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Issues in Risk Assessment (1993) / Chapter Skim
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CASE STUDY 1: UNCERTAINTY AND RISK IN AN EXPLOITED ECOSYSTEM: A CASE STUDY OF GEORGES BANK
Pages 305-306

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From page 305...
... It is not clear whether this is because the activity is basically benign, because the safety precautions work well, or because CBC involves small organisms that pose smaller risks than larger organisms. The worst failures in all categories have occurred in insular environments such as islands and lakes.
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From page 306...
... Assuming there is no compensation will, in general, result in a conservative assessment of production capacity and its ability to withstand exploitation. Haddock populations on Georges Bank fluctuated about relatively stable levels between 1930 and 1960 when the fraction of the total haddock population killed per year by fisherman (annual fishing mortality rate)
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Key Terms

  • mortality rate
  • flow charts
  • fishing mortality
  • permits stable
  • harvesting pressure

  • stochastic variations
  • exploitation level
  • print version
  • measurement errors
  • species introductions

  • poor recruitment
  • null model
  • paper addressed
  • critical exploitation
  • exploitation levels

  • recruitment relationship
  • reproductive output
  • ecological knowledge
  • northeastern united
  • report ecological

  • haddock populations
  • predatory species
  • increases appreciably
  • increased mortality
  • ecosystem functioning

  • term harvest
  • moderate exploitation
  • bank fluctuated
  • safety precautions
  • neutral equivalent


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