Age and Growth of Resource Species

  • Edwin S. Iversen

Abstract

Estimating ages of fish and shellfish is necessary to determine aspects of their biology that are fundamental to fisheries management. These include growth of individual fish and the biomass of the species, age at maturity, and rates of mortality. Age studies form the basis of our increased knowledge of fluctuations in the strength of year classes, and the abundance that might be caused by predation, adverse weather conditions, and density of populations. Variation of growth rates associated with latitude (temperature) require aging of fish before meaningful relationships can be developed. Methods have been discovered and developed to estimate ages of aquatic organisms, and the literature that has accumulated on the subject during the last 90 years is voluminous.

Keywords

Biomass Migration EDTA Shrinkage Smoke 

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References

Age Estimation of Fish and Shellfish

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Growth Determination (Estimation)

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Copyright information

© Chapman & Hall 1996

Authors and Affiliations

  • Edwin S. Iversen
    • 1
  1. 1.Rosenstiel School of Marine and Atmospheric ScienceUniversity of MiamiMiamiUSA

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