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Table 3 Vertical distribution of soil carbon concentration (g kg ^-1 ) in three riparian land uses at four sites

From: Root biomass and soil carbon distribution in hybrid poplar riparian buffers, herbaceous riparian buffers and natural riparian woodlots on farmland

		Soil C (g kg^-1)
Land uses	Sites	0-20 cm	20-40 cm	40-60 cm
Woodlot - Hemlock	Brompton	75.5	2.5	1.3
Woodlot - White cedar	Magog	43.8	16.5	8.2
Woodlot - Grey birch	Roxton	14.8	11.5	11.9
Woodlot - Sugar maple	St-Isidore	57.8	38.3	19.1
Hybrid poplar buffer	Brompton	17.7	7.3	9.5
Hybrid poplar buffer	Magog	26.0	15.7	11.4
Hybrid poplar buffer	Roxton	16.1	13.9	13.2
Hybrid poplar buffer	St-Isidore	22.8	22.7	16.9
Herbaceous buffer	Brompton	26.5	19.8	13.3
Herbaceous buffer	Magog	20.0	16.0	6.3
Herbaceous buffer	Roxton	14.6	14.8	10.4
Herbaceous buffer	St-Isidore	35.9	27.0	15.6
SE		5.0	4.0	-
P		0.001	0.05	NS

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