Landbrug og biologi
tundra
66%
snow
58%
winter
34%
nitrogen
30%
summer
29%
growing season
23%
soil
18%
soil temperature
15%
vascular plants
15%
leaves
13%
frigid soils
12%
snowmelt
10%
fences
9%
organic soils
8%
biogeochemical cycles
8%
Norway
7%
soil water
6%
climate change
6%
temperature
5%
uptake mechanisms
4%
nutrients
4%
Medicin og biovidenskab
Tundra
100%
Snow
77%
Soil
56%
Nitrogen
51%
Temperature
16%
Svalbard
10%
Nutrients
9%
Plant Leaves
8%
Climate Change
8%
Blood Vessels
6%
Growth
2%
Geo- og miljøvidenskab
tundra
56%
snow
41%
winter
31%
nitrogen
31%
growing season
27%
summer
25%
soil
19%
vascular plant
16%
soil temperature
14%
warming
11%
open-top chamber
10%
nutrient cycling
8%
snowmelt
7%
organic soil
7%
dilution
6%
soil moisture
6%
temperature
5%
nutrient
4%
demand
4%
climate change
4%
effect
1%