Agriculture & Biology
Picea sitchensis
100%
Scotland
60%
stems
35%
seedlings
25%
conifers
24%
tree growth
21%
juvenile wood
21%
Pinus sylvestris
21%
shade
20%
canopy
15%
wood quality
14%
Hylobius abietis
14%
monoterpenoids
14%
nutrients
14%
Curculionidae
13%
Tsuga heterophylla
13%
species recruitment
12%
natural regeneration
12%
climate change
12%
biomass
12%
degradation
12%
Abies procera
12%
Hylobius
12%
Pinus
11%
compression wood
11%
mechanical properties
11%
forestry
11%
drought
10%
Pseudotsuga menziesii
10%
species diversity
10%
Phytophthora ramorum
10%
plantations
10%
wood density
9%
Larix kaempferi
9%
pith
9%
bioenergy
9%
nitrogen cycle
9%
thinning (plants)
8%
forest stands
8%
soil
8%
modulus of rupture
8%
growth rings
8%
Ireland
7%
sampling
7%
specific gravity
7%
stand structure
7%
bark
7%
angle of incidence
7%
modulus of elasticity
7%
shoots
6%
Earth & Environmental Sciences
stem
57%
seedling
42%
pine
27%
coniferous tree
24%
wood quality
19%
forestry
18%
biomass
18%
monoterpene
17%
natural forest
17%
timber
17%
root system
17%
drought
16%
damage
15%
climate change
15%
decomposition
14%
nutrient
13%
crack
12%
natural regeneration
12%
climate
12%
cracking (fracture)
11%
coniferous forest
11%
regeneration
11%
canopy
10%
basal area
10%
harvest
9%
shoot
9%
thinning
9%
loss
9%
bark
9%
bioenergy
9%
plantation
8%
elasticity
8%
carbon sink
7%
germination
7%
breeding
7%
plant defense
7%
soil
7%
restoration
7%
effect
7%
rupture
6%
mechanical property
6%
crop
6%
compression
5%
distribution
5%
moisture
5%
environmental impact
5%
drought stress
5%
fuelwood
5%
stocking density
5%
freshwater resource
5%