Ecological Archives E089-134-A1

Richard T. Conant, J. Megan Steinweg, Michelle L. Haddix, Eldor A. Paul, Alain F. Plante, and Johan Six. 2008. Experimental warming shows that decomposition temperature sensitivity increases with soil organic matter recalcitrance. Ecology 89:2384–2391.

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


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