Agriculture & Biology
soil carbon
100%
Costa Rica
88%
rain forests
81%
soil
41%
global change
19%
particle size distribution
18%
imogolite
16%
allophanic soils
15%
soil mineralogy
15%
allophane
14%
gibbsite
14%
ferrihydrite
13%
volcanic soils
12%
goethite
12%
soil stabilization
12%
mineralogy
12%
clay minerals
11%
kaolinite
11%
soil heterogeneity
11%
tropical soils
11%
net primary productivity
10%
mineral soils
10%
geographic information systems
10%
weathering
10%
land use change
9%
carbon sinks
9%
carbon sequestration
9%
forest soils
9%
forest litter
9%
global warming
8%
lowlands
7%
clay
7%
tropics
7%
aluminum
7%
metals
6%
environmental factors
5%
biomass
5%
Earth & Environmental Sciences
soil carbon
84%
soil
35%
imogolite
9%
soil mineralogy
9%
allophane
9%
particle size
8%
volcanic soil
8%
productivity
8%
soil stabilization
8%
ferrihydrite
8%
gibbsite
8%
tropical soil
7%
forest floor
7%
goethite
6%
carbon storage
6%
index
6%
forest soil
6%
global change
6%
kaolinite
6%
satellite imagery
6%
tropics
5%
land use change
5%
geographic information system
5%
environmental change
5%
weathering
5%
aluminum
5%
warming
4%
young
4%
biomass
3%
metal
3%
carbon
3%
effect
1%