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Browsing Volume 07 October 1998 by Author "Piyasiri, Swarna"

Browsing Volume 07 October 1998 by Author "Piyasiri, Swarna"

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  • Studies on Diel Feeding and Digestibility of Cyanobacteria 
    Kariyawasam, L.M.; Piyasiri, Swarna (1998)
    Beira Lake is eutrophic and covered with a bloom of Cyanobacteria. Hybrids of Oreochromis niloticus and Oreochromis mossambicus dominate the lake. Present study deals with feeding cycle and digestibility of the bloom by ...
  • Trophic Status of Beira Lake 
    Nahallage, Charmalie; Piyasiri, Swarna (1998)
    Beira Lake is located in the heart of the city of Colombo.and in an highly urbanized catchment of 432 ha. Beira Lake covers 65.4 ha and comprises four main basins the East Lake, the Galle Face Lake, the West Lake and the ...

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