Impact

Impact is the amount of reduction of total ecological resources (Capacity) by a non-human source that is triggered by human activity.

The following example shows an impact starting in 2001 and continuing until Capacity is zero. The model allows for Impact to stop changing at an arbitrary time before resources run out.
Impact Example
Impact = Initital Impact * (1 + Impact Rate)^(Year - Start Year)

See also:
 
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