Anoxic and oxic phototrophic primary production during the Precambrian

Geo- og miljøvidenskab

• mixed layer 81%
• net primary production 80%
• primary production 78%
• Precambrian 78%
• ocean 28%
• cline 23%
• photic zone 21%
• sulfur isotope 19%
• photosynthesis 16%
• surface layer 14%
• sulfate 11%
• rate 10%
• oxidation 10%
• ecosystem 9%
• climate 9%

Kemiske forbindelser

• Ecosystem 100%
• Photosynthesis 95%
• Sulfate 62%
• Reduction 38%
• Oxidation Reaction 37%
• Surface 26%