Earth & Environmental Sciences
greenhouse gas
100%
peatland
93%
soil
73%
riparian forest
65%
gene
63%
nitrogen
60%
greenhouse gas emissions
59%
denitrification
57%
nitrate
52%
soil emission
50%
methane
47%
wetland
42%
constructed wetland
39%
nitrous oxide
39%
saltmarsh
37%
forest soil
35%
ecosystem
33%
ammonium
32%
productivity
29%
water content
29%
eddy covariance
29%
nitrogen cycle
28%
rewetting
27%
peat
27%
stem
26%
canopy
26%
isotope
25%
climate zone
24%
agricultural soil
24%
inorganic fertilizer
23%
mudflat
23%
cover crop
23%
fen
22%
roof
22%
grassland soil
22%
urban drainage
21%
electromagnetic method
21%
water
21%
organic fertiliser
21%
liming
21%
antibiotic resistance
21%
soil water
21%
oxidation
20%
microcosm
20%
soil quality
20%
estuary
20%
upscaling
20%
coast
19%
phytoremediation
19%
forest canopy
19%
Agriculture & Biology
nitrous oxide
50%
Spartina alterniflora
46%
greenhouse gases
45%
methane
44%
salt marshes
40%
methane production
38%
green roofs
25%
constructed wetlands
24%
peatlands
24%
Phalaris arundinacea
24%
nitrous oxide production
23%
smelters
23%
estuaries
23%
paddy soils
22%
cathodes
21%
cropland
21%
soil fungi
20%
nitrogen
20%
Archaea
20%
gas production (biological)
19%
South Korea
19%
cover crops
19%
wetlands
19%
crops
18%
peat
18%
community structure
18%
soil quality
17%
bacterial communities
17%
polluted soils
17%
leaching
16%
heavy metals
15%
anaerobic ammonium oxidation
15%
vegetation
15%
graphene
14%
indigenous species
14%
methanogens
13%
minerals
13%
carbon dioxide
12%
bacteria
12%
soil bacteria
11%
arsenic
11%
fungi
10%
clay
9%
nitrates
9%
stainless steel
9%
sediments
8%
Desulfovirga
8%
soil pH
8%
genes
7%
East China Sea
7%