Research at the Arboretum
Staff, students and volunteers planting the new Pond 4 with native aquatic vegetation.
THE SEARCH TO IMPROVE STORMWATER TREATMENT APPROACHES
AT THE UW-MADISON ARBORETUM
Aerial photo of the 7.2-acre stormwater treatment facility
with 2 ponds at bottom (inflow), 4 swales, and a
collection pond. The conventional pond (top, with
forebay) receives inflows via a concrete flume (on
right), as well as from the swale system. The facility is
just east of Curtis Prairie.
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Cattails invaded where sown species did not establish by June 2010. |
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Plot where a native sown species (Bidens cernua)
established well, and experienced much less invasion of cattails. |
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Dr. Anita Thompson checked elevations of swales and
weirs, aided by Dr. John Panuska, UW-Extension (out of view). |
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Morgan Moller helped M.S. student Hadley Boehm document cattail invasion in the swales with and without pre-established Bidens. Morgan received Independent Study credit for her work. |
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Undergraduate Robert Geitner documented rapid cattail
invasion in the collection pond, using a floating mattress to hold his data sheet and sampling frame (before cattails were full-grown). He received Independent Study credit for his research. |
To test the effects of species composition and richness on native plants and soil erodibiity,
Zedler, S. Loheide, Hadley Boehm, J. Miller and J. Doherty established
a mesocosms experiment in the Arboretum using 36 cattle watering tanks. |
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Joy Rifkin (undergraduate volunteer), Hadley Boehm and Jim Doherty planted mesocosms with 1, 3, or 9 native wetland species. |
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All 36 mesocosms were planted by June 24, 2010. |
Original Document on SEARCH TO IMPROVE STORMWATER TREATMENT APPROACHES AT THE UW-MADISON ARBORETUM
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