Chapter 4 – Predict the future: trend analysis

Jorge Santos

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DOI: http://dx.doi.org/10.7557/8.3599

Abstract

QUESTIONS ASKED

  • How to assess the state of a fishery with a minimum of information?
  • Where to obtain national and regional fishery data?
  • How to interpret simple indicators of abundance?
  • Do fisheries have typical cycles that can be recognized?
  • How to compare and adjust the fishing power of different fleets?

 

Trend analysis

Standardization of catch rates

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