La Araucanìa Region, Chile
(Environmental Impact Assessment Review, 2013)
(IAIA Special Symposium Biodiversity & Ecosystem Services in Impact Assessment, Washington DC, 2013)
(Harvard University, Center for International Development, 2012)
(European Geosciences Union General Assembly 2012)
ASSESSING THE IMPACT OF ALTERNATIVE LAND-USE ZONING POLICIES ON FUTURE ECOSYSTEM SERVICES
This case-study aims at empirically exploring how the implementation of different land-use zoning policies affect the future provision of a set of ecosystem services (water purification, soil conservation, habitat for species, carbon sequestration and timber production). The study area is located in The Araucanía, one of Chile's Administrative Regions.
The first part of the methods consisted in the construction of land-use scenarios associated to different policies. Subsequently, the effects of the land-use scenarios on the provision of the selected ecosystem services were assessed in a spatially explicit way, by using modelling tools. Finally, a set of metrics was developed to compare scenarios, and trade-offs in the provision of different ecosystem services were made explicit through trade-off curves.
The results indicate that, for this case study, spatial configuration of land uses is as an important factor as their size. This suggests that the analysis of land-use patterns deserves attention, and that this information should be included in scenario exercises aimed to support spatial planning.