The ESR for IA is a step-by-step method for projects to identify, assess and mitigate their impacts and dependencies on ecosystem services.
It is promoted by IFC as a tool to meet PS6 (https://www.ifc.org/wps/wcm/connect/a359a380498007e9a1b7f3336b93d75f/Updated_GN6-2012.pdf?MOD=AJPERES)