Earth & Environmental Sciences
trucking
90%
biomass
36%
economics
34%
income tax
32%
cost
30%
evaluation
28%
cost increase
26%
inflation
22%
understory
21%
removal
20%
energy production
20%
container
19%
accessibility
18%
pile
17%
moisture content
17%
bone
16%
hazard
14%
speed
12%
rate
6%
analysis
5%
Agriculture & Biology
fire break
100%
slash
79%
economic evaluation
75%
trucks
43%
biomass
36%
income tax
13%
fire hazard
11%
winches
11%
loaders
10%
employment opportunities
10%
woody biomass
9%
contractors
9%
inflation
9%
wood chips
8%
tree and stand measurements
7%
understory
7%
containers
6%
bones
6%
hands
6%
water content
5%
energy
4%
Engineering & Materials Science
Trucks
55%
Biomass
54%
Economics
38%
Costs
18%
Winches
16%
Fire hazards
15%
Loaders
15%
Brushes
14%
Taxation
13%
Contractors
11%
Bone
11%
Piles
11%
Containers
11%
Moisture
10%