Agriculture & Biology
dissolved organic carbon
100%
global warming
78%
water table
51%
global carbon budget
45%
fens
27%
bogs
26%
Arctic region
22%
climate change
17%
soil carbon
12%
carbon sinks
12%
biogeochemical cycles
11%
peat
11%
developing countries
10%
plant communities
10%
ultraviolet radiation
9%
lakes
8%
temperature
8%
rivers
8%
carbon dioxide
8%
ecosystems
7%
gases
7%
Earth & Environmental Sciences
peatland
76%
global warming
62%
water table
38%
carbon budget
36%
fen
25%
warming
16%
subarctic region
15%
biogeochemical cycle
11%
mesocosm
11%
trace gas
11%
Arctic Ocean
11%
soil carbon
10%
plant community
10%
peat
9%
temperature
7%
radiation
7%
productivity
7%
measuring
7%
ecosystem
6%
lake
6%
world
6%
river
5%
effect
4%
rate
3%