DescriptionNitrogen cycling in China’s aquaculture ecosystem.png
English: Schematic model of nitrogen cycling in China’s aquaculture ecosystem. The unit is Tg N yr−1. The red lines represent Nr flow. The numbers in front of the parentheses represent the Nr flux in 2015; the numbers in parentheses represent the Nr flux in 1978. Only major flows are presented in this figure, but the flow description and data acquisition section in the methods section of this paper provide an overview of all simulated flows.
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