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Health of fish stocks by region

Fish stocks are measured by their biomass: the number of individuals multiplied by their mass. Here the biomass ofa fish stock is divided by the biomass at its maximum sustainable yield. A value of one maximizes fish catch withoutdecreasing fish populations.

1970201519801990200020100.5Above this line = biomass is above the maximum sustainable yieldAbove this line = biomass is above the maximum sustainable yieldEurope-Mediterranean

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Health of fish stocks by region

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