Philip Macias on Unsplash
Farming fish in fresh water is more affordable and sustainable than in the ocean
Ben Belton, Dave Little & Wenbo Zhang, The Conversation Fisheries & Aquaculture
Optimistic projections say that smart mariculture – fish farming at sea – could increase ocean fish and shellfish production by 21 million to 44 million metric tons by 2050, a 36%-74% jump from current yields. Other estimates suggest that an ocean aquaculture area the size of Lake Michigan might produce the same amount of seafood as all of the world’s wild-caught fisheries combined.
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