Earth & Environmental Sciences
beetle
79%
pine
61%
weather
49%
anomaly
48%
mountain
46%
population outbreak
34%
aridity
22%
temperature
19%
bark
11%
climate
10%
polygon
10%
native species
10%
boreal forest
10%
insect
9%
temporal variation
8%
volcanic eruption
8%
spatial variation
8%
drought
8%
North America
7%
winter
6%
climate change
5%
history
5%
trend
5%
Agriculture & Biology
Dendroctonus ponderosae
100%
weather
62%
dry environmental conditions
25%
temperature
23%
Canada
20%
climate
18%
aerial surveys
17%
Pinus banksiana
15%
Rocky Mountain region
15%
Pinus contorta var. latifolia
15%
boreal forests
14%
bark beetles
14%
spatial variation
12%
coniferous forests
12%
temporal variation
12%
Curculionidae
12%
Pinus
10%
indigenous species
10%
climate change
10%
drought
9%
history
9%
Coleoptera
8%
winter
7%
insects
7%