Purse-seine landings from JMA 1 were dominated by T. novaezelandiae, mainly in the Bay of Plenty. Although sampling was considered to be distributed in reasonable proportion to, and representative of, the JMA 1 purse-seine fishery operation, the catch is not representative of the population. There was evidence of spatial and temporal heterogeneity in size and abundance for each of the three species.
FAR 2016/10 Species composition and seasonal variability in commercial purse-seine catches of jack mackerel (Trachurus declivis, T. murphyi, and T. novaezelandiae) in JMA 1 between January 2011 and September 2013
Report - Fisheries Assessment Report (FAR)
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