Agriculture & Biology
algae
11%
Arctic region
88%
biomass
8%
carbon
18%
carbon isotopes
16%
Daphnia
100%
diet
7%
dissolved organic matter
41%
energy requirements
14%
food webs
15%
Greenland
18%
lakes
11%
nitrogen
8%
nutrients
8%
organic matter
25%
phytoplankton
14%
primary productivity
33%
secondary productivity
19%
stable isotopes
29%
uncertainty
14%
zooplankton
29%
Earth & Environmental Sciences
alga
11%
analysis
11%
biomass
8%
carbon
15%
carbon isotope
13%
diet
12%
dissolved organic matter
28%
enclosure experiment
21%
energy
6%
food
9%
food web
13%
lake
8%
nitrogen
8%
nutrient
9%
organic matter
18%
phytoplankton
11%
pond
72%
primary production
26%
resource
47%
secondary production
18%
stable isotope
23%
zooplankton
25%