Earth & Environmental Sciences
Holocene
100%
tundra
96%
pollen
95%
lake
79%
climate change
61%
charcoal
49%
climate
46%
vegetation
39%
shrub
36%
sediment
34%
Postglacial
33%
boreal forest
30%
grass
29%
lacustrine deposit
29%
moisture
23%
wildfire
21%
North America
21%
ecosystem
21%
warming
20%
Younger Dryas
18%
refugium
18%
permafrost
17%
oxygen isotope
16%
sediment core
16%
temperature
14%
silica
14%
biome
14%
Beringia
14%
distribution
14%
brook
14%
forest fire
13%
diatom
13%
history
13%
summer
12%
Last Glacial-Interglacial
12%
lake level
12%
fire history
12%
coniferous tree
11%
organic matter
11%
Little Ice Age
10%
Last Glacial Maximum
10%
organic carbon
10%
transition
10%
varve
10%
cooling
10%
carbon
10%
carbon isotope
10%
herb
9%
accumulation rate
9%
soil
9%
Agriculture & Biology
lakes
95%
tundra
81%
climate change
67%
sediments
65%
climate
59%
fire regime
56%
pollen
46%
charcoal
44%
ecosystems
40%
vegetation
39%
Arctic region
36%
boreal forests
36%
ice
23%
refuge habitats
21%
shrubs
20%
Picea mariana
20%
wildfires
18%
forest fires
17%
Alnus
16%
grasses
16%
Betula
15%
permafrost
14%
fire history
13%
temperature
13%
British Columbia
13%
fossils
12%
summer
12%
oxygen isotopes
12%
geographical distribution
12%
Picea glauca
11%
ecotones
11%
silica
11%
carbon isotopes
11%
midges
10%
carbonates
10%
prairies
10%
Canada
10%
land cover
10%
Bacillariophyceae
10%
atmospheric circulation
9%
Tsuga mertensiana
9%
conifers
9%
phylogeography
8%
dry environmental conditions
8%
snow
8%
history
8%
oscillation
8%
solar radiation
8%
global warming
7%
pollen analysis
7%