Saturday, October 10, 2015

For Your information: Fact Sheet of Lower Sesan 2 Hydropower Dam

3S Rivers Protection Network (3SPN) and Mekong Watch organization have updated on  a Fact Sheet of Lower Sesan 2 dam project in northeastern part of Cambodia in the aim to bring public attention on large development plan that would have huge negative social and environmental impacts. 
To remind that the Lower Sesan 2 (LS2) Hydropower Project will be located on the Sesan River in Sesan District, Stung Treng Province, Cambodia, 1.5km downstream from its confluence with the Srepok River and 25km from where the two rivers meet the Mekong River mainstream. The project was approved by Cambodia’s Cabinet in November 2012, despite its Environmental Impact Assessment (EIA) report failing to meet international best practice.
 Although technically a tributary dam, LS2, if built, will have significant negative impacts on the fisheries and biodiversity of the entire Lower Mekong Basin. A 2012 study published in the Proceedings of the National Academy of Sciencespoints out that the dam will cause a 9.3% drop in fish stocks basin-wide, putting more than 50 fish species into extinction. Experts have also warned that LS2 will contribute to the changing of hydrology of the Mekong River and Tonle Sap Lake, as well as reducing sediment flows by approximately 6.0 to 8.0%. The dam will have the largest impact on fish biomass amongst planned tributary dams in the Lower Mekong Basin. Its impacts will be felt as far downstream as the Mekong Delta in Vietnam and as far upstream as Laos and Thailand.
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