Nariman Mesharrafa on Unsplash
The future of food from the sea
Costello et al., Nature Fisheries & Aquaculture
Global food demand is rising, and serious questions remain about whether supply can increase sustainably. Land-based expansion is possible but may exacerbate climate change and biodiversity loss, and compromise the delivery of other ecosystem services. As food from the sea represents only 17% of the current production of edible meat, we ask how much food we can expect the ocean to sustainably produce by 2050.
Here we examine the main food-producing sectors in the ocean—wild fisheries, finfish mariculture and bivalve mariculture—to estimate ‘sustainable supply curves’ that account for ecological, economic, regulatory and technological constraints.
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