Snapper (Pagrus auratus) abundance and size at Tuhua Marine Reserve as determined by baited underwater video survey: Technical report series 6
In April 2011, a baited underwater video (BUV) frame was dropped 23 times around Tuhua Island; inside the no-take marine reserve and restricted fishing area, to record changes in fish abundance and size since the last BUV survey in 2004.

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Snapper (Pagrus auratus) abundance and size at Tūhua Marine Reserve as determined by baited underwater video (BUV) survey: Technical report series 6 (PDF, 915K)

Summary

Since 1993, underwater visual surveys recorded no consistent increases in snapper (Pagrus auratus) abundance and size until 2008. This change appeared to be due to the Department of Conservation (DOC) increasing compliance efforts and an alteration in sampling methodology from 2004.

In April 2011, a baited underwater video frame was dropped 23 times around Tuhua Island; inside the no-take marine reserve and restricted fishing area, to record changes in fish abundance and size since the last baited underwater video survey in 2004.