Earth & Environmental Sciences
bird
95%
lake
65%
breeding bird
61%
North America
41%
coastal wetland
35%
migration route
31%
population trend
29%
urban landscape
27%
coastal zone
27%
habitat
25%
stopover
24%
wetland
23%
marsh
23%
breeding
20%
collision
20%
mercury
19%
monitoring
19%
ecology
18%
population decline
18%
habitat loss
17%
detection
17%
weather
16%
breeding season
16%
land use
16%
feather
14%
indicator
14%
exposure
13%
breeding population
13%
index
12%
trend
12%
program
11%
effect
10%
diet
10%
diversity index
10%
connectivity
10%
protocol
10%
species richness
10%
rate
9%
gulf
8%
longitudinal gradient
8%
site fidelity
8%
coast
7%
Central America
7%
stable isotope
6%
bird species
6%
raptor
6%
habitat availability
6%
migratory bird
6%
Agriculture & Biology
birds
100%
Great Lakes
84%
wetlands
52%
breeding
41%
monitoring
29%
Great Lakes region
29%
functional diversity
28%
Laridae
27%
migratory connectivity
26%
marshes
25%
Botaurus lentiginosus
24%
habitats
24%
land use
23%
highlands
22%
stopover sites
22%
weather
21%
case studies
20%
habitat destruction
19%
Gulf of Mexico
19%
wintering grounds
19%
Canada
17%
Peru
16%
duration
15%
environmental quality
15%
lakes
14%
coasts
12%
Sterna hirundo
12%
species richness
11%
Lake Superior
10%
protocols
10%
Manitoba
10%
philopatry
9%
ecology
8%
Biological Sciences
8%
Central America
8%
biodiversity
7%
upland forests
7%
climate change
6%
buffers
6%
ecological restoration
6%
shorelines
6%
Rallus limicola
6%
boreal forests
5%
migratory birds
5%
entropy
5%
ecological function
5%
environmental knowledge
5%
urbanization
5%