Earth & Environmental Sciences
chloroplast
66%
mitochondrial DNA
63%
hypothesis testing
63%
refugium
61%
fossil record
53%
DNA
43%
divergence
35%
mountain
34%
Postglacial
28%
pollen
23%
Pliocene
23%
seed
23%
hybrid zone
20%
fossil
19%
introgression
18%
isolated population
17%
ice margin
17%
population genetics
15%
gene flow
15%
Last Glacial Maximum
13%
orogeny
13%
coniferous tree
13%
twenty first century
12%
colonization
12%
marker
11%
warming
10%
organism
9%
coast
7%
history
7%
simulation
5%
comparison
5%
test
5%
rate
4%
method
2%
Agriculture & Biology
Pseudotsuga menziesii
60%
refuge habitats
60%
chloroplast DNA
56%
fossils
54%
mitochondrial DNA
44%
Pseudotsuga menziesii var. glauca
44%
seed exchange
43%
Rocky Mountain region
34%
nucleotide sequences
33%
testing
20%
pollen
20%
Cascade Mountain region
19%
Sierra Nevada (California)
19%
conifers
13%
ice
13%
introgression
13%
gene flow
11%
population genetics
11%
Canada
11%
coasts
10%
genetic markers
9%
organisms
7%
methodology
3%
Medicine & Life Sciences
Pseudotsuga
100%
Chloroplast DNA
98%
Phylogeography
90%
Refugium
82%
Mitochondrial DNA
55%
Pollen
25%
Seeds
21%
Tracheophyta
19%
Gene Flow
15%
Paternal Inheritance
15%
Maternal Inheritance
13%
Population Genetics
13%
Ice
12%
Canada
9%
Population
8%