Overview

Age information is an essential component in growth rate, mortality rate and productivity calculations, hence it is classified among the most influential of biological variables. In the case of bony fishes, age determination methods based on annual growth marks are reasonably well established and are constantly applied. However, age determination methods in elasmobranchs have lagged behind those applied to teleosts. In this manual, the most recognized age determination methods for elasmobranchs have been brought together so as to provide a detailed and hands-on guide to successful and validated methods for ageing sharks, skates and rays. Particular emphasis is given to vertebral sections and image analysis techniques as applied to elasmobranch species from the Mediterranean Sea, suited to both novice and experienced age readers

Full Product Details

Author:   Steven E. Campana ,  General Fisheries Commission for the Mediterranean ,  Food and Agriculture Organization
Publisher:   Food & Agriculture Organization of the United Nations (FAO)
Imprint:   Food & Agriculture Organization of the United Nations (FAO)
Volume:   94
Dimensions:   Width: 15.20cm , Height: 0.50cm , Length: 30.00cm
Weight:   0.204kg
ISBN:  

9789251083208

ISBN 10:   9251083207
Pages:   45
Publication Date:   30 June 2014
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Temporarily unavailable  
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