Fig. 2: Comparison of carbon density between mangrove reforestation and afforestation projects over a 40-year period. | Nature Communications

Fig. 2: Comparison of carbon density between mangrove reforestation and afforestation projects over a 40-year period.

From: Mangrove reforestation provides greater blue carbon benefit than afforestation for mitigating global climate change

Fig. 2

a Aboveground biomass carbon, b Belowground biomass carbon, c Sediment carbon to a depth of 1 m, d Total ecosystem carbon. The x-axis represents different age groups (0–5, 5–10, 10–15, 15–20, and 20–40 years). For each box plot, components are as detailed in Fig. 1. Outliers are represented by dots. The mean carbon density in each time group is represented by a circle and connected by a line. The sample size (n) of each group is shown at the bottom of each box plot. Dark- and light-colored groupings, of any color, represent mangrove reforestation and afforestation, respectively. A significance level of difference between reforestation and afforestation within each age group is calculated by the Wilcoxon two-sided test.

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