Why is recirculating aquaculture seen as an eco-friendly option?

Recirculating aquaculture is seen as eco-friendly because it uses less water, reduces waste, and prevents habitat destruction.

Recirculating aquaculture systems (RAS) are a type of fish farming method that recycles and filters water within the system, reducing the overall water usage. Traditional aquaculture methods often require large amounts of water, which can lead to water scarcity and other environmental issues. However, RAS can recycle up to 99% of the water, making it a more sustainable option.

Another significant advantage of recirculating aquaculture is its ability to manage waste effectively. In traditional aquaculture, waste products are often discharged directly into the environment, leading to water pollution and harm to aquatic ecosystems. In contrast, RAS captures and treats waste within the system, preventing it from entering the environment. The waste can then be used as fertiliser, further enhancing the system's sustainability.

Moreover, recirculating aquaculture can prevent habitat destruction. Traditional aquaculture often involves the clearing of mangroves and other coastal habitats, which can lead to biodiversity loss and increased vulnerability to climate change impacts. However, RAS can be set up in a variety of locations, including urban areas, without the need for habitat destruction. This flexibility in location also reduces the need for long-distance transportation of fish, reducing the carbon footprint of the operation.

Furthermore, recirculating aquaculture systems can provide a controlled environment for fish growth, reducing the need for antibiotics and other chemicals that can harm the environment. This control over the growing conditions can also lead to more predictable and consistent yields, making it a more reliable and sustainable form of food production.

In conclusion, recirculating aquaculture is seen as an eco-friendly option due to its efficient use of water, effective waste management, prevention of habitat destruction, and reduced need for harmful chemicals. It represents a sustainable and environmentally friendly approach to aquaculture that can help meet the growing demand for seafood without compromising the health of our planet.