Earth & Environmental Sciences
atmosphere
9%
biomass
10%
carbon
46%
combustion
6%
coppice
11%
decomposition
23%
experiment
32%
fatty acid
15%
field experiment
7%
gas chromatography
30%
incorporation
6%
isotope
6%
isotopic composition
7%
leaf litter
100%
litter
77%
loss
43%
mass spectrometry
7%
microorganism
9%
partitioning
6%
phospholipid
17%
plantation
7%
soil
28%
soil organic matter
7%
soil profile
7%
stable isotope
7%
Agriculture & Biology
biomass
7%
carbon
54%
collars
26%
combustion
12%
degradation
28%
direct contact
13%
gas chromatography
31%
gas chromatography-mass spectrometry
11%
isotopes
12%
Italy
9%
microbial biomass
12%
microorganisms
7%
phospholipid fatty acids
29%
plant litter
85%
plantations
10%
Populus
11%
Populus nigra
15%
soil
41%
soil organic matter
11%
soil profiles
13%
soil sampling
10%
stable isotopes
12%
Medicine & Life Sciences
Atmosphere
19%
Biomass
20%
Carbon
82%
Carbon-13
13%
Fatty Acids
14%
Gas Chromatography
18%
Gas Chromatography-Mass Spectrometry
19%
Isotopes
8%
Italy
7%
Phospholipids
14%
Populus
14%
Soil
89%
Weights and Measures
5%