Balancing the sustainability of our fisheries stocks and the impacts of fishing on the environment with the economic opportunities they offer is an ongoing challenge.
The Otolith is the earbone of the fish and like the rings on a tree it can tell us about the story of the fish's life. NIWA has looked at 27000 otoliths in the last year each one contributing to the story of key species in the fishery. Together this information informs managers about the growth, recruitment, and selectivity of the fishing gear which is crucial for managers to make sustainability decisions. Good management of a fishery requires good data. This video is a look at what goes into collecting that data.
Together with the University of Canterbury and Fisheries NZ, NIWA has been working to develop a catch-free, non-invasive method of surveying scallop populations. Find out how...
Header photo: Trevally, Kermadec Islands. [Photo: Malcolm Francis]