Commercial catch sampling for species proportion, sex, length, and age of jack mackerels in JMA 7 in the 2018–19 fishing year, with a summary of all available data sets /

Saunders, R.

Commercial catch sampling for species proportion, sex, length, and age of jack mackerels in JMA 7 in the 2018–19 fishing year, with a summary of all available data sets / Commercial catch sampling JMA 7 2018–19 R. Saunders, P.L. Horn, C. Ó Maolagáin, D. Hulston. - Wellington, New Zealand : Fisheries New Zealand, Tini a Tangaroa, 2021. - 1 online resource - New Zealand fisheries assessment report, 2021/05 1179-5352 ; . - New Zealand fisheries assessment report 2021/05 .

Estimates of relative species proportions and catch-at-age for the three jack mackerel (Trachurus) species in the commercial JMA 7 catch for 2018–19 are presented. The available time series of catch-at-age estimates, sex ratios, and species proportions for the JMA 7 catch (2006–07 to 2018–19) are summarised.

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