Earth & Environmental Sciences
Holocene
100%
lake
84%
basin
69%
mountain
60%
sediment
59%
climate
57%
amino acid
52%
racemization
52%
vegetation
51%
plateau
50%
pollen
48%
canyon
46%
zircon
44%
Pleistocene
42%
volcanic eruption
41%
tectonics
41%
history
40%
ecosystem
39%
North America
39%
geochronology
37%
magma
35%
glacier
35%
restoration
34%
river
34%
climate change
32%
habitat
32%
fungus
32%
dating
32%
soil
30%
desert
30%
valley
29%
faulting
29%
Eocene
29%
lacustrine deposit
29%
temperature
28%
national park
28%
stratigraphy
28%
volcano
28%
shell
27%
Miocene
27%
terrane
27%
rock
26%
pine
26%
uplift
26%
provenance
25%
ignimbrite
25%
isotope
24%
tephra
24%
Pliocene
24%
effect
23%
cordillera
23%
carbon
23%
carbonate
23%
caldera
23%
warming
23%
volcanism
22%
fossil
22%
biosphere
22%
environmental change
22%
sandstone
22%
land
21%
paleoclimate
21%
trend
21%
tuff
21%
exhumation
21%
drought
21%
charcoal
20%
mantle
20%
Younger Dryas
20%
productivity
20%
analysis
19%
sediment core
19%
chronology
19%
sedimentation
19%
young
19%
oxygen isotope
19%
Cretaceous
19%
lithosphere
19%
coniferous tree
18%
basalt
18%
summer
18%
comparison
18%
melt
17%
gulf
17%
grassland
17%
rate
17%
cooling
17%
fire history
17%
bear
17%
kinematics
17%
indicator
17%
distribution
17%
transition
17%
connectivity
16%
modeling
16%
creek
16%
thrust
16%
moraine
16%
magmatism
16%
grazing
16%
Agriculture & Biology
ecosystems
52%
climate
45%
lakes
45%
vegetation
44%
mycorrhizal fungi
37%
Pinus ponderosa
36%
sediments
36%
climate change
32%
habitats
28%
soil
27%
pollen
26%
glaciers
25%
ice
24%
mountains
23%
mycorrhizae
22%
canyons
21%
coniferous forests
20%
carbon
19%
fire history
18%
drought
17%
grasslands
17%
Arctic region
16%
Mojave Desert
16%
national parks
15%
vesicular arbuscular mycorrhizae
15%
charcoal
15%
Sierra Nevada (California)
14%
ecological restoration
14%
grazing
14%
Southwestern United States
14%
forest restoration
14%
gross primary productivity
14%
fossils
14%
wildfires
13%
fungal communities
13%
fire regime
13%
case studies
13%
net ecosystem exchange
13%
Gopherus agassizii
13%
temperature
12%
species diversity
12%
rivers
12%
grasses
12%
edge effects
12%
managers
12%
basins
12%
glaciation
12%
Sonoran Desert
11%
biological soil crusts
11%
summer
11%
wetlands
11%
uncertainty
11%
land management
11%
soil biota
11%
history
11%
planning
11%
symbiosis
11%
plant communities
11%
springs (water)
10%
prescribed burning
10%
biodiversity
10%
eddy covariance
10%
conservation areas
10%
ecology
10%
biosphere
10%
birds
9%
oceans
9%
Puma concolor
9%
bogs
9%
plateaus
9%
fire frequency
9%
ecological function
9%
deserts
9%
arid lands
9%
woodlands
9%
public lands
8%
landscape management
8%
roads
8%
USDA Forest Service
8%
thinning (plants)
8%
conifers
8%
synthesis
8%
Iberian Peninsula
8%
ecosystem services
8%
water
8%
Western United States
8%
environmental factors
8%
species richness
8%
vegetation types
8%
soil fertility
8%
Picea
8%
meadows
8%
nitrogen
8%
Ursidae
7%
mutualism
7%
carbon cycle
7%
tortoises
7%
Mexico
7%
oxygen isotopes
7%
global change
7%