Keyphrases
Nitrogen Fixation
100%
Euxinic
60%
Water Column
60%
Internship Program
40%
Oxygen Depletion
40%
Denitrification
40%
Isotopic Signature
40%
Phosphate
40%
Organic Nitrogen
40%
Nitrogen Isotopes
40%
Water-sediment System
40%
Microbial Groups
40%
Black Shale
40%
Ocean Basins
20%
Cyanobacteria
20%
Sedimentary Record
20%
Anoxic Environment
20%
Photosynthesis
20%
Phototrophic Sulfur Bacteria
20%
Low Dissolved Oxygen
20%
Western Interior
20%
Relative Significance
20%
Dissolved N
20%
Chlorophyll a (Chl a)
20%
Italy
20%
Organic Carbon Preservation
20%
Sediment Diagenesis
20%
Culture Experiment
20%
Ammonia Oxidation
20%
Bulk Sediment
20%
P Availability
20%
Professional Mentoring
20%
Ancient Ocean
20%
Upper Permian
20%
Carbon-rich
20%
Nitrogen Removal
20%
Deep Time
20%
Specific Biomarkers
20%
Anoxia
20%
Porphyrin
20%
Chemocline
20%
Sediment Nitrogen
20%
Japan
20%
Coastal Area
20%
Great Britain
20%
Organic Carbon
20%
Surface Water
20%
Proton-neutron Pairing
20%
N Availability
20%
Carpenter
20%
Dissolved Phosphate
20%
Deep Sea
20%
Isotopic Analysis
20%
Oceanic Anoxic Event
20%
Microbial Systems
20%
IGERT
20%
Chesapeake Bay
20%
Dissolved Oxygen Concentration
20%
International Opportunity
20%
Rich Experience
20%
Female Students
20%
Seasonal Anoxia
20%
Isotopic Study
20%
Cell Biomass
20%
Relative Contribution
20%
Carotenoid pigments
20%
Interns
20%
Fixed Nitrogen
20%
China
20%
Lower Cretaceous
20%
Mid-Cretaceous
20%
Chemical Studies
20%
Black Sea
20%
Overprinting
20%
Dissertation Works
20%
Penn State
20%
Sulfidic Environment
20%
Nitrogen Isotope Ratio
20%
Oxic
20%
Upper Devonian
20%
Earth and Planetary Sciences
Nitrogen Fixation
100%
Water Column
60%
Nitrogen 15
60%
Organic Nitrogen
40%
Black Shale
40%
Dissolved Oxygen
20%
Surface Water
20%
Isotopic Analysis
20%
China
20%
Permian
20%
Ocean Basin
20%
Italy
20%
Chesapeake Bay
20%
Coastal Region
20%
Black Sea
20%
Carotenoid
20%
Louisiana
20%
Ocean Drilling Program
20%
United Kingdom
20%
Diagenesis
20%
United States of America
20%
Deep Sea
20%
Japan
20%
Deep Water
20%
Porphyrin
20%
Chlorophyll
20%
Devonian
20%