Agriculture & Biology
carbon radioisotopes
70%
Picea mariana
63%
soil respiration
60%
breathing
41%
soil organic matter
31%
net ecosystem exchange
27%
ecosystem respiration
26%
heterotrophs
22%
degradation
20%
metabolism
19%
forest stands
18%
isotopes
16%
cell respiration
16%
soil
16%
rhizosphere
14%
climate change
13%
ecosystems
12%
vegetation
12%
carbon
10%
methodology
8%
sampling
5%
Chemical Compounds
Soil Respiration
100%
Ecosystem
59%
Soil Organic Matter
48%
Black
43%
Residence Time
34%
Soil
27%
Pharmacological Metabolism
25%
Rhizosphere
25%
Decomposition
21%
Mass Balance
19%
Partition
16%
Isotope
14%
Sampling
13%
Fuel
13%
Carbon Atom
7%
Time
5%
Earth & Environmental Sciences
soil respiration
55%
respiration
44%
partitioning
41%
soil organic matter
23%
residence time
21%
metabolism
20%
capture method
18%
decomposition
17%
net ecosystem exchange
16%
ecosystem
14%
rhizosphere
12%
litter
11%
turnover
11%
mass balance
10%
soil
10%
incubation
10%
isotope
9%
substrate
8%
vegetation
7%
atmosphere
7%
sampling
6%
carbon
6%
climate
6%
laboratory
6%
product
5%