Catch-at-age of snapper in SNA 7 in the 2019–20 fishing year / D.M. Parsons, R.J. Saunders, C. Sutton, A. Hart, A. Bradley, M. Stevenson, R. Bian, R. Taylor, M. Smith, C. Walsh.

By: Parsons, D. M. (Darren M.).
Contributor(s): Fisheries New Zealand (Government agency).
Material type: materialTypeLabelBookSeries: New Zealand fisheries assessment report: 2021/24Publisher: Wellington, New Zealand : Fisheries New Zealand, Tini a Tangaroa, 2021Description: 1 online resource (23 pages).ISBN: 9781991003782.Other title: Catch-at-age of snapper in SNA 7 in the 2019–20 fishing year [Running title].Subject(s): FISHERIES | NEW ZEALANDOnline resources: FAR 2021/24 Fisheries Infosite | NIWA document server Summary: Age composition of snapper caught by bottom trawl in the SNA 7 area was estimated for the 2019–20 fishing year. A total of 999 otoliths were selected from 25 qualifying landings. The 2015, 2011, and 2008 year classes collectively accounted for 52% of fish landed. Although these year classes will likely be important to the fishery for many years, there was also evidence of high inter-annual recruitment variability. The mean weighted coefficient of variation for the SNA 7 age composition was 21%.
List(s) this item appears in: New Zealand Fisheries Assessment Report
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"April 2021."

Age composition of snapper caught by bottom trawl in the SNA 7 area was estimated for the 2019–20 fishing year. A total of 999 otoliths were selected from 25 qualifying landings. The 2015, 2011, and 2008 year classes collectively accounted for 52% of fish landed. Although these year classes will likely be important to the fishery for many years, there was also evidence of high inter-annual recruitment variability. The mean weighted coefficient of variation for the SNA 7 age composition was 21%.

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