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Ecological Processes
Fig. 2 | Ecological Processes

Fig. 2

From: Increased microbial sequestration of soil organic carbon under nitrogen deposition over China’s terrestrial ecosystems

Fig. 2

Percent changes in a phospholipid fatty acids (PLFAs), b amino sugars, and c microbial necromass carbon (C) after nitrogen (N) addition. The upper values show the total PLFAs, amino sugars, and microbial necromass C, and the middle and lower values show the fungal and bacterial values separately. Glucosamine and muramic acid are biomarkers for fungal and bacterial necromass C, respectively. Error bars represent the 95% bootstrap confidence intervals that were calculated by weighted effect sizes. The responses of these variables to N addition are considered significant (P < 0.05) if the 95% bootstrap confidence intervals do not overlap with zero. All these variables were collected at the control and N addition plots at the 11 sites at which microbial necromass C data were obtained

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