Agriculture & Biology
grasslands
100%
ecosystems
76%
species diversity
74%
biodiversity
66%
nitrogen
58%
species richness
51%
soil
47%
biomass
35%
plant communities
32%
grasses
31%
prairies
24%
Schizachyrium scoparium
23%
herbivores
21%
nutrients
21%
legumes
19%
savannas
18%
Elymus repens subsp. repens
17%
global change
16%
arthropods
16%
nitrogen cycle
16%
species abundance
15%
functional diversity
15%
extinction
15%
mineralization
15%
forbs
15%
community structure
15%
ecological function
14%
plant competition
13%
testing
13%
Agrostis hyemalis var. scabra
12%
seeds
12%
vegetation
12%
chronosequences
12%
ecology
11%
habitat destruction
11%
nitrates
11%
food webs
11%
biomass production
11%
species recruitment
11%
biofuels
10%
prediction
10%
silicates
10%
phylogeny
10%
Quercus
10%
fine roots
9%
soil fertility
9%
drought
9%
seedlings
8%
phytomass
8%
Asterionella formosa
8%
Earth & Environmental Sciences
grassland
84%
nitrogen
59%
old field
53%
biodiversity
51%
species richness
48%
plant species
41%
biomass
41%
productivity
40%
ecosystem
38%
grass
36%
soil
35%
plant community
31%
effect
27%
resource
24%
prairie
23%
nutrient
22%
monoculture
22%
arthropod
21%
species diversity
20%
disturbance
17%
herbivore
16%
ecosystem stability
15%
loss
15%
litter
14%
soil nitrogen
14%
seed
14%
rate
14%
phylogenetics
13%
grassland ecosystem
13%
colonization
13%
coexistence
12%
soil carbon
12%
ecosystem function
12%
herbivory
12%
resource availability
11%
complementarity
11%
seedling
10%
savanna
10%
vegetation
10%
community composition
10%
insect
10%
oak
10%
chronosequence
10%
creek
10%
divergence
9%
global change
9%
invasibility
9%
community structure
9%
Medicine & Life Sciences
Ecosystem
99%
Biodiversity
99%
Grassland
73%
Biomass
31%
Biofuels
29%
Soil
26%
Nitrogen
26%
Food
21%
Poaceae
19%
Carbon
19%
Climate
19%
Agriculture
18%
Greenhouse Gases
17%
Ecology
15%
Climate Change
11%
Nutrients
11%
Zea mays
10%
Eutrophication
9%
Herbivory
9%
Crop Production
8%
Droughts
8%
Fossil Fuels
8%
Fabaceae
7%
Fertilizers
7%
Food Supply
7%
Introduced Species
7%
Fisheries
6%
Water
6%
Phosphorus
6%
Carbon Sequestration
6%
Fresh Water
5%
Fertilization
5%
Air Pollution
5%
Economics
5%
Fertility
5%
Ethanol
5%
Mammals
5%