water Management Institute, 2013)

Lagoons of Sri Lanka: from the origins to the present.

Silva, E. I. L.; Katupotha, J.; Amarasinghe, O.; Manthrithilake, H.; Ariyaratna, R. (2013)

Ground water quality improvement of Jaffna Peninsula of Sri Lanka by regulating water flow in the lagoon mouths

Sivakumar, S.S.; Janen, S.S. (2014)

Within Jaffna peninsula there are three lagoons, Thondamanaru lagoon, Upparu lagoon and the Valukiaru lagoon with water spread area of 78, 26 and 14 squar killo meteres respectly. These three shallow lagoons cover around ...

Hypothesis of Cultivating Productive Water from Lagoons of Northern Sri Lanka

Kuganesan, S.; Sivakumar, S.S. (2015)

Jaffna is a peninsula which is 1000 km2 of land (out of which, Vadamarachchi Lagoon, Upparu Lagoon, Valukaiaru and Elephant pass Lagoon are covered with 75, 25, 15 and 100 km2 of surface area and 287, 212, 104 and 907 km2 ...

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.; Tharani, G.; Samith Indika Maddumage,M.R.; Naveendrakumar, G. (2015)

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 ...

Assessing Spatial and Seasonal Variations in Water Quality of the Jaffna Lagoon, Sri Lanka.

Anusha, U .; Senthilnanthanan, M.; Saravanan, S.; Raveendran.S. (2015)

The Jaffna lagoon is one of the main marine resources in the Jaffna Peninsula, which provides habitat for a number of fauna and flora, livelihood support for fishing communities and seafood for the local population. However, ...

Importance of Rehabilitation and Reconstruction of Irrigation Infrastructure, before the Introduction of Pedma Cultivation under Iranaimadu Irrigation Scheme of Northern Sri Lanka

Kularam, S.; Thushyanthy, M.; Sivakumar, S.S. (2016)

Iranaimadu tank is the only major irrigation scheme in the northern Sri Lanka. The major portion of the agricultural sector in northern districts depend on the Iranaimadu tank for their agricultural activities specially ...

Holistic behavior of urban pond systems for flood risk mitigation-a case study in Jaffna municipal council area

Thilakarathne, J.A.S.I.; Wijayaratna, T.M.N.; Rajapakse, R.L.H.L. (2016)

In many drought-affected areas, it is very common that the peak rainfall intensities are very high even though the total annual rainfall is considerably low and it results in severe flood hazards. During the rainy season, ...

Water Quality Study on Giant Tank Situated in Mannar, Sri Lanka during the Rainy Season: Prediction towards Its Domestic Utility

Anpalagan, V.C.; Jashothan, P.T.J.; Kapilan, R.; Shivatharsiny, R. (2017)

The quality of surface and ground water rely on various chemical components and their concentration that are mostly derived from the biological data of the particular region. However, these water sources are being contaminated ...

Assessment of Waterbird Composition in Kalkundamaduwewa Tank at Vavuniya, Sri Lanka

Samith Indika Maddumage,M.R.; Akther, M.S.R.; Aashifa, M.A.R.; Mohideen, A.H.; Tharani, G.; Naveendrakumar, G. (2019)

Changes in abundance of waterbirds reflect the habitat changes of a tank ecosystem. Ephemeral tanks in Vavuniya district are known as habitats for rich birds diversity during different periods of a year. A short-term field ...

Scenario analysis to identify a sustainable pond rehabilitation approach for flood mitigation: A case study in Jaffna, Sri Lanka.

Thilakarathne, J.A.S.I.; Wijayaratna, T.M.N.; Rajapakse, R.L.H.L. (National Science Foundation, Sri Lanka., 2019)

Jaffna peninsula which includes a land mass of 1026 km2 with 9.3% of inland water bodies suffers from severe flooding during the second inter-monsoon (October ~ December) where it receives about 68% of its total annual ...

Impacts of the Thondaimanaru Barrage Construction on Socio – Economic Status of Fishing Communities in Thondaimanaru Lagoon, Jaffna, Sri Lanka.

Shobiya, P.; Sivashanthini, K.; Sutharshiny, S.; Gunaalan, K. (2019)

Present study was conducted to determine the impacts of barrage construction on livelihood status of fishers who involve fishing in Thondaimanaru lagoon. The data related to the socio - economic condition of fishers in the ...

Variations in important water quality parameters and fish species in Thondaimanaru Lagoon, Jaffna, Sri Lanka

Shobiya, P.; Sivashanthini, K.; Sutharshiny, S.; Saruga, S.; Gunaalan, K. (2019)

Thondaimanaru lagoon is one of the shallow coastal lagoons in Jaffna peninsula. The current study was conducted to assess the present status of water quality and fish species composition of this lagoon. Water sampling was ...

Browsing Aquatic Ecosystems by Publication Date

Browsing Aquatic Ecosystems by Publication Date

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