1. 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.

2. 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