Freshwater as a natural resource in sri Lanka
dc.contributor.author | Costa, H.H. | en_US |
dc.date.accessioned | 2010-07-06T10:05:28Z | |
dc.date.available | 2010-07-06T10:05:28Z | |
dc.date.issued | 1986 | en_US |
dc.identifier.uri | https://dl.nsf.gov.lk/handle/1/5294 | |
dc.publisher | NARESA:Colombo; 58p | en_US |
dc.relation.ispartof | Science Education Series:No.18 | en_US |
dc.subject | Sri Lanka | en_US |
dc.subject | Freshwater Chemistry | en_US |
dc.subject | Freshwater Aquatic Fauna | en_US |
dc.subject | Freshwater fish | en_US |
dc.subject | Fish Production | en_US |
dc.subject | Exotic Aquatic Weeds | en_US |
dc.subject | Salvinia | en_US |
dc.subject | Aquatic Weeds | en_US |
dc.subject | Freshwater Pollution | en_US |
dc.subject | Sewage | en_US |
dc.subject | Eutrophication | en_US |
dc.subject | Weedicides | en_US |
dc.subject | Insecticides | en_US |
dc.subject | Industrial Wastes | en_US |
dc.subject | Deforestation | en_US |
dc.subject | Silts | en_US |
dc.subject | Aquatic Resources | en_US |
dc.subject.lcc | Education | en_US |
dc.title | Freshwater as a natural resource in sri Lanka | en_US |