February 27, 2026 CFSI Staff

Study: Reducing Global Fishing Risks Massive Deforestation to Close Protein Gap

According to a new multi-national study, the drive to reduce marine fishing could create a “leap from the frying pan into the fire.” Researchers found that if animal protein from capture fisheries were replaced by terrestrial agriculture, the resulting demand for land would exceed the area of the entire Brazilian rainforest. The study emphasizes that well-managed fisheries are often more sustainable than land-based farming because they operate within existing natural ecosystems rather than replacing them with man-made landscapes.

Key Takeaways

  • The Conflict: Reducing fish harvests requires a massive increase in land-based agriculture to maintain global protein levels.
  • The Land Cost: Replacing all marine-caught fish would require more land than the remaining intact rainforests in Brazil.
  • The Biodiversity Risk: Converting complex natural ecosystems into simplified farmland for crops or livestock feed accelerates the extinction of species.
  • The Better Solution: Authors argue for well-managed fisheries that work with nature, alongside innovations like insect or microbial proteins that don’t require vast amounts of land.

Source

Skip to content