Our World
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Phosphorous emissions per tonne of farmed seafood

Based on a meta-analysis that includes data from 1690 fish farms. Emissions are given in kilograms of phosphorus per tonne of edible weight. Chicken – thelowest-carbon meat – is shown for comparison.

OurWorldInData.org/fish-and-overfishing •

Source: Gephart et al. (2021).

Note: Negative emissions can occur when organisms filter excess phosphorous from the water, storing it in their tissue. This is then removed from the water system when they are harvested.

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