Marine and fisheries research

As ocean temperatures rise and circulation patterns shift, the fish populations that billions of people depend on for food are moving, shrinking, or reorganizing in ways that outpace current management frameworks. Researchers track how climate change ripples through marine food webs—altering predator-prey relationships, disrupting spawning cycles, and compressing the productive zones where commercial species concentrate—using tools that range from otolith chemistry, which records a fish's life history in its ear bones, to large-scale ecosystem models. A central open question is how trophic cascades—chain reactions triggered when a single species declines or surges—will play out across interconnected oceanic systems under continued warming, and whether global fish production can remain stable if those dynamics shift faster than fisheries governance can adapt. Understanding these pressures is increasingly urgent as scientists try to distinguish recoverable stress from thresholds beyond which ecosystems reorganize into states that support far fewer fish.

Works

200,790

Total citations

2,390,421

Keywords

Climate ChangeMarine FisheriesEcosystem ManagementFish Population DynamicsOceanic EcosystemsFisheries Sustainability