This report provides a summary of findings by the EKLIPSE Expert Working Group and their analysis of 'Understanding Farmer Uptake: What measures are most promising to deliver on supporting biodiversity and ecosystem services in the next round of the Common Agricultural Policy (CAP)?'. This question was submitted by IUCN and the Swedish Board of Agriculture, and aimed to assess the factors that influence the uptake of some CAP measures that enhance biodiversity at a different scales (EU, MS and farmer level), seeking to develop recommendations for the CAP to improve biodiversity and related ecosystem services (ES).