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CE3501. Fundamentals of Environmental Engineering

Explore fundamental concepts such as biotic and abiotic factors, ecosystem structure, population dynamics, and nutrient cycles in environmental biology. Learn about various organism groups, ecosystem components, and the scope of environmental engineering.

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CE3501. Fundamentals of Environmental Engineering

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  1. CE3501. Fundamentals of Environmental Engineering Environmental Biology Lecture 1, Oct. 5, 2005

  2. Key terms & concepts Biotic Abiotic Atmosphere Hydrosphere Lithosphere Biosphere Ecosphere Ecology Species Population Community Natural vs. engineered systems Organism groups: viruses bacteria algae fungi protozoa rotifers microcrustaceans macrophytes macroinvertebrates fish

  3. What is Life? • Movement; • Response to stimuli; • Metabolism • Reproduction; Biotic Abiotic

  4. Scope of Environmental Engineering – nano- to micro- Subatomic  Atomic  Molecular  Crystals unicellular

  5. Scope of Environmental Engineering micro- to Mega Organism Population Community Ecosystem Biome Biosphere

  6. BIOSPHERE ECOSYSTEM

  7. Structure • materials; • size; • porosity, density;

  8. STRUCTURE? • biotic components • species • populations • Age structure • communities • geologic components • soil type • soil depth • slope • hydrologic components • water table depth • rainfall • runoff, deep seepage • climatic components • insolation • wind

  9. FUNCTION: transportation

  10. FUNCTION(s)? • Primary production; • Secondary production; • Organic matter accumulation; • Respiration;

  11. SUBCELLULAR PRIONS VIRUSES

  12. Image: epifluorescence microscopy of bacteria in activated sludge by Ed Verhamme. BACTERIA

  13. FUNGI

  14. Algae

  15. Macrophytes

  16. MICROBIAL LOOP: BACTERIAL GRAZERS PROTISTS ROTIFERS

  17. Microcrustaceans Diporeia – dominant benthic macroinvertebrate in the Great Lakes Daphnia- the water flea Cyclopoid Copepod Bosmina

  18. MACROINVERTEBRATES

  19. FISH

  20. Key terms & concepts Biotic Abiotic Atmosphere Hydrosphere Lithosphere Biosphere Ecosphere Ecology Species Population Community Natural vs. engineered systems Organism groups: viruses bacteria algae fungi protozoa rotifers microcrustaceans macrophytes macroinvertebrates fish

  21. ENVIRONMENTAL BIOLOGY Ecosystem Structure Population Dynamics Energy Flow In Ecosystems Material Flow in Ecosystems Biochemical Oxygen Demand Nutrients & nutrient cycles Dissolved Oxygen in Rivers Eutrophication in lakes

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