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Table 2 Coarse and fine root biomass (t ha ^-1 ) to 60 cm soil depth for three 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

		Coarse root biomass				Fine root biomass				Total root biomass
Land uses	Sites	Total (t ha^-1)	0-20 cm (%)	20-40 cm (%)	40-60 cm (%)	Total (t ha^-1)	0-20 cm (%)	20-40 cm (%)	40-60 cm (%)	(t ha^-1)
Woodlot - Hemlock	Brompton	73.7	99	1	0	8.48	99	1	0	82.2
Woodlot - White cedar	Magog	29.8	80	18	2	4.77	40	39	21	34.6
Woodlot - Grey birch	Roxton	8.8	73	21	6	2.68	55	19	26	11.4
Woodlot - Sugar maple	St-Isidore	26.7	62	32	6	8.64	55	31	14	35.3
Hybrid poplar buffer	Brompton	27.3	61	25	14	2.28	61	22	18	29.6
Hybrid poplar buffer	Magog	9.2	73	22	5	1.86	60	24	16	11.0
Hybrid poplar buffer	Roxton	20.8	70	22	7	2.62	62	19	19	23.4
Hybrid poplar buffer	St-Isidore	12.9	73	17	10	1.91	78	11	11	14.8
Herbaceous buffer	Brompton	0.6	100	0	0	2.60	90	10	0	3.2
Herbaceous buffer	Magog	0.6	99	1	0	2.80	94	4	2	3.4
Herbaceous buffer	Roxton	1.1	98	2	0	3.29	88	9	3	4.4
Herbaceous buffer	St-Isidore	1.3	94	3	2	2.79	80	11	9	4.0
SE		2.5				0.45				2.6
p<		0.001				0.001				0.001

Vertical distribution of coarse and fine root biomass in 20 cm intervals expressed as percentages of total root biomass.

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