Windowpane Flounder, Scophthalmus aquosus
Sandy Sutherland (SJS) has been working with Windowpane Flounder since 2015. Whole otoliths viewed with reflected light, except for large fish (>30cm) which are cut in half and viewed with reflected light. Only samples from Georges Bank (GB) are currently aged.
In tests where agreement is below 90%, bias indicates either the P-value of a symmetry test or ‘n/s’ (test not significant at the α = 0.05 level). The Evans & Hoenig test was used to test bias starting 1/2022; prior to that, a Bowker's test was used.
|Sample Source||Stock||Test Type||Date Completed||Age Reader||Number Aged||Number Tested||CV (%)||Agree-ment (%)||Bias|
|2022 Spring & Autumn Surveys (202202 & 202204)||GB||Precision||6/2023||SJS||178||44||6.87||70.5||n/s|
|2019 & 2021 Spring Surveys (201902 & 202102)||GB||Precision||5/2022||SJS||280||50||12.43||70.0||0.017|
|2016 Autumn Survey (201604)||GB||Precision||7/2020||SJS||217||39||8.98||71.8||n/s|
|2014 & 2015 Autumn Surveys (201404 & 201504)||GB||Precision||9/2016||SJS||368||61||4.72||77.0||n/s|
|2004 & 2005 Autumn Surveys (200407 & 200510)||GB||Precision||11/2015||SJS||189||45||2.93||82.2||n/s|