Nachhaltigkeitsbewertungen basierend auf den SAFA-Leitlinien: Reduzierung von Unsicherheiten in expertenbasierten Modellen

The SMART-Farm Tool is a globally applicable method for analysing the sustainability performance of organic and conventional farms according to the SAFA Guidelines by the FAO. The aim of the project is to validate and further develop the model algorithms of the SMART-Farm Tool (a) by basing the model algorithms on results of a structured expert survey and (b) by taking into account uncertainties related to the assessments. For the expert survey, an adaptation of the Nominal Group Technique was applied. In a three-step process, 67 international experts rated the relative importance of the 327 SMART indicators for the 58 SAFA subthemes in 11 theme- and region-specific expert groups. The remaining deviations were analysed with Monte-Carlo simulations and - inherent reasons like low numbers of indicators for certain subthemes, the identified uncertainty was partly affected by heterogeneous expert opinions on single indicators. - theme experts for periodical judgements of the indicators is recommended.