Age Determination Methods for Northwest Atlantic Species

February 1997 - F.P. Almeida and T.F. Sheehan (Editors)
with selected chapters updated to reflect changes in methods

An update of NOAA Technical Report NMFS 72
J. Penttila and L.M. Dery (Editors) - December 1988

Click on a species for ageing information. (Be aware: this information is detailed and lengthy.)

We have used side-by-side frames in the manual; the left-hand frame contains the description of the species' ageing method, the right-hand frame is reserved for Figures and References.

Click here if you prefer a non-frames version.

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Introduction To The Manual
Equipment and Techniques
Glossary of Terms

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