Agricultural and Biological Sciences
Agrilus planipennis
18%
Americans
7%
Annuals
15%
Area
13%
Biochar
15%
Biodiversity
9%
Biomass
18%
Birds
15%
Canopy
22%
Christmas Trees
10%
Climate
13%
Compost
8%
Cytisus scoparius
16%
Depth
15%
Diameter
11%
Ecosystems
23%
Fir
68%
Forests
100%
Fraxinus
8%
Fraxinus nigra
41%
Girdling
11%
Growing Season
10%
Habitats
13%
Harvesting
13%
Height
9%
Herbicide
7%
Hydrology
11%
Jack Pine
10%
Lakes
24%
Marshland
65%
Mortality
20%
Nutrients
21%
Overstory
11%
Physiology
10%
Plant Communities
9%
Planting
12%
Pseudotsuga menziesii
18%
Research
8%
Risk
10%
Seasons
11%
Seedling
34%
Soil
48%
Soil Chemical Properties
11%
Soil Respiration
15%
Soil Temperature
12%
Soil Water
10%
Temperature
8%
Trees
64%
Vegetation
81%
Water Table
15%
Earth and Planetary Sciences
Area
11%
Ash
44%
Beryl
26%
Carbon
17%
Catchment
10%
Climate
12%
Debris
11%
Depth
8%
Ecosystem
10%
Erosion
10%
Forest
65%
Frost
10%
Growth
8%
Harvest
25%
Harvesting
9%
Impact
14%
Infestation
8%
Investigation
11%
Landsat
14%
Landscape
9%
Management
7%
Microtopography
15%
Minnesota
55%
Model
16%
Nitrogen
15%
Optical Radar
10%
Oregon
10%
Peak Flow
10%
Peatland
10%
Pool
12%
Productivity
11%
Regime
8%
Relief
10%
Removal
19%
Response
25%
Runoff
8%
Site
36%
Snow
12%
Soil
27%
Soil Physical Property
10%
Soil Respiration
10%
Species
9%
State
10%
Temperature
11%
Time
12%
United States of America
61%
Vegetation
47%
Water Table
16%
Watershed
13%
Winter
8%