Medicine & Life Sciences
Nitrogen Cycle
100%
Climate Change
73%
Nitrogen
52%
Oceans and Seas
38%
Nitrification
24%
Denitrification
21%
Budgets
15%
Gases
11%
Nitrogen Fixation
10%
Oxygen
9%
Seawater
8%
Rivers
8%
Nitrous Oxide
7%
Atmosphere
7%
Climate
7%
Ecosystem
7%
Human Activities
6%
Carbon
6%
Water
4%
Agriculture & Biology
nitrogen cycle
69%
oceans
46%
climate change
44%
nitrogen
30%
nitrous oxide
30%
denitrification
21%
nitrification
21%
anaerobic ammonium oxidation
15%
gases
13%
atmospheric deposition
13%
oxygen
12%
ecological function
10%
surface water
9%
ecosystem services
9%
anthropogenic activities
9%
nitrogen fixation
9%
assimilation (physiology)
8%
seawater
7%
climate
7%
rivers
6%
microorganisms
5%
carbon
5%
Chemical Compounds
Nitrogen Cycle
87%
Nitrogen
31%
Nitrification
23%
Denitrification
19%
Nitrogen Fixation
10%
Dinitrogen
9%
Ecosystem
9%
Gas
7%
Surface Water
7%
Dioxygen
7%
Chemical Transformation
4%
Environment
4%
Carbon Atom
3%