What is the waterfootprint of salmon?

The water footprint of salmon can vary depending on the species, region, and production methods. However, as an example, the water footprint of farmed Atlantic salmon in Norway is estimated to be around 1,500 liters per kilogram (1.5 cubic meters per ton). This includes water used for raising the salmon in fish farms, as well as water used for feed production, processing, and transportation.

The water footprint of wild-caught salmon is generally lower than that of farmed salmon, since wild-caught salmon do not require the same amount of water for farming and processing. However, the water footprint of wild-caught salmon can also vary depending on the species and region. For example, the water footprint of wild-caught sockeye salmon in Alaska is estimated to be around 250 liters per kilogram (0.25 cubic meters per ton), while the water footprint of wild-caught coho salmon in Oregon is estimated to be around 700 liters per kilogram (0.7 cubic meters per ton).

It is important to note that the water footprint of salmon is just one of many factors to consider when assessing the environmental impact of this food source. Other factors include energy use, greenhouse gas emissions, and habitat impacts.