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Figure 19 | Environmental Evidence

Figure 19

From: Evaluating effects of land management on greenhouse gas fluxes and carbon balances in boreo-temperate lowland peatland systems

Figure 19

Forest plot of meta-analysis of effect sizes (raw mean difference) comparing CH 4 flux from ‘drier versus wetter’ peatlands. The dashed line represents no effect. Size of boxes represents the weight of the study in the analysis. Horizontal lines represent 95% confidence intervals. Positive effect sizes indicate greater flux in drier peatlands than wetter counterparts. The position of the centre of the diamond represents the overall summary effect (a weighted average) and its horizontal extent represents the positive and negative 95% confidence intervals. Red boxes indicate where the original grouping of intervention/exposure categories lies.

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