In bluefin tuna, fisheries science is never neat 
By Ben Goldfarb US Source: salon 8/2/2023
Ben Goldfarb
Credit: Getty Images/Antonio Busiello
Spend enough time in the world of fisheries science, and you're likely to hear an adage, coined by a researcher named John Shepherd, that neatly encapsulates the field's uncertainty. Counting fish, the saying goes, is not unlike counting trees — if the trees constantly moved around the forest, and also you had to somehow tally them blindfolded. The point is clear: Few natural resources so confound measurement, let alone management, as fish.
 

Fisheries biology is an inherently challenging science that's made even more difficult by its tense relationship with commercial fishing. The on-board observers who collect critical data sometimes face harassment and even, allegedly, murder by the crews they monitor. Illegal fishing runs rampant, making it hard to know how many fish are being pulled from the sea. And catch limits are set by councils beholden to the very industry they're supposed to regulate. Add it up, and it's hard not to conclude that, as Karen Pinchin puts it in her riveting debut book, "Kings of Their Own Ocean: Tuna, Obsession, and the Future of Our Seas," fisheries science is "an impossible, thankless job with no easy answers."

 
Atlantic bluefin tuna Continue...

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