Agriculture & Biology
Lake Superior
100%
food webs
73%
stable isotopes
69%
wetlands
64%
Osmerus mordax
34%
Perca flavescens
30%
carbon
21%
methodology
17%
Sander vitreus
15%
carbon isotopes
12%
nitrogen
12%
organisms
12%
trophic levels
12%
macrophytes
11%
phytoplankton
11%
isotopes
11%
fisheries
10%
lakes
9%
biomass
6%
energy
6%
habitats
6%
sampling
3%
Earth & Environmental Sciences
food web
61%
stable isotope
56%
wetland
51%
lake
38%
carbon
22%
young
18%
organism
18%
analysis
17%
carbon isotope ratio
16%
coastal wetland
15%
nitrogen isotope
15%
rainbow
14%
macrophyte
13%
trophic level
13%
fishery
10%
habitat
8%
biomass
8%
nitrogen
7%
energy
6%
water
4%