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Fig. 6. Cumulative mass loss with depth for the short cores at the Diana Lake study site. Depth-dependent decomposition rates were estimated based on the results of 210Pb dating, organic mass, and net primary production (NPP). See text for details. Two constants and r2 values are for the regression curve y = a x [1 – exp(–b x x)]. Both the lower and higher NPP scenarios were used for the Sphagnum austinii hummock core and the Racomitrium lanuginosum–S. tenellum lawn core.
