Methods

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Annuli
Age Validation
Quality Control
Bomb Radiocarbon
Radiochemical Dating
Otolith Shape
Elemental Tags
Laser Assays
Temperature History
Growth Models
Recruitment
Image Analysis
Validated Images
Methods

 

The following pages deal in detail with some of the methods used for the preparation, examination and analysis of otoliths for use in daily and yearly ageing, as well as elemental and radiocarbon analysis.  For methods dealing with the age interpretation of skates and rays or sharks, visit our sister sites.

The intention of placing these pages on the web is to provide the learning information and technical tips required to allow those learning or using otolith techniques to do so with this site alone.  The information is designed primarily for workers undertaking these applications for the first time, but the methods described are those used by experienced workers.  

 

Otolith Microstructure

Otolith Microstructure Preparation 

Interpretation of Otolith Microstructure

Analysis of Otolith Microstructure Data

Download pdf files of Stevenson and Campana (1992), "Otolith Microstructure Examination and Analysis", by chapter:  Introduction, Chapter 1, Chapter 2, Chapter 3, Chapter 4, Chapter 5, Chapter 6, Chapter 7

    

Otolith Annuli

Preparation of Thin Sections

Production Ageing

Elemental and Isotopic Assays

Decontamination

Elemental Analysis using ICPMS

Microsampling

Statistical Analysis