No net loss of ecosystem services?

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HEA and REA methods HEA Habitat Equivalence Analysis REA Resource Equivalence Analysis 24
The HEA and REA methods • A single indicator of service level � proxy selection • A baseline of service level but for the impact and offset • A forecast of post-impact and post-offset service-level • Calculation of gains and losses on a per-year basis • Discounting factor for long term gains and losses � Discounted service per area per year (DSAY) Service level (%) Average service year Start End level (%) Average service losses (%) Discount factor Area (ha) Losses (DSAYs) 25
Page 1 and 2: No net loss of ecosystem services?
Page 3 and 4: Heathlands over chicken! • Articl
Page 5 and 6: Is everything “worth” offsettin
Page 7 and 8: Fabien Quétier - Peyresq 2011 No N
Page 9 and 10: • Identifying ecosystem services
Page 11 and 12: Offset ratios 3 for 1 (area) ratio
Page 13 and 14: Ratios of acceptable loss Critical
Page 15 and 16: Humans depend on ecological process
Page 17 and 18: Nested decision making frameworks?
Page 19 and 20: The mitigation hierarchy in France
Page 21 and 22: Service to service equivalence unde
Page 23: Offsetting temporary losses Level o

No net loss of ecosystem services?

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