Agriculture & Biology
Pinus strobus
79%
blister rust
59%
Pinus
45%
wilderness
44%
climate change
42%
Pinus resinosa
39%
ecotones
38%
global warming
37%
boreal forests
34%
fire regime
29%
fire history
26%
temperature
24%
coniferous forests
23%
insect outbreaks
22%
canopy
22%
seedlings
22%
Malacosoma disstria
21%
experimental forests
20%
temperate forests
20%
Pinus banksiana
19%
prescribed burning
19%
soil heating
19%
hardwood forests
18%
understory
18%
herbaceous plants
18%
soil
17%
Pinus cembra
16%
Eurybia macrophylla
16%
shrubs
16%
Cronartium ribicola
16%
fire scars
16%
small mammals
15%
wildfires
15%
Betula papyrifera
15%
fungal communities
15%
Populus tremuloides
15%
climate
14%
Pinus peuce
14%
Superior National Forest
14%
herbs
14%
rust diseases
14%
rain
14%
herbivores
14%
ecosystems
14%
grafting (plants)
14%
Corylus cornuta
13%
growth rings
13%
lakes
13%
Betula
13%
cankers (plants)
13%
Inonotus hispidus
13%
seed orchards
13%
Maianthemum
13%
acclimation
13%
Fraxinus nigra
12%
insects
12%
Sorex cinereus
12%
heart rot
12%
vegetation
12%
vernal pools
11%
Lake Superior
11%
Tamias striatus
11%
Pinus koraiensis
11%
bark
11%
phenology
10%
history
10%
forest management
10%
records (publications)
10%
soil biota
10%
germination
10%
forest fires
10%
Microtus pennsylvanicus
10%
habitats
10%
Larix decidua
10%
tree breeding
10%
landowners
9%
plant communities
9%
Nematoda
9%
logging
9%
selection intensity
9%
decayed wood
9%
conifer needles
9%
saplings
9%
Pinus ponderosa
9%
Peromyscus
9%
decay fungi
9%
fungi
9%
plant biochemistry
9%
managers
9%
selection methods
8%
adventitious roots
8%
soil temperature
8%
adventitious shoots
8%
Rhamnus cathartica
8%
nitrous oxide
8%
greenhouse gas emissions
8%
plant diseases and disorders
7%
heat sums
7%
seeds
7%
Earth & Environmental Sciences
warming
100%
pine
82%
ecotone
42%
boreal forest
37%
wilderness
35%
rust disease
32%
wilderness area
31%
prescribed burning
29%
temperate forest
26%
soil
22%
canopy
21%
fire history
21%
insect
20%
seed
20%
effect
18%
temperature
18%
nematode
18%
synchrony
18%
herb
17%
small mammal
17%
foliage
16%
plant species
16%
herbivore
16%
research center
15%
spray
14%
caterpillar
13%
forestry
13%
tree ring
13%
lake
13%
regeneration
13%
seedling
12%
fungus
12%
understory
11%
ephemeral pool
10%
rainfall
10%
weed control
10%
coniferous tree
10%
reforestation
10%
soil biota
9%
inoculation
9%
phenology
9%
rootstock
9%
water
9%
stocking
9%
growth response
9%
sapling
9%
genotype
9%
plant community
9%
flowering
8%
egg
8%
soil temperature
8%
forest management
8%
viability
8%
history
8%
germination
8%
soil organic matter
8%
plant breeding
8%
bark
8%
climate change adaptation
8%
acclimation
8%
wildfire
8%
soil moisture
7%
deer
7%
global warming
7%
enzyme activity
7%
fertility
7%
vegetation
7%
vegetative propagation
7%
breeding
7%
fur
7%
drought
7%
food web
6%
ownership
6%
energetics
6%
pollen
6%
national park
6%
habitat
6%
greenhouse gas emissions
6%
ecosystem
6%
carbon
6%
humidity
6%
photosynthesis
6%
fungal disease
5%
border
5%
nitrogen
5%
weather
5%
landowner
5%
global change
5%
plant disease
5%
sustainability
5%
watershed
5%
travel
5%
state forest
5%
valley
5%
community composition
5%