Earth & Environmental Sciences
tundra
85%
bird
62%
ice core
57%
ice
50%
vegetation
45%
ice sheet
43%
warming
40%
glacier
39%
boreal forest
36%
climate
35%
climate change
32%
sea level rise
29%
shrub
29%
grazing
28%
effect
27%
temperature
27%
sea ice
26%
winter
24%
habitat
22%
grounding line
21%
snow
21%
ice shelf
21%
ecosystem
21%
permafrost
21%
sea level
20%
ice cap
20%
Antarctica
20%
pine
19%
urbanization
19%
biodiversity
19%
species richness
19%
summer
18%
treeline
18%
land
17%
melt
16%
aerosol
16%
simulation
16%
biome
16%
ground penetrating radar
16%
soil
16%
sulfate
15%
twenty first century
15%
bird species
15%
mass balance
15%
Europe
14%
pasture
14%
city
14%
rate
13%
carbon
13%
herbivore
13%
old-growth forest
12%
melting
12%
loss
12%
predator
12%
mountain
12%
ocean
12%
productivity
12%
radar
12%
project
11%
snow cover
11%
snowpack
11%
distribution
11%
coarse woody debris
11%
disturbance
11%
trampling
11%
plant community
11%
friction
10%
climate modeling
10%
fungus
10%
accumulation rate
10%
experiment
10%
tundra soil
10%
world
9%
breeding
9%
meltwater
9%
ion
9%
Arctic Oscillation
9%
Arctic ecosystem
9%
radiative forcing
9%
pollen
9%
regional climate
9%
wavelet
9%
parasite
9%
escape behavior
9%
forestry
9%
urban habitat
9%
soil carbon
9%
urban landscape
9%
dead wood
9%
biomass
9%
albedo
9%
nest
8%
trend
8%
ice flow
8%
time series
8%
policy
8%
plateau
8%
damage
8%
seedling
8%
modeling
8%
Agriculture & Biology
reindeer
100%
tundra
70%
Finland
58%
Arctic region
49%
birds
43%
boreal forests
37%
ecosystems
33%
vegetation
25%
habitats
25%
urbanization
23%
winter
21%
Lyrurus tetrix
20%
herding
19%
species richness
18%
Ficedula hypoleuca
17%
grazing
16%
Scandinavia
16%
coarse woody debris
15%
permafrost
15%
Russia
15%
snow
14%
ultraviolet radiation
14%
climate
14%
herbivores
14%
climate change
14%
old-growth forests
14%
shrubs
13%
willows
13%
biodiversity
13%
Lapland
13%
snowpack
12%
breeding
12%
treeline
12%
soil
11%
towns
11%
ice
11%
Picea
11%
dead wood
10%
tundra soils
9%
predation
9%
Tetrao urogallus
9%
pastures
9%
soil carbon
9%
Betula
9%
predators
9%
subarctic soils
8%
Betula pubescens var. pumila
8%
anthropogenic activities
8%
nests
8%
Simuliidae
8%
parasites
8%
plant communities
8%
species diversity
8%
Parus
8%
Rangifer tarandus tarandus
8%
remote sensing
7%
grouse
7%
land use change
7%
malnutrition
7%
Siberia
7%
carbon sequestration
7%
herds
7%
Pinus sylvestris
7%
lichens
7%
summer
7%
coniferous forests
6%
forestry
6%
grazing intensity
6%
industrialization
6%
mountains
6%
Pica pica
6%
land use
6%
foraging
6%
logging
6%
forest birds
6%
urban areas
6%
land cover
6%
infrastructure
6%
global warming
6%
antipredatory behavior
5%
homogenization
5%
escape behavior
5%
temperature
5%
forest soils
5%
graminoids
5%
species abundance
5%
forage
5%
temporal variation
5%
vegetation types
5%
gender
5%
hemoparasites
5%
grazing effects
5%
Northern European region
5%
geography
5%
seed trees
5%
fungi
5%
clutch size
5%
fearfulness
5%
paternity
5%
geographical variation
5%