Earth & Environmental Sciences
watershed
100%
food web
98%
lake
96%
river
95%
nitrogen
72%
phosphorus
67%
stable isotope
61%
nutrient
58%
methylmercury
54%
denitrification
50%
wetland
47%
ecosystem
44%
stormwater
44%
nitrate
41%
tundra
40%
invertebrate
38%
carbon
37%
bryophyte
36%
riffle
36%
alga
36%
headwater
35%
water
33%
biomass
32%
carbon isotope ratio
30%
rate
28%
periphyton
27%
insect
26%
winter
24%
aquatic ecosystem
23%
carbon isotope
23%
energy flow
23%
fish
23%
river basin
23%
sediment
23%
water quality
22%
summer
22%
metabolism
22%
removal
21%
food chain
21%
pond
21%
chlorophyll a
20%
mercury
20%
primary production
20%
groundwater
20%
predator
20%
baseflow
20%
Agriculture & Biology
rivers
95%
food webs
79%
stable isotopes
72%
lakes
65%
carbon isotopes
54%
Lake Superior
50%
Hygrohypnum
47%
ecosystems
46%
tundra
44%
denitrification
38%
dissolved organic matter
37%
stormwater
36%
Bryophyta
33%
water quality
32%
algae
31%
wetlands
31%
nitrogen
31%
carbon
31%
sediments
30%
periphyton
29%
Arctic region
29%
nutrients
26%
phosphorus
25%
Salmo trutta
25%
invertebrates
24%
spatial variation
23%
nitrates
23%
groundwater
22%
water
22%
energy flow
22%
biomass
21%
chlorophyll
21%
ammonium
21%
wetland restoration
19%
Great Lakes
19%
temporal variation
18%
stoichiometry
18%
fish
17%
winter
17%
forested watersheds
17%
food chain
17%
hydrology
16%
total suspended solids
16%
particulates
15%
environmental factors
15%
predators
15%
Cladophora
15%
trajectories
15%
primary productivity
15%
summer
15%