Herzig, A; Nguyen, T; Ausseil, A-G E; Maharjan, G; Dymond, JR; Arnhold, S; Koellner, T; Rutledge, D; Tenhunen, J: Assessing resource-use efficiency of land use, Environmental Modelling & Software, 107, 34-49 (2018), online: 2018-06-04, doi:https://doi.org/10.1016/j.envsoft.2018.05.005
Key words: Resource-use efficiency; Spatial planning; Policy development; Haean catchment; Spatial optimisation; LUMASS
We introduce an explicit indicator and the Land Use Management Support System to assess the resource-use efficiency of land use (RUE) at the landscape scale. To estimate RUE, we relate land-use performance with regard to ecosystem services indicators to the maximum possible land-use performance based on an optimised land-use configuration. The test application of the RUE assessment in the Haean catchment, South Korea, shows that the land-use system's RUE could be increased by 11% for both nitrate and sediment loss. The estimated headroom could indicate whether potential contaminant reduction targets for the downstream water reservoir Lake Soyang could be achieved with the current land-use system. The recurring RUE assessment for a given region might indicate the effectiveness of spatial planning and policy measures to improve the RUE in that region. Future work should address the integration of RUE into a participatory spatial planning or resource-management framework.
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