Agreed that we should the best science available and - and if need be - find the resources to develop additional science where needed. And altho individual FN fishermen are sometimes involved in the capture (i.e. gillnet & seine) herring fishery - most FNs oppose these large-scale large-biomass fisheries, and opt for the spawn-on-kelp (AKA roe-on-kelp) fisheries instead.
There are additional components not really yet discussed as well - the increases in both hake and humpback whale interception of herring, and to a lesser extent - seals: