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

Table 9 Major findings from the quantitative synthesis of the evidence-base

Intervention/exposure-vs-comparator	CH₄	DOC	N₂O	NEE CO₂	R_ecoCO₂
Drained-vs-undrained	SEE=-0.126	SEE=27.3	SEE=0.008		SEE=125
	p=0.055 (.)	p=0.051 (.)	p=0.033 (*)	n.s.	p=0.038 (*)
	n=9	n=5	n=5	n=3	n=10
Dry-vs-wet			SEE=0.221
			p=0.019 (*)
			n=3
Grazed-vs-mown	n.s.
Grazed-vs-mown	n=3
Restored-vs-unrestored	SEE=0.248
	p=0.014 (*)	n.s.			n.s.
	n=4	n=8			n=3
High intensity farmed-vs-low intensity farmed	n.s.		n.s.
High intensity farmed-vs-low intensity farmed	n=5		n=6

SEE, summary effect estimate; n.s., non-significant; p, p-value; n, number of studies; (*), significant; (.), marginally significant (α=0.05).

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