A story by Tom Zeller at Huffington Post this week highlighted the intersection between climate change and global fisheries. I blogged a couple of weeks ago about the potential impact of climate change on agriculture and livestock production as the world crossed the 400 ppm CO2 barrier. Zeller explores a similar question in the context of fisheries.
The central challenge stems from the fact that the world’s oceans are getting warmer. As a result fish stocks, which had already been under stress from dramatic expansion in fishing (see graphic below) are increasingly under risk of collapse. But, as Zeller points out, scientists are still struggling to get a handle on the exact impact of climate change, which a national conference on fisheries management called “the single greatest challenge facing fisheries managers.” As John Shepherd put it, “Managing fisheries is hard: it’s like managing a forest…
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Dr. Bukar Ali USMAN, mni 
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