s:1013:"TI Asking the right questions: Policy analysis and environmental services at different scales 
AU Tomich T P 
AU Chomitz K 
AU Murdiyarso D M 
AU Thomas D E 
AU Ratner B D 
AU Izac A-M N 
AU van Noordwijk, M. 
AB Plausible (albeit dire) scenarios for the future in Southeast Asia include increasing conflict over land and water resources and degradation of hydro logical, ecological, and other environmental services, which could undermine the stability of national economies, urban centres, and national food security. But do we really know enough about these complex relationships to build a consensus for action How big are the effects of land use change (for better or worse) on stability of production systems at the local, regional,and national level How well do these forest-derived land uses substitute for natural forests from the perspective of local people and national objectives What scientific evidence is available to answer these questions Are scientists even asking the right questions 
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