Earth & Environmental Sciences
soil
77%
watershed
53%
fish
52%
phosphorus
46%
oak
40%
effect
37%
manure
33%
nitrogen
31%
deer
28%
water
27%
pine
27%
habitat
27%
river
26%
harvest
26%
runoff
25%
lake
24%
loss
23%
climate
23%
ecosystem
23%
nutrient
22%
rate
22%
seedling
20%
catchment
20%
disturbance
19%
land use
18%
biomass
17%
nitrate
17%
carbon
17%
DNA
16%
vegetation
16%
climate change
16%
modeling
15%
restoration
15%
water quality
14%
program
14%
distribution
14%
litter
14%
drought
14%
temperature
13%
preferential flow
13%
gene
13%
regeneration
13%
resource
13%
soil moisture
13%
groundwater
13%
cichlid
13%
index
13%
cover crop
13%
brook
13%
bird
13%
predator
13%
hydrology
13%
genetic diversity
12%
headwater
12%
sampling
12%
marker
12%
landowner
12%
crop
12%
biodiversity
12%
land
12%
drainage
12%
analysis
12%
irrigation
12%
leaching
12%
experiment
12%
understory
12%
mountain
12%
overstory
12%
shale
12%
fungus
12%
population structure
12%
soil water
11%
agriculture
11%
wildfire
11%
river basin
11%
mortality
11%
removal
11%
method
11%
canopy
11%
productivity
11%
hillslope
11%
comparison
11%
plateau
11%
exposure
11%
fertilizer
10%
nest
10%
animal
10%
monitoring
10%
breeding
10%
evaluation
10%
test
10%
genotype
10%
maize
10%
trend
10%
allele
10%
growing season
10%
indicator
10%
winter
10%
agricultural land
10%
nanocomposite
10%
Agriculture & Biology
soil
63%
fish
47%
Quercus
37%
ecosystems
33%
phosphorus
29%
rivers
26%
habitats
25%
climate
25%
Odocoileus virginianus
22%
lakes
22%
water
22%
nitrogen
21%
deer
21%
Appalachian region
21%
climate change
21%
carbon
19%
runoff
19%
Cichlidae
19%
soil water
18%
microsatellite repeats
17%
hardwood
17%
land use
17%
methodology
16%
Pinus
16%
Lake Malawi
16%
biodiversity
16%
cover crops
16%
nutrients
16%
sampling
16%
overstory
15%
Salvelinus fontinalis
15%
animal manures
15%
water quality
14%
fine roots
14%
Quercus rubra
14%
drought
14%
biomass
14%
temperature
13%
vegetation
13%
Teleostei
13%
hardwood forests
13%
seedlings
13%
prescribed burning
13%
testing
13%
wildfires
12%
Eastern United States
12%
loci
12%
coniferous forests
12%
understory
12%
landowners
12%
Acer rubrum
12%
preferential flow
12%
genetic variation
12%
Salmo salar
12%
predation
11%
shale
11%
predators
11%
mycorrhizal fungi
11%
Gasterosteidae
11%
Pinus ponderosa
11%
species diversity
11%
species richness
11%
corn
10%
hydrology
10%
winter
10%
monitoring
10%
forest management
10%
sediments
10%
canopy
10%
species recruitment
10%
population structure
10%
wetlands
9%
shrubs
9%
case studies
9%
nitrates
9%
dairy manure
8%
Pseudotsuga menziesii
8%
birds
8%
environmental factors
8%
ecosystem services
8%
leaching
8%
ecology
8%
Ictalurus punctatus
8%
genes
8%
apricots
8%
Micropterus dolomieu
8%
dendroecology
8%
Quercus montana
8%
valleys
8%
demographic statistics
8%
planning
8%
logging
8%
man-made trails
8%
soil carbon
8%
peaches
8%
agroecosystems
8%
synthesis
8%
agriculture
8%
ground-penetrating radar
8%
soil properties
8%
Medicine & Life Sciences
Soil
100%
Ecosystem
63%
Fishes
46%
Forests
45%
Water
37%
Manure
35%
Phosphorus
35%
Rivers
33%
Lakes
32%
Nitrogen
25%
Biodiversity
25%
Nutrients
25%
Carbon
24%
Biomass
22%
Population
21%
Microsatellite Repeats
20%
Climate
20%
Droughts
18%
Climate Change
18%
Cichlids
18%
Water Quality
17%
Temperature
15%
Fungi
15%
Growth
14%
Prunus persica
14%
Waste Water
14%
Bass
13%
Genome
13%
Groundwater
12%
Fresh Water
12%
Ictaluridae
11%
Smegmamorpha
10%
Seedlings
10%
Genes
10%
Magnoliopsida
10%
Acer
10%
Grassland
10%
Herbivory
9%
Microbiota
9%
Drainage
9%
Ecology
9%
Genetic Variation
9%
Deer
9%
Ozone
9%
Animals
9%
Breeding
9%
Farms
9%
Mycorrhizae
8%
Zea mays
8%
Nitrates
8%
Wildfires
8%
Quercus
8%
Gases
8%
Hydrology
8%
Populus
8%
Prunus avium
8%
Wetlands
8%
Salmo salar
8%
Trout
8%
Prunus armeniaca
8%
Genetic Markers
8%
Longevity
8%
Tracheophyta
8%
Myxobolus
7%
Citrus
7%
Amphibians
7%
Agriculture
7%
Pinus ponderosa
7%
Bays
7%
DNA
7%
Fertilizers
7%
Malawi
6%
North America
6%
Bacteria
6%
Oncorhynchus mykiss
6%
Nanotubes
6%
Picea
6%
Food Chain
6%
mica
6%
Vitis
6%
Clay
6%
Coleoptera
5%
Ammonia
5%
Liriodendron
5%
Alleles
5%
Pseudotsuga
5%
Greenhouse Gases
5%
Population Dynamics
5%
Minerals
5%
Composting
5%
Pinus
5%
Bivalvia
5%
Datasets
5%
Demography
5%
Poaceae
5%
Lignin
5%
Ions
5%
Carbon Cycle
5%
Expressed Sequence Tags
5%
Population Density
5%