Heres a handy interactive doodadd to play with – Rebuilding Depleted Fish Stocks –

Rebuilding Depleted Fish Stocks To be considered sustainable, a population of fish must produce enough young to replace the fish that are lost each year due to natural causes and to fishing. However, when the rate of fishing exceeds the stock’s capacity to regenerate, the stock can become overfished. Rebuilding strategies help reduce fishing pressure on stocks and are designed to allow the stocks to grow and recover. This chart plots the trajectory, from 1980 to 2010, of 55 stocks that were declared overfished since 1997. more here  15:04

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