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Laos Table » Key Environmental Issues Deforestation (and forerst degradation): 300,000 ha/yr

Laos Table » Key Environmental Issues Deforestation (and forerst degradation): 300,000 ha/yr Soil and Catchment area degradation (and floods) 80% country is mountains Mines (Au, Zn, Cu sulfides: Oxiana and Phubia Mining companies)

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Laos Table » Key Environmental Issues Deforestation (and forerst degradation): 300,000 ha/yr

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  1. Laos Table » Key Environmental Issues Deforestation (and forerst degradation): 300,000 ha/yr Soil and Catchment area degradation (and floods) 80% country is mountains Mines (Au, Zn, Cu sulfides: Oxiana and Phubia Mining companies) Hydroelectric power dams and lake stratification, methylated species, physical impact on water quality Impact of Civil works (road, mines, fast urbanisation of Vientiane) on water quality, land slide Groundwater quality and quantity (nitrate, As?) Vientiane is however is still fed mostly by river (Mekong, Nam Ngum): turbity treatment with calcium carbonate; Mekong carries more sediment in North than in South, where it’s clear Reduction of biodiversity caused by (i) encrochment of low land farmers (ii) 1.6 million tourist consumption In-house wood consumption: (i) quantity of wood consummed and (ii)à PAH and particle inhalation(1 million family in-house fires) Urban environment: (water supply, solid waste treatment, cement industry)

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