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Posted Mon Mar 23 2009: from National Academy of Sciences, 2008:
Brave New Ocean
Finally, Jennings and Blanchard (2004) used the theoretical abundance-body mass relationship derived from macroecological theory to estimate the pristine biomass of fishes in the North Sea in comparison with the size and trophic structure of heavily exploited populations in 2001. The estimated total biomass of all fishes 64 g to 64 kg declined 38 percent while the mean turnover time of the population was estimated to have dropped from 3.5 to 1.9 years. Large fishes 4-16 kg were estimated to have declined by 97.4 percent, and species 16-66 kg were estimated to have declined by 99.2 percent. The great importance of these calculations is that they are entirely independent of all of the assumptions and controversies surrounding fisheries catch data and models, and yet lead to predictions entirely consistent with the most extreme estimates of fishery declines.
[Read more stories about: hunting to extinction, overfishing]

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'Doc Michael says:
You mean theory is matching reality?

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