Topic
tundra
arctic
62
permafrost
55
Alaska
50
beavers
44
populations
40
alaska
38
inorganic nutrients
38
pond
38
disturbance
37
thermokarst
34
nitrogen
33
stream
33
organic matter
32
primary production
31
biomass
30
carbon
30
phosphorus
27
drone
26
Arctic
21
productivity
21
climate change
12
fire
12
nutrients
12
dissolved organic carbon
11
water quality
11
alkalinity
10
ammonium
10
anions
10
aquatic
10
aquatic ecosystems
10
bacteria
10
bacterial abundance
10
biogeochemistry
10
carbon to nitrogen ratio
10
chemistry
10
chlorophyll
10
chlorophyll a
10
depth
10
dissolved nutrients
10
freshwater
10
lakes
10
limnology
10
long term ecological research
10
long term monitoring
10
monitoring
10
nitrate
10
nitrate + nitrite
10
nitrite
10
nitrogen compounds
10
more ...