The Science of Wingfield Pines
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Transcript of The Science of Wingfield Pines
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The Science of Wingfield Pines
A Duquesne University Study
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To serve as the lead land trust conserving and stewarding lands that support the scenic, recreational and environmental well-being of communities in Allegheny County and its environs.
Mission of Allegheny Land Trust
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BIODIVERSITY
WATER MANAGEMENT
LANDSCAPE CHARACTER
Prioritize protection of lands that meet these three criteria
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EducationFlood Control
Open SpaceRecreation
Benefits of Wingfield Pines
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There is only one thing more
rewarding than living in a
beautiful setting…Protecting it!
ALT’s Wingfield Pines Conservation Area, Upper St. Clair
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Wingfield PinesFormer strip and deep mine site
Former golf and swim club
80 acres USC & S. Fayette
Borders Chartiers Creek
3 existing ponds
First source of abandon mine drainage in the Chartiers Watershed
Acquired by ALT in 2001
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Three fish ponds @ Wingfield Pines
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AMD from Wingfield into Chartiers Creek
1500 – 2000 gallons per minute flowing for decades
43 tons of iron oxide deposited into Chartiers Creek every year
Chemistry enables passive treatment technology – no chemicals or pumps needed
Iron oxide sediment can be recovered and used for pigment
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Design Criteria Creative and educational
Visually interesting – “no right angles”
Minimize footprint with compact design
High performance
Passive system – no chemicals or pumps
Engaging
1 year + to design
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Hedin Environmental
President: Dr. Robert S. Hedin
Finalized site plans, formulate and submit a permit package, perform construction oversight, monitors the system after completion
Design treatment systems that our cost efficient, effective and unique
http://www.hedinenv.com/
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Wingfield Pines
AMD treatment system designed on the idea that form follows function. Landscape architect and artists proposed a design
that made the treatment system cost efficient, effective and educational.
Mixing organic pieces with industrial elements.
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Wingfield’s Uniqueness
Ponds linked together in a unique way. No 90 degree angles,
soft lines are emphasized.
Treatment system is designed where one can walk through the site and see the ecological changes throughout the AMD system.
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Wingfield’s Uniqueness
Wingfield Pines has Educational value Circular ponds with a
central area and a walk way through the wetlands makes group instruction easy
Acts as an open laboratory to various levels and fields of academia
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Installation of Water Fountain and Distribution Structure
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Note the change in color as the A.M.D. moves through system
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2007 2009
Discharge Gut
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2007 2009
Discharge into Chartiers Creek
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Doing science teaches science!
Since 2007, Duquesne University students have been collecting scientific data at Wingfield Pines in collaboration with the Allegheny Land Trust. The on going process has provided base line data on the
AMD before, during construction and since its completion in the Summer of 2009.
Changes are not random – Discover Patterns
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It is important to grasp the concept that the Wingfield Pines System is not a self-contained
entity, it is a piece of a puzzle incorporated into larger surrounding watersheds that represent only a small portion of the greater hydrologic
cycle:
“You can never step into the same river; for new waters are always flowing on to you.” ~Heraclitus of Ephesus
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There are no straight lines:
Source Pond 1 Pond 2 Pond 3 Pond 4 Pond 5 Wetland0
1
2
3
4
5
6
7
8
9
10
Stagnant
Stagnant
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Pond 1D.O. 6 mg/L
Pond 3D.O. 8 mg/L
Pond 2D.O. 7 mg/L
Pond 4D.O. 9 mg/L
Pond 5D.O. 10 mg/L
Pond 6D.O. 11 mg/L
In the lab, one could…
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or or or
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• Allegheny Land Trust (ALT) and Duquesne University have enjoyed a successful partnership since 2007 around the Wingfield Pines Conservation Area. Duquesne students, under the leadership and mentoring of Adjunct Professor Ed Schroth, provided much needed water quality and biotic assessments of Chartiers Creek, existing ponds and of the abandon mine drainage treatment system that ALT constructed in 2009. The invaluable data collected by the students is included in the reports that ALT provides to the PA Department of Environmental Protection and Army Corps of Engineers. Students benefit by receiving real-life experience and ALT benefits by this volunteer work that ALT would otherwise have to pay for.
Duquesne University Monitoring Ecological Organisms
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Chemical Testing
What science does Duquesne measure as water flows through the Wingfield ecosystem;
Dissolved Oxygen Conductivity Temperature pH Alkalinity Turbitiy Biological Diversity www.alleghenylandtrust.org/properties/wingfield/science/index.html
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Plankton was collected in March 2010 from the Wingfield A. M. D. ponds using a zooplankton net. 15ml samples were taken back to the laboratories at Duquesne University for identification @ 100X and 400X microscopes. Data was analyzed to determine the ratio values for species richness.
Using Plankton to Illustrate SuccessionMARCH 2010
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HYDROSPEREA Water System which Illustrates Succession in Action
At Wingfield Pines we have the opportunity to observe and measure aquatic succession which starts with Abandoned Mine Drainage which then runs through a series of ponds and wetlands.
Each transitional step of Biological succession is then visual and can be documented.
Pond Pond
Source Pond 1 Pond 2 Pond 3 Pond 4 Pond 5 Wetland5.5
6
6.5
7
7.5
8
Average pH
Average pH
pH
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Month Month
March
'10
April
'10
June
'10
July
'10
Sept
embe
r '10
Octob
er '1
0
Novem
ber '
10
Febr
uary
'11
March
'11
April
'11
May '1
1
July
'11
Augus
t '11
Sept
embe
r '11
Octob
er '1
1
Decem
ber '
110
102030405060708090Air and Water Temperature Over Time
AirWetland Water
Degre
es in F
ahre
nheit
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Year YearPond Wetlands Chartiers Creek
2013
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March
'10
June
'10
July
'10
Sept
embe
r '10
Octob
er '1
0
Novem
ber '
10
May '1
1
July
'11
Sept
embe
r '11
Octob
er '1
1
Decem
ber '
110
10
20
30
40
50
60
70
80
90
0
2
4
6
8
10
12
14
16
Water Temperature vs. Dissolved Oxygen Over Time
Water Temp. Te
mpe
ratu
re (F
)
mg/L
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Certain species of macroinvertebrates have differing levels of tolerance to pollution. Concurrent with the changes in
flowing watershed system, Benthic macroinvertebrates are used as indicators of changes associated with a gradient
threshold.
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Aquatic macroinvertebrates found within Wingfield
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Fish Migration within Wingfield Pines
20062013
Creek Chub
Green Sunfish
White SuckerCommon Carp
Mosquitofish
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Sampling Fish at Wingfield Pines (2012)
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Wingfield Dedication
Programs that encourage and facilitate outreach into nonscientific communities need to become a standard part of every university and science-based industrial establishment. Environmental decisions that are made in a democracy will always be highly politicized, but it is crucial that citizens have the opportunity to learn what science knows and how that knowledge has been gained.
Now in the 21st Century scientists must vigorously reach out to their communities, informing them not only about their new discoveries, but also about the path they took to get there.
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Chara spp., called Muskgrass
Description• Chara look like rooted, aquatic plants, but are actually a form of algae.• Muskgrass is native to Pennsylvania but is invasive and a common nuisance problem in alkaline ponds.• Chara prefers alkaline, hard water ponds.• The ridged branches of Chara are encrusted with calcium carbonate, giving it a gritty feeling.• Chara also has a musty odor when crushed, giving it the common name of “muskgrass.”
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Muskgrass
Muskgrass now completely covers most of Ponds 4 and 5 and a large portion of the wetland
The muskgrass is a very good filter and it’s effective at the removal of Fe solids
However, the muskgrass contributes to preferential flow patterns and likely contributes to poorer treatment in winter months
www.pubs.cas.psu.edu/freepubs/pdfs/xh0034.pdf
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Muskrat and Beaver
Muskrats and beaver have created significant problems since Wingfield’s introduction
Muskrats are the current issue facing Wingfield Pines
Burrowing, damming, and feeding activities have impacted vegetation growth, channel flow, and berm stability
Muskrat burrows can cause erosion of banks and berms around the ponds and wetland areas
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Muskrat Borrow
Muskrat Lodge
Beaver Dam
Beaver Baffles
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Current Impact of Muskrats
• Herbivory of wetland vegetation creates less filtration of Fe particles
• Lodge formation creates channelization of water flow
• Burrows create tripping hazards throughout park and impact berm stability
Areas in red are damages caused by muskrat activity
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Effluent Iron (Total)2009 2013
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Effluent Turbidity 2010 2013
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Thank You
WingField Pines
Edward F. Schroth [email protected]
Adjunct Faculty Duquesne University
Bayer School of Natural Sciences