Earth & Environmental Sciences
methane
77%
peatland
70%
peat
41%
wetland
39%
stem
35%
dissolved organic carbon
31%
greenhouse gas
25%
ecosystem
25%
acid rain
22%
fen
21%
sulfate
21%
carbon
15%
landfill
15%
greenhouse gas emissions
15%
ditch
14%
loss
14%
carbon balance
14%
mesocosm
13%
volcanic eruption
13%
drainage
12%
plantation
12%
water table
11%
organic carbon
10%
soil
10%
native species
9%
litter
9%
blue carbon
9%
plant species
8%
temperature
8%
nitrous oxide
8%
atmosphere
8%
cold
8%
carbon flux
8%
trace gas
8%
wet season
7%
marsh
7%
aerosol
7%
effect
7%
dissolved inorganic nitrogen
7%
starvation
7%
atmospheric carbon dioxide
7%
carbon budget
6%
gas
6%
flux measurement
6%
spectroscopy
6%
total organic carbon
6%
macropore
6%
volatile organic compound
6%
freezing
6%
Southeast Asia
6%
Agriculture & Biology
methane
100%
peatlands
45%
peat
35%
wetlands
25%
methane production
25%
ecosystems
23%
fens
23%
dissolved organic carbon
22%
water table
17%
stems
17%
acid rain
16%
lowland forests
16%
sulfates
15%
organic carbon
12%
carbon
12%
carbon dioxide
11%
blue carbon
11%
greenhouse gases
10%
bogs
9%
meadow soils
9%
total organic carbon
9%
Alnus glutinosa
9%
upland soils
8%
global carbon budget
8%
forest types
8%
greenhouse gas emissions
8%
macropores
8%
tropical forests
8%
alluvial soils
8%
soil
7%
wet season
7%
forest plantations
7%
soil respiration
7%
cropland
7%
gases
6%
volatile organic compounds
6%
global warming potential
6%
nitrous oxide
6%
Amoeba
6%
saplings
6%
Elaeis guineensis
6%
plantations
6%
cold storage
6%
soil temperature
6%
temperature
5%
particulate organic carbon
5%
starvation
5%
high water table
5%
empirical models
5%