2014 college first final project- inside the world of ravines
TRANSCRIPT
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Inside The World Of
Ravines
Jessie B. Pink
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Background on Ravines
Plants Of Concern (P.O.C)
Mentors
Project
Agenda
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A landform narrower than a canyon and is often produced by
stream-cutting erosion. Ravines are typically larger in scale than
gullies, landforms created on hillsides by running water erosion,
but smaller than valleys.
An unique ravine habitat can found alongside Illinois’ Lake
Michigan shore. The bluff and ravine systems associated within
Lake Michigan’s coastal plain are steep-sided, V shaped valleys
that create groundwater-fed growing conditions and
microclimates, which in turn make special communities of plants
and animals.
What Is A Ravine?
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Photos of Ravines
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Ravines can be home to:
Native Plants/Animals
Threatened And Endangered Species
Contain Water Ways
Environmental Benefits
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Environmental Problems
Human Interactions with Ravines can cause:
Storm Water Runoff
Erosion
Invasive Species
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Plants of Concern (POC) is composed of a diverse,
dedicated group of citizen scientist that monitor the
Chicago Wilderness region's rarest plants, assessing
trends in population. The organization is coordinated
by the Chicago Botanic Garden.
With Problems Comes Solutions
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Determining the quality of ravine vegetation through meander
based sampling.
Meander based sampling is a new protocol based on the
Minnesota Flora Quality Assessment.
Jaileen and Rachel designed the new protocol to gather data
within one day; the old protocol that P.O.C used last year, plot
based sampling,took over 2 months.
Jaileen’s Project
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New vs. Old
Meander Based Sampling vs. Plot Based Sampling
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A special data sheet split into three sections: bluff, slope, and
table.
Meander Based Sampling Procedure
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M.B.S.P Cont’d
Time each section
Divide into two groups
Each group obtains the special ravine data sheet
Group walks through the community of the ravine it was
assigned to and checks all the plant species found
At the end of each meander, record the cover class of each
species
If there are more than three new species ten minutes before the
set up time stops, add ten more minutes
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Determining the quality of vegetation in a ravine through
meander base sampling (new protocol).
Looking at the consequences of erosion in a ravine through
plot base sampling (old protocol).
Working Side-By-Side
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The purpose of this project is to assess the occurrence,
health, and stability of P.O.C plants populations in ravines.
How does ravine erosion impact plant populations?
Rare plant populations will be located in the ravine where
there is less erosion (lower quality).
Purpose/ Question/ Hypothesis
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P.O.C Monitoring
Journal (Pencil/ Pen)
Colored Flags
GPS Tracking Model
Plants of Concern Ravine Color Guide
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P.O.C Monitoring Procedure
Select a P.O.C plant to track throughout ravine.
Use colored flags to track selected plant.
Record data through P.O.C monitoring data sheet
(Make table in journal and tally up how many males and
females are in the selected plant population.)
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Photos of P.O.C Monitoring Procedure
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Photos of P.O.C Monitoring Procedure
Continued
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Ravine Average Table
Ravines Ravine #1 Ravine #2
Average Erosion 1 0.92
Average Species Richness 126 164
Average Vegetation Score 11.056949.918475
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Ravine #1’s Species RichnessRavine #1
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Ravine #2’s
Species Richness
Ravine #2
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Discussion
It’s important to save endangered species as they:
Play a huge role in biodiversity
Allow the ecosystem to function normally
Impact society
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Where To Go From Here?
- Is old reliable still old and reliable?
- Time for a new method in collecting plant
populations data?
- Should merging the two methods be considered?
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References
Baker, William, and David Mladenoff. Spatial Modeling of Forest Landscape
Change. United Kingdom: Cambridge University, 1999. Print.
Himelick, E.B., and Kenneth Robertson. The Preservation And Management Of
Vegetation In Ravines In Highland Park, Illinois. 1997. Print.
Goad, Rachel. "P.O.C Information." Personal interview. 15 July 2014.
Merced, Jaileen. "P.O.C Information." Personal interview. 15 July 2014.
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