Ecosystem-based management (EBM) of marine resources attempts to conserve interacting species. In contrast to single-species fisheries management. EBM aims to identify and resolve conflicting objectives for different species. Such a conflict may be emerging in the northeastern Pacific for southern resident killer whales (Orcinus orca) and their primary prey. https://www.coraldinernyc.com/product-category/pre-roll-injector-machine/