Landbrug og biologi
Tetragona
100%
Arctic region
66%
deserts
60%
shrubs
54%
summer
41%
North Atlantic Oscillation
20%
climate
15%
oscillation
12%
permafrost
9%
dendrochronology
9%
snowpack
8%
Greenland
8%
temperature
7%
snow
7%
global warming
6%
melting
6%
water supply
6%
thawing
6%
ice
6%
Canada
5%
growing season
5%
winter
4%
shoots
4%
Geo- og miljøvidenskab
shrub
58%
desert
52%
warming
49%
summer
36%
world
36%
Arctic Oscillation
16%
North Atlantic Oscillation
14%
climate
13%
chronology
11%
dendrochronology
8%
temperature
7%
thawing
6%
shoot
6%
twentieth century
6%
snow cover
6%
permafrost
6%
growing season
5%
snow
5%
water supply
5%
melting
4%
cold
4%
ice
4%
winter
3%
station
3%
index
3%
Kemiske forbindelser
Densification
17%
Melting
13%
Length
9%