A  universal method for preparing, sectioning, and polishing fish otoliths for daily ageing

Epperly, Sheryan P. (Sheryan Patricia); Ahrenholz, Dean W.; Tester, Patricia A.

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A universal method for preparing, sectioning, and polishing fish otoliths for daily ageing

1991
By Epperly, Sheryan P. (Sheryan Patricia) ; Ahrenholz, Dean W. ; Tester, Patricia A.
Series: NOAA technical memorandum NMFS-SEFSC ; 283

[PDF-2.04 MB]

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Personal Author:

Epperly, Sheryan P. (Sheryan Patricia) ; Ahrenholz, Dean W. ; Tester, Patricia A.

Epperly, Sheryan P. (Sheryan Patricia) ; Ahrenholz, Dean W. ; Tester, Patricia A. Less -
Corporate Authors:

Southeast Fisheries Science Center (U.S.), Beaufort Laboratory. ; Southeast Fisheries Science Center (U.S.)

Southeast Fisheries Science Center (U.S.), Beaufort Laboratory. ; Southeast Fisheries Science Center (U.S.) Less -
NOAA Program & Office:

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center)

NMFS (National Marine Fisheries Service) ; SEFSC (Southeast Fisheries Science Center) Less -
Description:

"The techniques for using otoliths for annual age determinations in fish are well established (Williams and Bedford 1974). The roughly seasonally alternating pattern of opaque material deposition during fast growth and hyaline material deposition during slow growth, allows researchers to assign an annual age to the fish. pannella (1971, 1974) discovered finer increments in the otoliths and suggested they represented the daily growth. Brothers et ale (1976) later confirmed the daily periodicity of the increments and using SEM showed that these increments were the smallest cyclical units found in the otolith of Engraulismordax. These increments are composed of incremental and discontinuous units. The discontinuous unit is relatively less calcified and is mostly composed of the protein otolin while the incremental unit is mostly composed of aragonite (Campana and Neilson 1985)"--Introduction, paragraph 1.
Content Notes:

Sheryan P. Epperly, Dean W. Ahrenholz, and Patricia A. Tester.

"April 1991."

Also available online in PDF format via the NOAA Central Library.

Includes bibliographical references (pages 3-4).
Keywords:

[+]

Age Fishes Growth Otoliths Preservation
Series:

NOAA technical memorandum NMFS-SEFSC ; 283
Document Type:

Technical Memorandum
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Public Domain
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Library
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urn:sha256:0625630a62c29c15a97e87a656b351caf6932c196222a53dc97787ed1a6721ca
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https://repository.library.noaa.gov/view/noaa/9148/noaa_9148_DS1.pdf
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A universal method for preparing, sectioning, and polishing fish otoliths for daily ageing

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