Earth & Environmental Sciences
nutrient limitation
87%
high mountain
76%
inflow
58%
grassland
56%
degradation
44%
lake
40%
phytoplankton
27%
nutrient
22%
bioassay
15%
NDVI
13%
periphyton
12%
phosphorus
10%
water
7%
nutrient availability
5%
biogeochemistry
5%
lake water
4%
ammonium
4%
land cover
3%
nitrate
3%
organism
3%
vegetation
2%
nitrogen
2%
ecosystem
2%
index
2%
test
1%
Medicine & Life Sciences
Grassland
100%
Lakes
86%
Phytoplankton
72%
Nutrients
58%
Periphyton
26%
Water
25%
Phosphorus
19%
Biological Assay
19%
Ammonium Compounds
7%
Ecosystem
6%
Nitrates
6%
Growth
6%
Nitrogen
6%
China
5%
Joints
4%
Agriculture & Biology
grasslands
59%
mountains
56%
lakes
56%
degradation
41%
nutrients
41%
phytoplankton
36%
periphyton
12%
water
12%
bioassays
11%
subwatersheds
8%
reactive phosphorus
7%
biogeochemistry
7%
land cover
6%
normalized difference vegetation index
6%
vegetation index
6%
China
6%
total phosphorus
5%
eutrophication
5%
ecological function
5%
nutrient availability
5%
ammonium
4%
nutrient content
4%
nitrates
4%
phosphorus
3%
nitrogen
2%
organisms
2%
testing
1%