Influence of low light and a light: Dark cycle on NO₃ ^- uptake, intracellular NO₃^-, and nitrogen isotope fractionation by marine phytoplankton

Agriculture & Biology

• isotope fractionation 100%
• phytoplankton 74%
• photoperiod 56%
• uptake mechanisms 46%
• nitrates 41%
• nitrogen 40%
• Bacillariophyceae 39%
• isotopes 20%
• Emiliania huxleyi 14%
• Thalassiosira 14%
• nitrate reductase 10%
• hay 9%
• assimilation (physiology) 9%
• species diversity 7%
• enzymes 4%
• cells 3%

Earth & Environmental Sciences

• nitrogen isotope 80%
• fractionation 58%
• phytoplankton 55%
• nitrate 30%
• diatom 24%
• isotope 10%
• hay 8%
• irradiance 6%
• assimilation 6%
• enzyme 5%
• experiment 5%
• fold 5%
• cell 4%
• nitrogen 4%
• rate 2%
• effect 1%