Consistency is Key in Measuring Fish Abundance

Have you ever wondered how fish populations are measured? With countless factors impacting abundance, such as changing ocean and ecosystem conditions, predator-prey relationships, mortality and recruitment rates, fishing pressure and the interconnected nature of the ecosystem — figuring out how a species is fairing is a complicated task. Fisheries and Oceans Canada (DFO) conducts annual at-sea surveys to collect data that are later analyzed in its labs to ultimately answer the question ...