Earth & Environmental Sciences
ecosystem structure
96%
ecosystem process
88%
nutrient
51%
lake
46%
phosphorus
41%
energy
38%
material
32%
nutrient use efficiency
23%
food web
20%
trophic level
14%
nutrient balance
10%
pelagic ecosystem
9%
seston
9%
secondary production
9%
lake ecosystem
8%
ecosystem
8%
freshwater ecosystem
8%
nutrient availability
8%
carbon
8%
nutrient cycling
7%
solar energy
7%
prediction
7%
mixed layer
6%
grazing
6%
particulate matter
6%
Agriculture & Biology
energy balance
83%
lakes
65%
ecosystems
59%
nutrients
47%
phosphorus
42%
food webs
24%
trophic levels
16%
nutrient use efficiency
16%
seston
10%
secondary productivity
10%
prediction
9%
carbon
9%
nutrient balance
9%
solar energy
8%
energy
8%
biogeochemical cycles
8%
nutrient availability
7%
particulates
7%
grazing
5%
Medicine & Life Sciences
Lakes
100%
Ecosystem
88%
Nutrients
67%
Phosphorus
61%
Light
56%
Food Chain
29%
Carbon
14%
Solar Energy
13%
Fresh Water
8%
Particulate Matter
8%