Determination of Age and Growth Rate of Fresh Water Fish. - IJPAB Laboratory photo: Judy Mc Arthur, PBS The otolith surface is from a much younger fish than the cross-section. So, ageing fish accurately is in dispensable to the understanding of the dynamics of their stocks 5. Age determination of fish from scales, otolith, vertebrae, fins, spines, fin rays and other structures a. Manual of fish sclerochronology. Brest.
Otolith Microstructure Examination and Analysis - Pêches et Océans. The yellow dots indicate narrow, translucent growth rings. But that is exactly what transpired for Shayne Mac Lellan. Al. 1991. The prime advantage of using scales for ageing is that their removal doesn't cause death of the fish and extraction is quick. Other bones can some-.
Fisheries Stream Survey Manual - Minnesota DNR After receiving her Bachelor of Science degree from the University of British Columbia in 1977, within a year she found herself working in what was then known as the fish-ageing lab at 's Pacific Biological Station (PBS) in Nanaimo, BC. Mac Lellan notes, "At the time I didn't know you could have a career in fish ageing. May 1, 2007. the task of revising and updating our stream survey manual. geomorphology, fish habitat, and biological communities. spatial scales.