“…Exploring correlations between various indicators from different assessment methods can help to reduce unnecessary indicators, and to identify this set of indicators (Lebacq et al, 2013). Previous studies have mainly focused on correlations between LCA indicators (Berger and Finkbeiner, 2011;Laurent et al, 2012;Röös et al, 2013) Although Tier 3 methods are most accurate, they generally require extensive farm specific information. Tier 2 methods are less accurate, but they are most commonly adopted when comparing results across regions and farming systems, because of their relatively lower data requirement.…”