Appendix B. Tables for biomass and 14C allocation in all above- and belowground pools.
TABLE B1. Mean biomass (g/m2) ± standard error of the various vegetation/peat/root categories for the eight cores in each vegetation treatment group.
Vegetation/peat category |
|
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|
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|
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Leaves |
- |
- |
- |
39.2 ± 0.2a |
28.1 ± 8.8a |
|
Stems |
- |
- |
- |
112 ± 25a |
147 ± 39a |
|
Sedges |
- |
479 ± 86a |
397 ± 102a |
- |
- |
|
Mosses |
0–2 cm |
622 ± 62z |
452 ± 31z |
- |
679 ± 113z |
- |
Fine roots (<2mm) |
0–2 cm |
1.4 ± 0.7z |
1.3 ± 0.5z |
4.9 ± 1.2yz |
3.8 ± 1.7yz |
8.0 ± 2.3y |
2–7 cm |
19.4 ± 4.3d |
52.6 ± 12.9cd |
67.4 ± 7.0b-d |
56.1 ± 5.5cd |
79.9 ± 17.9a-d |
|
7–12 cm |
31.7 ± 3.8cd |
149 ± 16ab |
117 ± 18a-c |
77.6 ± 17.3a-d |
72.2 ± 9.6b-d |
|
12–17 cm |
48.4 ± 8.5cd |
165 ± 35a |
94.7 ± 19.9a-d |
90.2 ± 24.0 a-d |
70.3 ± 6.6b-d |
|
17–22 cm |
59.5 ± 8.2b-d |
113 ± 35a-c |
59.3 ± 14.2cd |
65.6 ± 14.2b-d |
101 ± 24a-d |
|
Small roots (>2mm) |
0–2 cm |
0 ± 0z |
0 ± 0z |
0 ± 0z |
0 ± 0z |
0 ± 0z |
2–7 cmb |
7.9 ± 5.2 |
13.3 ± 5.9 |
46.8 ± 20.9 |
70.7 ± 18.9 |
65.4 ± 22.2 |
|
7–12 cma |
53.8 ± 21.3 |
63.8 ± 17.8 |
116 ± 29 |
137 ± 32 |
140 ± 42 |
|
12–17 cma |
99.2 ± 20.6 |
114 ± 35 |
92.9 ± 19.3 |
130 ± 32 |
101 ± 51 |
|
17–22 cma |
160 ± 44 |
85.1 ± 31.6 |
75.6 ± 17.0 |
88.8 ± 12.0 |
103 ± 28 |
|
Peat |
0–2 cm |
- |
- |
540 ± 47z |
- |
436 ± 48z |
2–7 cm |
1571 ± 136g |
2014 ± 165fg |
2173 ± 119e-g |
2218 ± 157e-g |
2566 ± 167b-g |
|
7–12 cm |
2397 ± 98d-g |
2536 ± 129fg |
2852 ± 163b-f |
2836 ± 112b-f |
1628 ± 127g |
|
12–17 cm |
3175 ±125a-e |
3186 ± 92a-e |
3630 ± 210ab |
3543 ± 132a-c |
2972 ± 141b-f |
|
17–22 cm |
4100 ± 360a |
3492 ± 315a-c |
2961 ± 448b-f |
3336 ± 141a-d |
2898 ± 393b-f |
|
Aboveground |
622 ± 62ab |
931 ± 92a |
397 ±102bc |
831 ± 144a |
175 ± 45c |
|
Belowground |
11725 ± 421a |
11524 ± 627a |
12446 ± 464a |
12217 ± 624a |
10852 ± 684a |
|
Total |
12347 ± 464a |
12454 ± 694a |
12843 ± 495a |
13048 ± 652a |
11027 ± 705a |
Notes: For all categories except small roots, values with the same letter superscript do not differ significantly; for small roots, depths with the same letter superscript do not differ significantly (one-way ANOVA for leaves, stems, sedges, each vegetation/peat category in the 0–2 cm section, aboveground, belowground and total biomass; two-way ANOVA for fine roots, small roots and mosses/peat, Bonferroni a posteriori comparisons to maintain an experimentwise error rate, a, of 0.05).
TABLE B2. Mean 14C activity (Bq/g; means ± standard error, n = 8) and small:fine root activity ratio by vegetation/peat/root category in each vegetation treatment group.
Vegetation/peat category |
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Leaves |
- |
- |
- |
1749 ± 602a |
1444 ± 522a |
|
Stems |
- |
- |
- |
218 ± 76a |
158 ± 66a |
|
Sedges |
- |
180 ± 73a |
450 ± 197a |
- |
- |
|
Mosses |
|
256 ± 73z |
139 ±71z |
- |
478 ± 231z |
- |
Fine roots (<2mm) |
0-2 cm |
4.45 ± 3.31z |
41.0 ± 26.9z |
16.0 ± 4.7z |
41.6 ±16.6z |
94.0 ± 72.0z |
2-7 cma |
1.19 ± 0.61 |
13.6 ± 6.2 |
15.7 ± 7.2 |
23.1 ± 5.8 |
54.3 ± 43.3 |
|
7-12 cmb |
0.28 ± 0.14 |
6.45 ±5.30 |
6.69 ± 3.58 |
0.79 ± 0.32 |
1.10 ± 0.67 |
|
12-17 cmb |
0.13 ± 0.06 |
1.06 ± 0.38 |
2.31 ± 0.90 |
0.04 ± 0.03 |
0.20 ± 0.14 |
|
17-22 cmb |
0.06 ± 0.04 |
0.78 ± 0.58 |
1.25 ± 0.24 |
0.00 ± 0.00 |
0.03 ± 0.03 |
|
Small roots (>2mm) |
0-2 cm |
- |
- |
- |
- |
- |
2-7 cm |
0.18 ± 0.18c |
0.02 ± 0.02c |
0.66 ± 0.35bc |
39.6 ±14.8ab |
72.2 ± 28.9a |
|
7-12 cm |
0.01 ± 0.01c |
0.26 ± 0.13bc |
0.40 ± 0.10bc |
0.70 ± 0.35bc |
23.5 ± 17.5bc |
|
12-17 cm |
0.07 ± 0.07c |
0.25 ± 0.11bc |
0.18 ± 0.16c |
0.12 ± 0.07c |
0.06 ± 0.04c |
|
17-22 cm |
0.07 ± 0.03c |
0.16 ± 0.07c |
0.20 ± 0.09bc |
0.11 ± 0.09c |
0.00 ± 0.00c |
|
Peat |
0-2 cm |
- |
- |
51.8 ± 19.6z |
- |
53.9 ± 16.6z |
2-7 cma |
1.94 ± 0.50 |
5.40 ± 1.94 |
9.93 ± 4.25 |
7.55 ± 3.15 |
15.3 ± 7.6 |
|
7-12 cmb |
0.39 ± 0.13 |
3.83 ± 2.86 |
2.62 ± 1.07 |
0.65 ± 0.30 |
0.71 ± 0.65 |
|
12-17 cmb |
1.18 ± 0.24 |
1.25 ± 0.49 |
1.84 ± 0.76 |
0.30 ± 0.11 |
0.17 ± 0.14 |
|
17-22 cmb |
0.48 ± 0.08 |
0.80 ± 0.59 |
1.44 ± 0.75 |
0.10 ± 0.09 |
0.11 ± 0.08 |
Notes: For all categories except fine roots and peat, values with the same letter superscript do not differ significantly; for fine roots and peat, depths with the same letter superscript do not differ significantly (one-way ANOVA for leaves, stems, sedges, and each vegetation/peat category in the 0–2 cm section; two-way ANOVA for fine roots, small roots and mosses/peat, Bonferroni a posteriori comparisons to maintain an experimentwise error rate, a, of 0.05).
TABLE B3. Mean 14C quantity (kBq/m2 for leaves, stems, sedges, peat, aboveground belowground and totals; Bq/m2 for small roots, fine roots,) ± standard error of the various vegetation/peat/root categories for the eight cores in each vegetation treatment group.
Vegetation/peat category |
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Leaves |
- |
- |
- |
50.8 ± 16.9a |
48.3 ± 23.8a |
|
Stems |
- |
- |
- |
16.4 ± 4.2a |
18.3 ±7.1a |
|
Sedges |
- |
82.7 ± 30.1a |
117 ± 42a |
- |
- |
|
Mosses |
|
151 ± 42z |
69 ± 39z |
- |
216 ± 87z |
- |
Fine roots (<2mm) |
0–2 cm |
5.7 ± 3.1z |
121 ± 108z |
93 ± 44z |
86 ± 31z |
588 ± 418z |
2–7 cm |
35 ± 22b |
558 ± 253ab |
1056 ± 525ab |
1369 ± 381ab |
1774 ± 750a |
|
7–12 cm |
10 ± 6b |
784 ± 603ab |
602 ± 246ab |
60 ± 33b |
44 ± 24b |
|
12–17 cm |
4.4 ± 2.2b |
135 ± 3b |
147 ± 36ab |
1.8 ± 1.5b |
10.4 ± 6.5b |
|
17–22 cm |
3.9 ± 2.3b |
40 ± 23b |
81 ± 28b |
0.0 ± 0.0b |
1.1 ± 0.6b |
|
Small roots (>2mm) |
0–2 cm |
0.0 ± 0.0z |
0.0 ± 0.0z |
0.0 ± 0.0z |
0.0 ± 0.0z |
0.0 ± 0.0z |
2–7 cm |
1.6 ± 1.6b |
0.2 ± 0.2b |
38 ± 33b |
2073 ± 878ab |
2836 ± 1263a |
|
7–12 cm |
0.3 ± 0.2b |
14 ± 9b |
47 ± 21b |
148 ± 93b |
1510 ± 1154ab |
|
12–17 cm |
9.6 ± 9.6b |
20 ± 11b |
29 ± 28b |
17 ± 10b |
7.2 ± 5.5b |
|
17–22 cm |
11.4 ± 6.9b |
15 ± 10b |
12 ± 5b |
12 ± 10b |
0.0 ± 0.0b |
|
Peat |
0–2 cm |
- |
- |
33 ± 16z |
- |
23 ± 8z |
2–7 cma |
3.3 ± 0.9 |
12 ± 5 |
24 ± 11 |
14 ± 5 |
22 ± 9 |
|
7–12 cmb |
1.0 ± 0.3 |
10 ± 7 |
7.2 ± 2.9 |
1.7 ± 0.8 |
1.3 ± 1.1 |
|
12–17 cmb |
3.9 ± 0.9 |
4.1 ± 1.7 |
6.2 ± 2.3 |
1.0 ± 0.4 |
0.5 ± 0.4 |
|
17–22 cmb |
2.0 ± 0.3 |
3.5 ± 2.8 |
4.4 ± 2.6 |
0.3 ± 0.3 |
0.4 ± 0.2 |
|
Aboveground |
151 ± 42a |
152 ± 62a |
117 ± 42a |
284 ± 100a |
67 ± 31a |
|
Belowground |
10 ± 1a |
30 ± 14a |
76 ± 28a |
21 ± 7a |
54 ± 16a |
|
Total |
161 ± 42a |
182 ± 74a |
193 ± 69a |
305 ± 105a |
121 ± 44a |
Notes: For all categories except mosses/peat, values with the same letter superscript do not differ significantly; for mosses/peat, depths with the same letter superscript do not differ significantly (one-way ANOVA for leaves, stems, sedges, each vegetation/peat category in the 0–2 cm section, aboveground, belowground and total biomass; two-way ANOVA for fine roots, small roots and mosses/peat, Bonferroni a posteriori comparisons to maintain an experimentwise error rate, a, of 0.05).