a flow of goods or services from a forest that does not decrease in successive periods —note the sequential flow pattern specifying the percent increase or decrease in successive periods is H_j+1 ≥ (1 - α) H_j where H = level of yield, j = period (year), and α = percentage decrease in yield from the subsequent period (ranging between 0 and 1) —see evenflow yieldThis definition last updated 10/27/2008