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Modelling the Spatial Distribution of Shifting Cultivation in Luangprabang, Lao PDR

Author

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  • Yumiko Wada

    (Center for Spatial Information Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan)

  • Krishnan S Rajan

    (International Institute of Information Technology, Gachibowli, Hyderabad 500032, Andhra Pradesh, India)

  • Ryosuke Shibasaki

    (Center for Spatial Information Science, University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo, 153-8505, Japan)

Abstract

This research develops an agent-based land-use model for shifting cultivation, where the spatial distribution of crop cultivation is dynamically determined by the relationship between demand and supply of crops. We apply and evaluate the model using statistical and geographic data from Luangprabang Province, Laos, where rice and other crops are cultivated in various forms, including shifting cultivation. Our model explicitly incorporates socioeconomic dimensions of shifting cultivation in which villages are assigned the role of decision makers. We evaluate the model by comparing the simulation results with the existing statistical data and remote sensing images from the 1990s. Our model provides reasonably satisfactory estimates of aggregate area and volume of each crop type at the provincial level. We also evaluate the model across differing spatial resolutions for shifting cultivation areas. We find that the model has limited explanatory power at higher spatial resolutions of 0.5 km to 2.5 km grid cells, but can account for the spatial patterns fairly well at more aggregate levels with the resolutions of 5 km to 10 km.

Suggested Citation

  • Yumiko Wada & Krishnan S Rajan & Ryosuke Shibasaki, 2007. "Modelling the Spatial Distribution of Shifting Cultivation in Luangprabang, Lao PDR," Environment and Planning B, , vol. 34(2), pages 261-278, April.
    • Handle: RePEc:sae:envirb:v:34:y:2007:i:2:p:261-278
    DOI: 10.1068/b31180
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    Cited by:

    1. Wickramasuriya, Rohan Chandralal & Bregt, Arnold K. & van Delden, Hedwig & Hagen-Zanker, Alex, 2009. "The dynamics of shifting cultivation captured in an extended Constrained Cellular Automata land use model," Ecological Modelling, Elsevier, vol. 220(18), pages 2302-2309.

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