Agriculture & Biology
treeline
100%
Arctic region
75%
temperature
18%
forest growth
12%
Calvin cycle
10%
partial pressure
10%
growth habit
10%
vegetation structure
10%
snow
10%
frost
9%
tree growth
9%
soil temperature
9%
meristems
9%
shade
7%
tissues
7%
cell division
7%
ripening
7%
shrubs
7%
drought
7%
carbon dioxide
6%
ambient temperature
6%
vegetation
6%
carbon
5%
stems
5%
Earth & Environmental Sciences
treeline
85%
world
40%
cold
18%
temperature
16%
tissue
12%
carbon fixation
11%
ripening
11%
cold air
10%
facilitation
10%
shading
10%
frost
9%
partial pressure
9%
ambient air
8%
soil temperature
8%
shrub
8%
low pressure
8%
regeneration
7%
snow
7%
air temperature
7%
drought
7%
transition
5%
cell
5%
vegetation
5%
exposure
5%
carbon
5%
Medicine & Life Sciences
Cold Temperature
42%
Growth
36%
Temperature
34%
Physiognomy
21%
Droughts
19%
Meristem
18%
Carbon Cycle
18%
Snow
17%
Forests
14%
Partial Pressure
14%
Soil
12%
Physiological Phenomena
12%
Carbon
11%
Habits
11%
Cell Division
11%
Regeneration
10%
Air
9%
Light
8%
Engineering & Materials Science
Temperature
28%
Tissue
17%
Drought
15%
Carbon
15%
Snow
12%
Partial pressure
12%
Cells
9%
Soils
8%
Availability
7%
Air
5%
Social Sciences
Arctic
81%
drought
14%
habits
10%
air
9%
cause
7%
evidence
5%