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Scientific Adaptive Management: Thresholds

Thresholds represent a major challenge for management

need to perform management activities to improve conditions

monitor the management

treat it like an experiment

but "experiments" are not often thought to have consequences or being irreversible

 

Threshold of stress

might have to increase stress on one system to accomodate overall improvement

example: P loading into lakes

threshold

see: threshold systems

 

Might be able to example smaller, more reversible problems

requires different management strategy

spatial model

cross scale theory - small scale activities can aggregate into a larger impact

decision for PP vs CBA

example: treat bays of a lake as separate experiments

small scale manipulations of a lake