Nam Ou River is rich of natural resources and it's also a habitat of diverse aquatic species. In addition, local people of Nam Ou River have long been involved with fishery, the main occupation of villager in past was agriculture, trade, and fishery. Since the construction of Hydropower Dam, the local people in many villages has been affected on housing and livelihoods although they get compensated by the investor of development project, but it still can't replace the losing one. There are three affected villages in the area of Nam Ou River namely: Khone Kham, Houaylo and Lat Tha Hae, which include 3 major ethnic groups, totaling 453 families. The aim of project is to help village on preserve conservation area in dam site by creating the group of villages for freshwater fish conservation with designated areas in 3 villages; conserve and promote diversification of freshwater fish species in the area of Nam Ou1; assisting in ensuring food security for people in the area; improve people's living condition and increase their incomes for household.