We thank the staff of the Department of Forest Management and Silviculture (Faculty of Forestry, National University of Laos)
and local people of Napo and Nongbua villages for providing valuable information and S. Thongchan, S. Thitlo, B. Sounthaly, D.Vonkham and M. Noy for their contribution to the fieldwork. This study was funded by the Swedish International Development Cooperation Agency (Sida).