Earth & Environmental Sciences
carbon isotope ratio
89%
chronosequence
83%
nitrogen isotope
80%
forest fire
73%
boreal forest
71%
moss
59%
stable isotope
59%
feather
34%
vascular plant
31%
humus
30%
soil
29%
cyanobacterium
26%
isotopic fractionation
16%
foliage
15%
ecosystem process
15%
understory
14%
fixation
13%
shrub
12%
plant species
12%
fungus
12%
mineralization
10%
nitrogen
8%
carbon
7%
trend
7%
method
3%
Agriculture & Biology
forest fires
100%
chronosequences
96%
boreal forests
84%
carbon isotopes
82%
Pleurozium schreberi
44%
nitrogen
40%
soil
35%
humus
33%
carbon nitrogen ratio
29%
vascular plants
29%
mosses and liverworts
27%
Cyanobacteria
25%
isotope fractionation
20%
plant stress
15%
understory
14%
mineralization
13%
Sweden
13%
mycorrhizal fungi
13%
shrubs
12%
ecosystems
10%
carbon
9%
leaves
6%
methodology
3%