To reduce the risk of unwanted organisms entering New Zealand waters, regulations require ships to exchange their high-risk ballast water away from coasts. This man is taking samples of water in a ship’s hold to check that the vessel has complied with the requirements.
Te whakamahi i tēnei tūemi
Photograph by Tim Dodgshun
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.