Appendix A (Table A1). Mean (±1 SE) cumulative respiration (µg CO2-C/g soil) over successive 60-d periods for control sites incubated at constant temperature and soils that underwent incubation experimental warming after 60, 150, 300, and 450 days.
Soil |
Incubation temperature (ºC) |
Day 60 |
Day 150 |
Day 300 |
Day 450 |
||||
|
|
Control |
Treatment |
Control |
Treatment |
Control |
Treatment |
Control |
Treatment |
ND-C |
5 |
0.40±0.04 |
2.04±0.16 |
0.37±0.03 |
1.12±0.05 |
0.18±0.02 |
1.40±0.03 |
0.14±0.01 |
1.05±0.03 |
15 |
1.54±0.11 |
4.75±0.32 |
1.15±0.07 |
2.3±0.17 |
0.70±0.03 |
1.84±0.02 |
0.51±0.01 |
1.29±0.07 |
|
25 |
3.00±0.10 |
4.70±0.12 |
1.74±0.03 |
3.26±0.07 |
1.44±0.04 |
2.95±0.02 |
1.03±0.06 |
2.93±0.06 |
|
ND-G |
5 |
0.31±0.03 |
2.15±0.26 |
0.42±1.09 |
1.12±0.10 |
0.28±0.28 |
1.23±0.03 |
0.10±0.01 |
0.87±0.01 |
15 |
1.63±0.15 |
4.29±0.47 |
1.09±0.09 |
2.48±0.07 |
0.59±0.03 |
1.97±0.02 |
0.36±0.02 |
1.56±0.04 |
|
25 |
3.03±0.12 |
4.77±0.50 |
1.71±0.06 |
5.22±0.12 |
1.12±0.05 |
3.15±0.05 |
1.10±0.09 |
2.51±0.02 |
|
TX-C |
5 |
0.20±0.03 |
1.8±0.15 |
0.33±0.04 |
0.94±0.08 |
0.14±0.01 |
1.11±0.17 |
0.09±0.01 |
0.83±0.01 |
15 |
0.88±0.08 |
2.7±0.18 |
0.66±0.03 |
1.61±0.08 |
0.37±0.03 |
1.26±0.05 |
0.25±0.01 |
1.01±0.01 |
|
25 |
1.88±0.08 |
4.21±0.13 |
0.81±0.04 |
2.71±0.11 |
0.67±0.03 |
2.58±0.08 |
0.68±0.04 |
2.30±0.01 |
|
TX-G |
5 |
0.23±0.07 |
1.75±0.10 |
0.34±0.07 |
0.9±0.04 |
0.21±0.03 |
1.02±0.10 |
0.10±0.01 |
0.97±0.01 |
15 |
1.19±0.06 |
3.19±0.12 |
0.84±0.04 |
1.75±0.10 |
0.49±0.02 |
1.49±0.08 |
0.39±0.01 |
1.22±0.01 |
|
25 |
2.04±0.13 |
4.35±0.08 |
0.97±0.06 |
2.89±0.10 |
0.75±0.05 |
2.28±0.03 |
0.56±0.05 |
2.03±0.01 |