CE3501. Fundamentals of Environmental Engineering

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CE3501. Fundamentals of Environmental Engineering

• Environmental Biology
• Lecture 1, Oct. 5, 2005

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Key terms concepts
Biotic Abiotic Atmosphere Hydrosphere Lithosphere
Biosphere Ecosphere Ecology Species Population Com
munity Natural vs. engineered systems
Organism groups viruses bacteria algae fungi
protozoa rotifers microcrustaceans macrophytes
macroinvertebrates fish
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What is Life?

• Movement
• Response to stimuli
• Metabolism
• Reproduction

Biotic Abiotic
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Scope of Environmental Engineering nano- to
micro-
Subatomic ? Atomic ? Molecular ? Crystals ?
unicellular
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Scope of Environmental Engineering micro- to Mega
Organism
Population
Community
Ecosystem
Biome
Biosphere
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BIOSPHERE
ECOSYSTEM
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Structure

• materials
• size
• porosity, density

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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

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FUNCTION transportation
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FUNCTION(s)?

• Primary production
• Secondary production
• Organic matter accumulation
• Respiration

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(No Transcript)
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SUBCELLULAR
PRIONS VIRUSES
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BACTERIA
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FUNGI
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Algae
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Macrophytes
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MICROBIAL LOOP BACTERIAL GRAZERS
PROTISTS ROTIFERS
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Microcrustaceans
Diporeia dominant benthic macroinvertebrate in
the Great Lakes
Daphnia- the water flea
Cyclopoid Copepod
Bosmina
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MACROINVERTEBRATES
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FISH
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Key terms concepts
Biotic Abiotic Atmosphere Hydrosphere Lithosphere
Biosphere Ecosphere Ecology Species Population Com
munity Natural vs. engineered systems
Organism groups viruses bacteria algae fungi
protozoa rotifers microcrustaceans macrophytes
macroinvertebrates fish
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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