n South African Food Review - Ecological thermodynamics and the food industry - how do they relate? : ecological

Volume 37, Issue 5
  • ISSN : 0379-6000



An American chemist calculated that if 300 trout are needed to support one man for a year, and the trout must consume 90,000 frogs, which in turn must consume 27 million grasshoppers that live off 1,000 tons of grass, would this mean one man would require the input of 1000 tons of grass every year?

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