Aggregation Discussion points (1) Aggregation is not merging Merging is also useful under the following criteria:contiguous, type, pressure, state/impact, quality objectives, sensitivity, etc… Aggregation useful for IMPRESS, monitoring, management and reporting Aggregation criteria different for different purposes More criteria for aggregation on monitoring and IMPRESS in respective guidance docs.

Aggregation Discussion points (2) Criteria for aggregation for management? Name groups according to purposes Useful tool for managing and/or reporting small WBs For monitoring –representative sample! Task for reporting: clarification on how to report the aggregated information