Earth & Environmental Sciences
pine
87%
soil
62%
ecosystem
61%
climate
46%
wildfire
40%
restoration
39%
effect
39%
carbon
38%
vegetation
38%
warming
32%
climate change
30%
drought
30%
lake
28%
asteroid
28%
mountain
27%
habitat
27%
Holocene
26%
beetle
26%
fungus
25%
nitrogen
25%
grassland
25%
productivity
25%
coniferous tree
25%
Mars
22%
rate
22%
mortality
21%
plateau
21%
seedling
21%
canyon
21%
basin
21%
temperature
21%
biomass
21%
sediment
21%
distribution
20%
genotype
20%
permafrost
20%
disturbance
20%
herbivore
20%
thinning
20%
North America
19%
crater
19%
analysis
19%
desert
19%
history
19%
river
19%
insect
18%
land
18%
understory
18%
litter
17%
gene
17%
modeling
17%
bark
17%
tourism
17%
herbivory
17%
canopy
17%
water
17%
tundra
16%
oak
16%
soil carbon
16%
resource
16%
community composition
16%
soil crust
16%
valley
16%
arthropod
16%
phenology
15%
shrub
15%
amino acid
15%
woodland
15%
science
15%
bat
15%
seed
15%
experiment
15%
regeneration
15%
loss
15%
plant community
15%
microbial community
14%
young
14%
bird
14%
plant species
14%
national park
14%
grass
14%
decomposition
14%
pollen
14%
dust
14%
genetic variation
14%
racemization
14%
biodiversity
14%
ecology
13%
comparison
13%
ice
13%
nutrient
13%
albedo
13%
infection
13%
detection
13%
method
12%
project
12%
respiration
12%
DNA
12%
trend
12%
test
12%
Agriculture & Biology
Pinus ponderosa
100%
ecosystems
86%
coniferous forests
56%
soil
53%
wildfires
49%
climate
46%
climate change
42%
carbon
38%
vegetation
37%
drought
30%
biological soil crusts
28%
herbivores
27%
habitats
26%
Arceuthobium
24%
Pinus
23%
fire regime
22%
nitrogen
22%
Southwestern United States
21%
grasslands
21%
thinning (plants)
20%
bark beetles
20%
ecological restoration
19%
permafrost
19%
Pinus edulis
18%
biodiversity
18%
microbial communities
18%
tundra
17%
lakes
16%
woodlands
16%
prescribed burning
16%
understory
16%
canopy
16%
water
16%
fire severity
16%
temperature
16%
canyons
16%
Quercus
16%
genetic variation
15%
plant communities
15%
species diversity
15%
Populus fremontii
15%
ecology
15%
methodology
15%
shrubs
14%
leaves
14%
forest restoration
14%
Chiroptera
14%
sediments
14%
soil carbon
14%
degradation
14%
Populus angustifolia
14%
mountains
14%
mycorrhizal fungi
14%
sampling
14%
carbon dioxide
14%
arid lands
14%
genotype
14%
managers
13%
fungi
13%
biomass
13%
shrublands
13%
conifers
13%
community structure
12%
terrestrial ecosystems
12%
deserts
12%
seedlings
12%
gross primary productivity
12%
Coleoptera
12%
nutrients
12%
phenology
12%
fungal communities
12%
plant litter
12%
birds
12%
species richness
12%
environmental factors
12%
boreal forests
12%
mixed forests
12%
arthropod communities
11%
ecological function
11%
carbon sinks
11%
phylogeny
11%
tree mortality
11%
genome
11%
net primary productivity
11%
case studies
11%
Burkholderia pseudomallei
11%
Arctic region
11%
uncertainty
11%
meta-analysis
11%
mosses and liverworts
11%
fuels (fire ecology)
11%
history
11%
testing
11%
rivers
10%
prediction
10%
grasses
10%
Pseudotsuga menziesii
10%
Mexico
10%
pathogens
10%
infection
10%
Medicine & Life Sciences
Soil
86%
Ecosystem
78%
Microbiota
40%
Forests
40%
Genome
39%
Carbon
38%
Climate
34%
Students
33%
Burkholderia pseudomallei
32%
North American Indians
29%
Population
29%
Bacillus anthracis
27%
Climate Change
26%
Exercise
23%
Muscles
23%
Water
23%
Health
21%
Growth
20%
Temperature
19%
Walking
19%
Education
18%
Droughts
18%
Fungi
18%
Bacteria
18%
Single Nucleotide Polymorphism
17%
Populus
17%
Genes
17%
Ecology
16%
Coccidioides
16%
Melioidosis
16%
Nitrogen
16%
Child
15%
Biodiversity
15%
Tundra
15%
Genotype
15%
Francisella tularensis
15%
Yersinia pestis
14%
Minisatellite Repeats
14%
Connectin
14%
Genetic Variation
14%
Disease Outbreaks
14%
DNA
14%
Grassland
14%
Animals
13%
Infections
13%
Biomass
12%
Mycobiome
12%
Coleoptera
12%
Chiroptera
12%
Hispanic Americans
12%
Public Health
12%
Permafrost
12%
Pressure
12%
Pandemics
12%
Pinus
11%
Herbivory
11%
Ticks
11%
Coccidioidomycosis
11%
Sciuridae
11%
Soybeans
11%
Foot
11%
Phylogeny
11%
North America
10%
Language
10%
Plague
10%
Sports
10%
Burkholderia
10%
Pinus ponderosa
10%
Carbon Sequestration
10%
Skeletal Muscle
10%
Genomics
10%
Psychology
10%
Isotopes
9%
Athletes
9%
Costs and Cost Analysis
9%
Research Personnel
9%
Whole Genome Sequencing
9%
Lung
9%
Datasets
9%
Learning
9%
Anthrax
9%
Delivery of Health Care
9%
Ankle
9%
Gait
9%
Carbon Cycle
9%
Respiration
9%
Nutrients
9%
Caregivers
8%
Anura
8%
Mutation
8%
Equipment and Supplies
8%
Wildfires
8%
Therapeutics
8%
Food
8%
Mammals
8%
Wounds and Injuries
8%
Gases
8%
Fishes
8%
Alaska Natives
8%
Proteins
8%