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Fig. 3 | Carbon Balance and Management

Fig. 3

From: Changes of lake organic carbon sinks from closed basins since the Last Glacial Maximum and quantitative evaluation of human impacts

Fig. 3

Organic carbon related data from lake records and modern observations in closed basins of the Qilian Mountains. a TOC, TN, organic δ13C from soil samples versus elevations. b Organic carbon accumulation rates in closed-basin lakes of the Qilian Mountains. c Topsoil organic carbon contents (0–30 cm) [56]. d Modern NPP distributions (year 2000–2015) [45]

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