TABLE 1.

Concentration of major PLFAs extracted from Bronydd Mawr soil at a depth of 5 cm

PLFA	Concn (nM/g [dwt] of soil) after incubation for (weeks):
	2	3	4	5	6	7	8	9	10	11
C19 stda	1.6	1.8	1.8	1.8	1.7	1.8	1.9	1.9	1.9	1.8
i15:0	13.4	13.2	11.8	23.1	16.9	22.3	26.2	39.7	27.0	29.9
a15:0	15.1	14.0	12.6	26.5	17.0	24.4	26.7	39.9	28.0	30.0
i16:0	3.9	3.3	2.9	5.1	4.3	6.3	7.0	9.6	6.6	7.4
16:0	39.8	26.3	23.6	38.3	41.8	58.2	66.2	90.7	66.6	81.2
16:1ω11	5.5	5.0	4.6	6.8	8.4	10.3	12.2	11.8	10.5	10.6
16:1ω9	3.6	3.3	6.1	6.4	4.8	6.9	8.0	10.3	6.9	7.7
br17:0	11.1	10.1	14.8	15.8	14.5	22.9	29.3	42.2	27.4	32.8
16:1ω7	11.8	10.7	12.9	16.8	15.4	24.3	31.0	44.7	29.1	34.7
i17:0	5.7	5.0	7.2	8.3	6.9	11.9	15.2	21.0	13.1	16.4
16:1ω5	6.1	5.3	7.7	8.8	7.3	12.6	16.1	22.3	13.9	17.4
a17:0	5.1	4.3	5.4	6.3	7.6	10.3	11.1	14.2	8.8	11.6
17:1ω8	5.8	4.9	6.4	8.5	7.3	12.4	11.1	14.5	9.0	13.2
18:0	13.4	6.8	9.0	9.6	11.0	17.2	16.9	21.6	15.7	22.4
19:1	14.9	12.1	14.0	15.5	18.9	30.3	32.9	36.7	26.9	33.0
18:1ω9c	32.0	25.6	36.5	39.4	46.0	76.9	94.7	127.2	88.7	116.3
18:1ω7c	51.1	42.6	59.4	53.1	67.4	112.6	145.8	199.0	150.7	182.5
18:1ω5c	5.8	5.2	7.2	7.6	7.7	12.2	16.0	21.5	14.5	18.4
18:2	11.7	11.6	15.0	21.2	14.3	28.3	23.6	26.1	17.1	27.8

^aInternal standard (std).