Agriculture & Biology
conifers
92%
lowlands
85%
ecosystems
67%
lowland forests
66%
Junco hyemalis
55%
birds
54%
Poecile
53%
habitats
52%
Oporornis agilis
38%
coniferous forests
38%
Regulus satrapa
34%
Contopus
33%
Picoides
31%
Empidonax
30%
climate change
30%
Regulus
28%
Calendula
28%
Setophaga
26%
grouse
25%
woodpeckers
24%
managers
17%
Picea
17%
planning
17%
raw materials
15%
minerals
13%
breeds
13%
prediction
12%
breeding
10%
energy
10%
testing
7%
Earth & Environmental Sciences
bird species
100%
coniferous tree
91%
habitat
55%
ecosystem
53%
breeding
29%
ruby
21%
breeding bird
19%
conservation of species
19%
conservation planning
17%
conservation management
17%
development model
15%
persistence
12%
bird
12%
raw material
12%
attribute
11%
prediction
7%
energy
7%
effect
7%
test
5%