great miami & loramie creek by: dominique cummings meg gulick elizabeth stein
TRANSCRIPT
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Great Miami & Loramie Watershed
•Western Ohio
•Covers 8 Counties
•Primarily Agriculture
•Dayton Located at Southern End
•Lake Loramie Dam
•353 Miles of Stream
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Elizabeth’s Hypothesis
Sewage from urban areas causes high BOD levels which lowers the IBI score.
BOD= Biological Oxygen Demand
IBI= the total measure of fish
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What’s Happening Here?
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This Is What’s Happening
High BOD Caused Lowest Recorded IBI (fish)
Dayton
(sewage treatment plant) Visible Proof of Improvements to Sewage Treatment Plant
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Meg’s Hypothesis
When the quality of substrate increases, the diversity of ICI
(macroinvertebrates) and the diversity of IBI (fish) increase.
ICI= determines the diversity of macroinvertebrates
Macro= seen with naked eye
Invertebrates= no back bone
Substrate= the bottom of a stream
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A quality substrate increases the number of IBI & ICI
0
10
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1 4 710 13 16 19 22 25 28 31 34 37 40
Site and Time
IBI an
d ICI
Value
0
10
20
30
40
50
Subs
trate
IBI ICI Substrate quality0
10
20
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0 10 20 30 40 50 60 70
ICI
IBI
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Good streams have a rocky bottom or substrate
that is "clean".
Good streams support a diversity of aquatic life
including fish and macroinvertebrates.
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Dominique’s Hypothesis
When QHEI decreases IBI & ICI decreases. When QHEI increases IBI & ICI increases.
QHEI vs.BIO DIVERSITY (IBI & ICI)
0
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0 10 20 30 40 50
Av_IBI
Av_IcI
Av_QHEI
decreasing
increasing
QHEI= index to determine habitat quality
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QHEI vs.BIO DIVERSITY
• The trees act as a sponge to soak up waste and other harmful pollutants.
• The trees help to keep the water cool so the IBI & ICI will be able to survive.
•When rivers are channeled it removes habitats & results in water running faster causing more erosion.
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Current Status of Our Watershed
Farmers have worked to improve riparian zones
Lockington Dam
Habitat and flow alterations are damaging the watershed
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Improvement Suggestions
• Encourage farmers to continue land improvements
-building buffer zones
-planting crops 90 meters from the water
• Encourage the planting of new riparian zones around the dam
• Less channelizationThis is what we want!
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Acknowledgements
Thank You to the following people:
• Marcia Murphy
• The People at OSC
• Our Chaperones
• Any and All Who Made This Possible!
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~YWSI is Fun, Fun, Fun!!!~
~Thank You, Thank You, Thank You!!!~