Earth & Environmental Sciences
light availability
100%
headwater
79%
food web
72%
carbon
44%
invertebrate
36%
bacterium
26%
tracer
22%
assimilation
12%
canopy
11%
caddisfly
10%
shredder
9%
mayfly
9%
organic matter
9%
riparian forest
8%
subsidy
7%
carbon flux
7%
trophic level
7%
primary production
6%
acetate
6%
biofilm
6%
respiration
6%
assay
6%
stable isotope
6%
budget
5%
ammonium
5%
alga
5%
experiment
5%
isotope
5%
Agriculture & Biology
food webs
86%
carbon
51%
invertebrates
35%
bacteria
23%
isotope labeling
19%
tracer techniques
14%
organic matter
12%
Adirondacks
11%
canopy
11%
scrapers
10%
riparian forests
9%
subsidies
8%
primary productivity
8%
Ephemeroptera
8%
Trichoptera
8%
carbon dioxide fixation
8%
trophic levels
7%
stable isotopes
7%
biofilm
7%
ammonium
6%
assimilation (physiology)
6%
breathing
5%
algae
5%
acetates
5%
ecosystems
5%
Chemical Compounds
Food
55%
Carbon Atom
36%
Organic Matter
13%
Ecosystem
7%
Environment
7%
Stable Isotope
7%
Nutrient
6%
Leaf Like Crystal
5%