Earth & Environmental Sciences
calcium
100%
isotope
97%
enamel
60%
dinosaur
48%
tooth
39%
diet
38%
niche partitioning
33%
lactation
29%
ecology
27%
nanofossil
26%
shark
24%
diagenesis
24%
bone
23%
Tethys
23%
biostratigraphy
23%
physiology
21%
trace metal
21%
fossil
20%
Cretaceous
20%
predator
18%
feeding behavior
18%
Jurassic
17%
ecosystem structure
13%
North Africa
12%
stable isotope
11%
invasiveness
10%
aquatic environment
10%
trophic level
9%
living environment
9%
stomach content
9%
ontogeny
8%
leaching
8%
trophic structure
7%
document
7%
secondary mineral
6%
trace element
6%
resource
6%
sampling
5%
pregnancy
5%
intersex
5%
spatial distribution
5%
Agriculture & Biology
isotopes
66%
calcium
41%
dinosaurs
31%
ecology
25%
tooth enamel
24%
sharks
24%
Isurus oxyrinchus
24%
Carcharodon carcharias
23%
diet
22%
trace elements
21%
teeth
19%
physiology
17%
predators
16%
enamel
15%
feeding behavior
14%
Niger
13%
Hexanchus
13%
ecological differentiation
12%
Northern Africa
12%
Morocco
12%
stomach
11%
aquatic environment
11%
trophic levels
10%
marine environment
8%
ecosystems
8%
stable isotopes
7%
ontogeny
6%
reindeer
6%
bones
6%
spatial distribution
6%
Chemical Compounds
Calcium(0)
61%
Isotope
48%
Cation Exchange Resin
25%
Geochemistry
20%
Leaching
19%
Ecosystem
15%
Ecology
14%
Environment
12%
Bone Meal
12%
Air Conditioning
11%
Biogenic Mineral
10%
Stable Isotope
9%
Ion Exchange Resin
7%
Macro Porosity
7%
Hydroxylapatite
7%
Collagen
6%
Lanthanoid Atom
5%
Biological Property
5%