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Fishing Throws Targeted Species Off Balance, Study Shows http://apocadocs.com/s.pl?1208807619
Research led at Scripps with a distinguished team of government and international experts (including two chief scientific advisors to the United Kingdom) demonstrates that fishing can throw targeted fish populations off kilter. Fishing can alter the "age pyramid" by lopping off the few large, older fish that make up the top of the pyramid, leaving a broad base of faster-growing small younglings. The team found that this rapidly growing and transitory base is dynamically unstable-a finding having profound implications for the ecosystem and the fishing industries built upon it.... Fishing typically extracts the older, larger members of a targeted species and fishing regulations often impose minimum size limits to protect the smaller, younger fishes.
"That type of regulation, which we see in many sport fisheries, is exactly wrong," said Sugihara. "It's not the young ones that should be thrown back, but the larger, older fish that should be spared. Not only do the older fish provide stability and capacitance to the population, they provide more and better quality offspring."
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[Read more stories about:
overfishing, stupid humans]
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One fish, two fish. Big fish, small fish.
Big fish: more big fish.
Small fish: more small fish.
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