Agriculture & Biology
methane
100%
sediments
94%
phosphorus
76%
oxidation
75%
nitrogen
59%
soil
52%
permafrost
24%
drainage channels
23%
methanotrophs
22%
agricultural soils
17%
ecosystem services
17%
wetlands
15%
wetland soils
12%
genome mining
11%
microorganisms
10%
landfills
10%
peatlands
9%
greenhouse gases
9%
paddies
7%
community structure
7%
ecosystems
5%
uptake mechanisms
5%
nutrients
4%
metabolism
4%
organisms
4%
phylogeny
4%
DNA
4%
genes
2%
Earth & Environmental Sciences
methane
78%
phosphorus
74%
oxidation
67%
nitrogen
61%
sediment
49%
soil
43%
wetland
18%
ditch
17%
agricultural soil
16%
permafrost
15%
ecosystem service
14%
microorganism
12%
drainage
11%
effect
11%
environmental pressure
10%
peatland
8%
phylogeny
7%
genome
7%
landfill
6%
rice
6%
greenhouse gas
6%
community structure
6%
metabolism
6%
DNA
6%
gene
6%
consumption
5%
organism
5%
nutrient
5%
ecosystem
4%
lake
4%
need
4%
experiment
3%