Earth & Environmental Sciences
passerine
100%
population size
79%
laying date
68%
bird
67%
fitness
49%
interspecific competition
46%
density dependence
45%
synchrony
45%
reproductive success
44%
age structure
38%
population dynamics
34%
temporal variation
30%
intraspecific competition
30%
topography
26%
phenotype
19%
prediction
18%
population trend
17%
temperature
16%
clutch size
15%
evolutionary biology
14%
coexistence
14%
asymmetric competition
12%
demography
11%
trend
10%
rate
10%
regulation
10%
metadata
10%
food
10%
ecology
9%
Europe
8%
nest site
8%
environmental conditions
8%
bird species
8%
environmental impact
8%
monitoring
7%
resource
7%
natural selection
7%
accessibility
6%
carrying capacity
6%
cavity
6%
environmental change
6%
water level
5%
life history
5%
egg
5%
population density
5%
Agriculture & Biology
population size
71%
Ficedula albicollis
55%
metadata
54%
birds
51%
swans
49%
Cyanistes caeruleus
44%
demographic statistics
41%
interspecific competition
41%
Parus major
41%
temporal variation
38%
topography
38%
age structure
37%
population dynamics
33%
dates (fruit)
29%
fledglings
26%
intraspecific competition
25%
prediction
25%
breeding
22%
demography
18%
species abundance
16%
temperature
16%
evolutionary biology
14%
synthesis
13%
clutch size
13%
phenotype
12%
environmental impact
11%
animals
10%
climate change
10%
researchers
10%
ecology
9%
Ficedula hypoleuca
8%
environmental factors
7%
stems
7%
Cygnus columbianus
7%
monitoring
7%
carrying capacity
7%
reproductive traits
6%
nesting sites
6%
natural selection
5%
gene frequency
5%
extinction
5%
population density
5%
surface water level
5%
oviposition
5%
yearlings
5%
Medicine & Life Sciences
Geese
54%
Climate Change
50%
Reindeer
49%
Birds
47%
Population
34%
Temperature
32%
Foxes
31%
Songbirds
26%
Ecosystem
20%
Clutch Size
18%
Svalbard
13%
Thoracica
12%
Snow
10%
Population Characteristics
10%
Breeding
10%
Rain
10%
Demography
9%
Ice
8%
Biological Extinction
8%
Population Density
8%
Starvation
7%
Reproduction
7%
Vertebrates
6%
Ecology
5%
