Landbrug og biologi
isotope fractionation
100%
photosynthetic bacteria
86%
carbon isotopes
82%
lakes
57%
sulfur
39%
particulate organic carbon
37%
dissolved inorganic carbon
35%
sediments
32%
autotrophs
26%
isotopes
23%
fractionation
19%
bacterial biomass
16%
Switzerland
12%
biomarkers
10%
biochemical pathways
9%
iron
8%
carbon
7%
metabolism
6%
lipids
6%
water
4%
Geo- og miljøvidenskab
carbon isotope
66%
fractionation
58%
isotope
52%
bacterium
44%
lake
41%
dissolved inorganic carbon
20%
particulate organic carbon
20%
sulfur
19%
meromictic lake
12%
sediment
12%
sulfur cycle
11%
biomarker
8%
mass balance
7%
lipid
7%
metabolism
7%
water column
7%
iron
5%
biomass
5%
carbon
4%
material
3%
experiment
3%