Earth & Environmental Sciences
ecosystem response
100%
soil profile
57%
water table
55%
respiration
35%
soil
34%
shallow soil
24%
scrub
24%
aboveground biomass
21%
oak
19%
woodland
19%
ion exchange
18%
resin
17%
residence time
17%
assay
17%
tracer
15%
mineralization
15%
decomposition
14%
nitrogen
12%
ecosystem
11%
experiment
7%
Agriculture & Biology
ecosystems
60%
water table
59%
soil profiles
53%
soil
40%
uptake mechanisms
21%
ion exchange resins
21%
shrublands
17%
aboveground biomass
16%
woodlands
16%
tracer techniques
16%
mineralization
15%
Quercus
14%
biomass production
14%
plant growth
11%
degradation
9%
nitrogen
9%
assays
8%
Chemical Compounds
Ecosystem
96%
Soil
68%
Plant Growth
13%
Ion Exchange Resin
11%
Residence Time
10%
Decomposition
6%
Nitrogen
6%