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The shift of phosphorus transfers in global fisheries and aquaculture

Environmental Studies and Forestry

The shift of phosphorus transfers in global fisheries and aquaculture

Y. Huang, P. Ciais, et al.

Research conducted by Yuanyuan Huang and colleagues reveals that global fish production is reshaping phosphorus flows, posing challenges for aquaculture. With significant phosphorus usage in aquaculture, meeting future efficiency goals by 2050 will require innovative solutions.

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Playback language: English
Abstract
Global fish production (capture and aquaculture) has significantly increased, altering global phosphorus (P) flows. In 2016, aquaculture used 2.04 Tg P yr−1, while 1.10 Tg P yr−1 was removed through fish harvesting. Between 1950 and 1986, P shifted from aquatic to land-human systems, peaking at 0.54 Tg P yr−1. After 1986, this flux reversed, becoming negative around 2004. To achieve balanced anthropogenic P flow by 2050, aquaculture phosphorus use efficiency needs to increase from 20% to at least 48%, a significant challenge.
Publisher
Nature Communications
Published On
Jan 17, 2020
Authors
Yuanyuan Huang, Phillipe Ciais, Daniel S. Goll, Jordi Sardans, Josep Peñuelas, Fabio Cresto-Aleina, Haicheng Zhang
Tags
phosphorus flows
aquaculture
global fish production
efficiency
anthropogenic
harvesting

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