Notes
Outline
The Ecology Of Running Waters
The Hydrological Cycle
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The Nile River
The Nile River
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The Amazon River
The Amazon River
Mississippi-Missouri River
Mississippi-Missouri River
“The river is the carpenter of its own edifice”
Luna Leopold
“The river where you set you foot just now is gone, those waters giving way to this, then this”
___ Heraclitus
River Meanders
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Origins Of Rivers:
Aquifers
Origins Of Rivers:
Springs
Origins Of Rivers:
Underground rivers
Physical Characteristics
Factors Affecting The Temperature Regime Of A Stream
Stream Order*
Stream Order:
General Considerations
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Rivers Are Linear Gradients
Chemical Characteristics
Components Of Fresh water
A. Dissolved Inorganic Compounds
1. Calcium
2. Magnesium
3. Sodium
4. Iron
5. Sulfate
6. Chloride
B. Particulate Inorganic Compounds
1. Silt
2. Suspended material
C. Dissolved Organic Compounds
1. Nitrogen
2. Phosphorous
3. Bicarbonate
Productivity
Autochthanous vrs Allochthanous
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Primary Productivity
River Types
River Types: Freestone
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River Types: Feeder Streams
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River Types: Limestone
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River Types: Tailwater Fisheries
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Autochthanous vrs Allochthanous:
Food Webs
Trophic Levels
Trophic Levels
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What Happens To The Trophic Levels Of An Ecosystem When A Keystone Species Is Removed?
You Get More Algae!
Why?
Trophic Levels And Keystone Species:
Removal Of A Keystone Species
Trophic Levels And Energy Flow
Energy Flow Into The River:
The Role Of Leaves
Energy Considerations
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Energy Flow Into The River:
The Role Of Leaves
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Macroinvertebrates And The Processing Of Leaves
The Value Of Trees To The River
Food Webs:
Competition Between Terrestrial
And Aquatic Life Forms
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Effects Of Dams On Rivers:
The Columbia River System
Floods
Drought
Pollutions:
Niagara River Area of Concern
Nutrient Loading
Mississippi-Missouri River
Mississippi-Missouri River
Encroachment
Pollutions
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Macroinvertebrates:
Development
Drift
Drift
Energy Flow Into The River
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Life On A Rock
Effects Of Dams On Rivers:
Notes