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CE3501. Fundamentals of Environmental Engineering

CE3501. Fundamentals of Environmental Engineering. Environmental Biology Lecture 1, Oct. 5, 2005. Key terms & concepts. Biotic Abiotic Atmosphere Hydrosphere Lithosphere Biosphere Ecosphere Ecology Species Population Community Natural vs. engineered systems. Organism groups:

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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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