The researchers found that if aquaculture were expanded to just 2% of the world's oceans, it could produce enough seafood to meet the global demand of 2050. This would require a significant increase in aquaculture production, but the researchers say it is possible.
Aquaculture is already a major source of seafood, accounting for about half of the world's total production. However, most aquaculture is currently done in coastal areas, which can lead to environmental problems such as pollution and habitat destruction.
The researchers say that expanding aquaculture to the open ocean could help to reduce these problems. Open ocean aquaculture could also produce larger fish, which are generally more valuable.
The researchers acknowledge that there are some challenges to expanding aquaculture, such as the need for new technologies and regulations. However, they say that the potential benefits of aquaculture make it a worthwhile investment.
"Aquaculture has the potential to be a sustainable source of food for the growing global population," said study lead author Dr. Christopher Costello. "By expanding aquaculture to the open ocean, we can help to reduce the pressure on wild fish stocks and protect marine ecosystems."
The study's findings are good news for the future of seafood. Aquaculture could help to ensure that people around the world have access to a healthy and sustainable source of food.