Oceans span over 71% of Earth’s surface and harbor an extraordinary diversity of life, forming the bedrock of marine food webs. With more than 3 billion people relying on seafood as a primary protein source, understanding how ocean scale shapes food availability is critical. Yet, as fishing pressures shift into deeper, less-explored zones, the sustainability of this vital resource hangs in balance.
Ocean size directly influences the resilience and productivity of global fisheries. Larger, nutrient-rich basins—such as the North Atlantic and the Southern Ocean—support stable fish stocks...
