Download AEBR 316 Extent and intensity of bottom contact by commercial trawling and shellfish dredging in New Zealand waters, 1990–2021

This report presents the spatial analysis of bottom-contacting effort by commercial trawl vessels and shellfish dredge vessels within the New Zealand Territorial Sea and 200 n. mile Exclusive Economic Zone (EEZ+TS), in waters open to trawling down to 1600 m depths. Fishing years 1989–90 to 2020–21 are covered for deepwater trawl and shellfish dredge fisheries and 2007–08 to 2020–21 for inshore, and 1989–90 to 2020–21 for inshore and deepwater trawling combined.