Agriculture & Biology
woodpeckers
100%
bark
64%
foraging
59%
ecology
55%
ecoregions
13%
Coleoptera
7%
Campephilus
6%
Dryocopus
6%
Picoides villosus
6%
burn severity
6%
Picoides
6%
ecosystem engineers
5%
keystone species
5%
silviculture
4%
oleoresins
4%
wildfires
4%
temperate forests
4%
seed cones
4%
plant pests
4%
forest management
4%
branches
3%
phloem
3%
managers
3%
breeding sites
3%
tree trunk
3%
pesticide application
3%
wildlife
3%
pheromones
3%
hardness
3%
invertebrates
2%
physiology
2%
vertebrates
2%
environmental factors
2%
birds
2%
habitats
2%
leaves
1%
water
1%
Earth & Environmental Sciences
bark
84%
North America
58%
ecology
58%
ecoregion
12%
boring
11%
beetle
11%
phloem
5%
pheromone
4%
keystone species
4%
silviculture
4%
breeding site
4%
guild
3%
pest
3%
temperate forest
3%
shelter
3%
herbicide
3%
anatomy
3%
water availability
3%
wildfire
3%
physiology
3%
forest management
3%
limb
3%
vertebrate
3%
hardness
3%
invertebrate
2%
wildlife
2%
bird
2%
environmental factor
2%
substrate
2%
land use
2%
habitat
2%
ecosystem
2%
effect
1%