Results of all QA/QC Exercises
for Acadian Redfish, Sebastes fasciatus

Sebastes fasciatus


Initials for each age reader are given. All samples were collected by the Northeast Fisheries Science Center (NEFSC). In tests where agreement is below 90%, bias indicates either the P-value of a Bowker’s test or ‘n/s’ (test not significant at the α = 0.05 level).

Sample Source Test Type Date Completed Age Reader Number Aged Number Tested CV (%) Agreement (%) Bias
2015 Autumn Survey (201504) Precision 10/2017 CK 984 99 1.40 80.8 n/s
2014 Autumn Survey (201404) Precision 3/2016 CK 897 97 2.24 71.1 n/s
2013 Autumn Survey (201304) Precision 2/2015 CK 946 98 2.14 74.5 n/s
2012 Autumn Survey (201204) Precision 8/2014 CK 1175 101 2.99 62.4 n/s
2011 Autumn Survey (201105) Precision 4/2014 CK* 827 97 2.36 71.1 n/s
2010 Autumn Survey (201004) Precision 2/2013 CL 862 100 3.16 75.0 n/s
2009 Autumn Survey (200904) Precision 7/2012 CL 1023 120 3.33 74.2 n/s
2008 Autumn Survey (200807) Precision 3/2012 CL 982 98 2.58 73.5 n/s
2007 Autumn Survey (200709) Precision 7/2008 JB 741 113 0.67 89.4 n/s
2006 Autumn Survey (200610) Precision 2/2007 JB 853 108 1.17 84.3 n/s
2005 Autumn Survey (200510) Precision 1/2007 JB 794 106 1.23 84.9 n/s
2004 Autumn Survey (200407) Calibration 1/2007 JB -- 140 1.15 86.4 n/s
2004 Autumn Survey (200407) Precision 3/2005 JB 867 142 0.99 89.4 n/s

*CL married to become CK in late 2013.


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(File Modified Nov. 06 2017)