ECS 111 Lecture 7: ECS 111 10.10 notes

• School: University of Miami
• Department: Ecosystem Science and Policy
• Course: ECS 111
• Professor: Sealey Kathleen

Document Summary

Eutrophication: fertilizers stimulate plant growth, too much fertilizer (n and p) in tropical water over stimulates plant growth, understand oligotrophic and eutrophic, causes dead zones, widespread and the most serious threat to coastal/ marine environments. Nonpoint pollution: leaching and seepage of cess pits in the keys. Point pollution: ocean outfall for miami. Water pollution types: pathogens, organic wastes, chemicals (pops, phas, heavy metals, sediments, nutrients. Organic wastes: dissolved oxygen in the water is depleted during decomposition or organic wastes, water quality test. Heavy metals acids road salts: organic. Development or wastewater collection and treatment systems. Alternative treatment systems like the composting toilet: removing pollutants from sewage: match technology with function. Large or small debris: primary, secondary, and tertiary treatment, tertiary treatment. No3 converted to n gas and released. Po4 taken up by bacteria and released with excess sludge: septic tank treatment. Only for low population densities with deep soils: constructed wetlands poop gardens .