LTPYLong-Term Potential Yield (fish industry)
LTPYLiberty Township Powell YMCA (Young Men's Christian Association) (Ohio)
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If the current commercial price is applied to the LTPY of each stock (which also includes some recreational catch), the estimated LTPY value is highest for the northeastern US.
Even some of the populations that are no longer overutilized are below the abundance level necessary to produce their LTPY, such as rockfish off Alaska and Pacific sardines.
Stocks may be below or above the LTPY level because of either past or current over- or underutilization, respectively, or as a result of natural variability.