NDLI: Using Pb-210/Ra-226 disequilibria for sablefish, Anoplopoma fimbria, age validation

Content Provider	Semantic Scholar
Author	Kastelle, Craig R. Kimura, Daniel K. Kimura D. K. Nevissi, Ahmad E. Gunderson, Donald R.
Copyright Year	1993
Abstract	-Age determination of sablefish (Anoplopoma fimbria) is typically done by counting growth zones on the bumt crosssection of the otolith. The breakand-bum method of age determination is difficult to apply to sablefish. Therefore, we applied a relatively new method offish age validation, using the disequilibrium of Pb-2101Ra-226 in the otoliths. This method of validation complements previous methods which used oxytetracycline (OTe) marking to validate incremental growth in sablefish otoliths. The Pb-210IRa226 disequilibria generally confirmed the ageing criteria used to interpret the otolith's burnt crosssection. Using Pb-21 O/Ra-226 disequilibria for sablefish, Anoplopoma fimbria,
Starting Page	292
Ending Page	301
Page Count	10
File Format	PDF HTM / HTML
Volume Number	92
Alternate Webpage(s)	https://www.st.nmfs.noaa.gov/spo/FishBull/922/kastelle.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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