Agriculture & Biology
permafrost
100%
soil ecosystems
88%
thermodynamics
70%
wetlands
64%
bog soils
60%
adenosine triphosphate
37%
peat soils
30%
degradation
26%
nitrous oxide
24%
methane
21%
ecosystems
16%
chronosequences
15%
greenhouse gases
12%
soil
11%
carbon dioxide
8%
energy
6%
temperature
4%
testing
4%
Earth & Environmental Sciences
soil ecosystem
82%
permafrost
64%
wetland
51%
thermodynamics
50%
bog
37%
degradation
28%
peat soil
27%
soil
23%
analysis
17%
ecosystem response
13%
wetlands ecosystem
13%
chronosequence
13%
aggradation
12%
nitrous oxide
11%
greenhouse gas
9%
incubation
9%
methane
8%
disturbance
7%
young
7%
rate
7%
energy
5%
experiment
4%
test
4%
temperature
4%
Chemical Compounds
Ecosystem
78%
Bog
55%
Soil
55%
Peat
28%
Thermodynamics
20%
Greenhouse Gas
14%
Methane
8%
Energy
5%
Time
3%