Agriculture & Biology
tundra
87%
tundra soils
50%
ecosystems
40%
permafrost
39%
reindeer
39%
grazing
33%
Arctic region
32%
soil
27%
subarctic soils
24%
Empetrum hermaphroditum
22%
mountains
21%
Betula nana
21%
Rangifer tarandus
20%
carbon sequestration
20%
climate change
20%
snowmelt
18%
soil fungi
18%
soil carbon
17%
nitrogen
16%
Greenland
16%
photooxidation
16%
grazing intensity
16%
plant nitrogen content
15%
boreal forests
15%
forest habitats
15%
extracellular enzymes
15%
soil organic matter
14%
voles
14%
vegetation types
14%
herbivores
14%
climate
13%
Betula
13%
thawing
13%
mosses and liverworts
12%
solutes
12%
vegetation
10%
Pleurozium schreberi
10%
history
9%
shrubs
8%
organisms
8%
microbial enzymes
8%
global warming
8%
enzyme activity
8%
winter
8%
frigid soils
8%
nutrient availability
8%
carbon sinks
7%
plant communities
7%
metabolism
7%
fungal communities
7%
Earth & Environmental Sciences
tundra
77%
warming
54%
tundra soil
53%
grazing
37%
permafrost
31%
soil
30%
ecosystem
22%
vegetation
20%
frost
20%
soil nitrogen
18%
Arctic ecosystem
17%
trampling
17%
climate change
16%
mountain
16%
soil carbon
16%
photooxidation
15%
carbon
15%
mesocosm
14%
habitat
14%
ecosystem process
14%
effect
14%
thawing
14%
snowmelt
13%
moss
13%
herbivore
13%
community composition
13%
biota
13%
boreal forest
13%
vegetation type
12%
wetting
12%
soil organic matter
12%
nitrogen
12%
carbon sequestration
11%
climate
11%
global climate
11%
solute
11%
nutrient
11%
metabolism
10%
microclimate
10%
rate
8%
meadow
7%
winter
7%
ecosystem structure
7%
herbivory
7%
plant community
7%
biomass
7%
litter
6%
removal
6%
shrub
6%
peatland
6%
Medicine & Life Sciences
Tundra
100%
Soil
70%
Reindeer
65%
Ecosystem
36%
Carbon Sequestration
27%
Fertilization
26%
Permafrost
24%
Mycobiome
21%
Biota
20%
Climate Change
19%
Climate
19%
Oligochaeta
19%
Herbivory
19%
Betula
18%
Light
15%
Nitrogen
15%
Flavonols
11%
Nutrients
10%
Temperature
10%
History
9%
batatasin-III
7%
Hydrolyzable Tannins
6%
myricetin
6%
Grassland
6%
Carbon
5%
Quercetin
5%
