Medicine & Life Sciences
Ambystoma
100%
Amphibians
74%
Growth and Development
63%
Ammonium Compounds
62%
Nitrogen
60%
Minerals
59%
Cues
53%
ammonium nitrate
44%
Larva
39%
Ponds
35%
Embryonic Structures
30%
Ranidae
19%
Fertilizers
19%
Poisons
18%
Water
16%
Invertebrates
14%
Nitrites
13%
Anura
13%
Embryonic Development
11%
Population
9%
Incidence
5%
Agriculture & Biology
Ambystoma tigrinum
73%
Lithobates sylvaticus
69%
ammonium
57%
amphibians
55%
growth and development
50%
minerals
46%
predators
45%
nitrogen
35%
embryo (animal)
26%
ammonium fertilizers
19%
nitrate fertilizers
18%
aquatic communities
17%
Ambystoma
16%
predator-prey relationships
15%
larvae
14%
ammonium nitrate
14%
surface water
13%
tadpoles
13%
nitrites
12%
larval development
12%
community structure
11%
invertebrates
10%
nitrates
10%
hatching
10%
embryogenesis
9%
vegetation
9%
breeds
8%
incidence
8%
water
5%
Earth & Environmental Sciences
growth and development
70%
amphibian
66%
predator
52%
ammonium
51%
embryo
37%
nitrogen
36%
exposure
35%
mineral
33%
larva
23%
pond
20%
larval development
16%
aquatic community
16%
embryonic development
16%
salamander
16%
hatching
14%
ammonium nitrate
14%
frog
13%
toxic effect
12%
nitrite
11%
field experiment
10%
invertebrate
10%
fertilizer
10%
community structure
10%
water column
10%
agricultural land
9%
nitrate
8%
young
8%
surface water
8%
in situ
7%
vegetation
7%
effect
2%