Ecosystem service values and land use change in the opium poppy cultivation region in Northern Part of Lao PDR》.pdf

Acta Ecologica Sinica 30 (2010) 56–61 Contents lists available at ScienceDirect Acta Ecologica Sinica journal homepage: /locate/chnaes Ecosystem service values and land use change in the opium poppy cultivation region in Northern Part of Lao PDR A. Yoshida a, H. Chanhda b,c,*, Ye Yan-Mei b, Liang Yue-Rong a a Zhejiang University Tea Research Institute, Hangzhou 310029, China b Department of Land Resource Management, Zhejiang University, Hangzhou 310029, China c Secretariat of the Lao Government, Prime Minister Office, Vientiane, Lao PDR a r t i c l e i n f o a b s t r a c t Keywords: Land use change and land-cover impacts ecosystem services and functions. In this paper according to the Ecosystem services study area’s land use characteristic and ecosystem type, the Land use category of the study area was Land use divided into seven categories, including Forest, Grassland, Farmland, Water, Wetlands, Urban land and Remote sensing Barren land. The dynamic information of the forest Land use change during 10 years was calculated by Lao PDR the map algebra in ArcGIS 9.2. Both in 1992 and in 2002, Forest and Grassland were two largest Land use category in the study area. Forest took up 44.7% and 39.4% of the total area, and Grassland was 50.13% and 50.72% of the total area in 1992 and 2002. Finally, we valued change in ecosystem services deliver