Using scale-derived estimates of body size in analyses of Atlantic salmon life-history variation: a cautionary note
Tim Burton,
Ola Ugedal,
Sten O. Karlsson
et al.
Abstract:Measurements of individual body length at different life stages are critical in understanding fish ecology and evolution. Such data can be obtained via back-calculation from measurements of fish scales or by using the size of the scale as a direct proxy for body length. Using data from Atlantic salmon, we test key assumptions associated with each approach and their implications for investigating how variation in growth earlier in life is associated with age at maturity. The scaling of scale size approximated i… Show more
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