The Ecology Of Running
Waters
The Hydrological Cycle
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The Nile River
The Nile River
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: