The abundance and diversity of planktons in selected village tanks namely Peraru, Nochchimoddai and Mamaduwa in the Vavuniya district were studied from March to April, 2021. The objectives of the study were to identify the ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Jaffna lagoon (9° 50' N and 79° 50' E to 9° 20' N and 80° 30' E) is the largest lagoon in Sri Lanka and it provides many services including fishing opportunities to the people in northern Sri Lanka. However, the status of ...

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 ...