Topic
tundra
Alaska
58
permafrost
51
populations
40
inorganic nutrients
38
arctic
37
disturbance
36
nitrogen
36
organic matter
32
primary production
31
biomass
30
carbon
28
phosphorus
27
Arctic
23
productivity
21
beavers
18
thermokarst
15
alaska
13
pond
13
nutrients
12
water quality
12
ammonium
11
fire
11
nitrate
11
organic carbon
11
water column
11
alkalinity
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
dissolved organic carbon
10
freshwater
10
lakes
10
limnology
10
long term ecological research
10
long term monitoring
10
monitoring
10
nitrate + nitrite
10
nitrite
10
nitrogen compounds
10
organic nitrogen
10
more ...