Table 1.

C (% of total) in forest soil and A. chlorotica derived from photoautotrophic microbial sources (mean±s.d.). n.a., not applicable.

compartment	undisturbed soil	mixed soil
total soil	1.8 (0.7)	2.1 (0.9)
lower soil layer	0.2 (0.2)	n.a.
earthworms	3.0 (0.8)	0.7 (0.2)