Low ratios of silica to dissolved nitrogen supplied to rivers arise from agriculture not reservoirs

Keyphrases

• Silica 100%
• Agriculture 100%
• Dissolved Nitrogen 100%
• Impoundment 100%
• Agricultural Land 66%
• Fertilizer Loss 66%
• Water Quality 33%
• Inorganic Nitrogen 33%
• Nitrogen Fertilizer 33%
• Cyanobacteria 33%
• Sequestration 33%
• Agricultural Watershed 33%
• Nutrient Concentration 33%
• Coastal Ecosystems 33%
• Residence Time 33%
• Marine Algae 33%
• Nutrient Input 33%
• Receiving Water 33%
• Eutrophic Lake 33%
• Dissolved Silica 33%
• Agricultural Intensity 33%
• Coastal Marine Systems 33%
• Coastal nutrients 33%
• Marine Hypoxia 33%
• Marine Eutrophication 33%

Agricultural and Biological Sciences

• Watersheds 100%
• Arable Land 100%
• Silicon Dioxide 100%
• Hypoxemia 50%
• Agricultural Watersheds 50%
• Eutrophication 50%
• Cyanobacteria 50%
• Water Quality 50%

Earth and Planetary Sciences

• Farmland 100%
• Nitrogen 100%
• Eutrophication 50%
• Coastal Ecosystem 50%
• Inorganic Nitrogen 50%
• Water Quality 50%