Medicine & Life Sciences
Nitrogen Fixation
100%
Oceans and Seas
65%
Diatoms
63%
Nitrogen
51%
Cyanobacteria
45%
Photosynthesis
41%
Iron
37%
Trichodesmium
37%
Atlantic Ocean
35%
Water
35%
Carbon
34%
Phytoplankton
34%
Nitrogen Cycle
30%
Microbiota
30%
Genes
27%
Light
23%
Oxygen
21%
Paramphistomatidae
20%
Carbon Cycle
20%
Nutrients
19%
Apoproteins
19%
Temperature
18%
Genome
18%
Ecosystem
17%
Chlorophyll
16%
Haptophyta
15%
Growth
14%
Nitrogenase
13%
Dust
13%
chlorophyll a'
13%
Bacteria
12%
gamma-A
12%
Ammonium Compounds
12%
Bacterial Structures
12%
Seawater
12%
Pacific Ocean
11%
Metagenome
11%
Peru
11%
Ferredoxins
11%
Denitrification
11%
Lakes
11%
Prochlorococcus
11%
Chloroplasts
11%
divinyl chlorophyll a
11%
Biomass
10%
Plankton
10%
diadinoxanthin
10%
Oceanography
9%
Flavodoxin
9%
Prochlorophytes
9%
Agriculture & Biology
nitrogen fixation
51%
Bacillariophyceae
49%
phytoplankton
47%
Trichodesmium
41%
nitrogen-fixing bacteria
36%
oceans
36%
nitrogen
35%
iron
30%
primary productivity
27%
nutrients
26%
Atlantic Ocean
25%
Cyanobacteria
25%
chlorophyll
23%
phylotype
23%
photosynthesis
22%
Phaeodactylum tricornutum
20%
dissolved organic nitrogen
19%
genes
17%
Dunaliella tertiolecta
17%
nitrogen metabolism
15%
ferredoxins
15%
cells
14%
Thalassiosira
14%
nitrates
14%
nitrogen-fixing cyanobacteria
14%
phosphorus
13%
ammonium
13%
Placopecten magellanicus
13%
uptake mechanisms
13%
Emiliania huxleyi
12%
nitrogen cycle
12%
Prochlorococcus
11%
plankton
11%
carbon dioxide fixation
10%
temperature
10%
algae
10%
dust
10%
Pelagophyceae
10%
carbon
9%
seawater
9%
phylogeny
9%
sampling
9%
proteins
9%
chloroplast genome
9%
light intensity
9%
carbon cycle
9%
anaerobic ammonium oxidation
8%
apoproteins
8%
fluorescence
8%
microbial communities
8%
Earth & Environmental Sciences
nitrogen fixation
51%
phytoplankton
41%
nitrogen
41%
fixation
40%
iron
39%
cyanobacterium
34%
ocean
33%
diatom
33%
gene
31%
cell
27%
nutrient
26%
algal bloom
20%
phosphorus
16%
chlorophyll
14%
protein
14%
primary production
14%
dissolved organic nitrogen
13%
productivity
12%
genome
12%
nitrate
12%
rate
12%
chloroplast
12%
nutrient limitation
12%
bacterium
12%
metabolism
11%
gyre
11%
starvation
11%
North Atlantic Ocean
11%
nitrogen cycle
10%
carbon
10%
biomass
10%
plankton
10%
phosphate
10%
distribution
9%
plastid
9%
ammonium
9%
alga
9%
in situ
9%
probe
9%
temperature
9%
carbon fixation
8%
fjord
8%
incubation
8%
phylogeny
8%
water
8%
DNA
8%
mesocosm
8%
experiment
7%
photosynthesis
7%
dust
7%
