the chicago river: creating habitat in the urban environment, john quail, 9/2010
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The Chicago River:
Creating Habitat in the Urban
Environment
John Quail
Director of Watershed Planning
Friends of the Chicago River
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Founded in 1979
~3000 Members
Areas of Focus Policy and Planning
Outreach and Education
On the Ground Projects
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Courtesy of Chicago Historical Society
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Courtesy of Chicago Historical Society
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Courtesy of Metropolitan Water Reclamation District
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Sustainability in an Urban(izing) Ecosystem
- Restoration v. Naturalization
- H2O Quality- Habitat
- Infrastructure (Blue and Grey)
- Social Impacts
- Environmental Justice- Right to Clean Water
- Right to Access
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SOURCES OF STREAM DEGRADATION
CHANNELIZATION
URBANIZATION
-effluents-run-off-flow alteration
SEDIMENT NUTRIENTS
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BIODIVERSITY INDEX OF FISH SPECIES IN CHICAGO AND
CALUMET RIVER SYSTEMS BETWEEN 1974 AND 2005
0
10
20
30
40
50
60
70
1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005
Year
NumberofFishSpecies
Cessation of WRP Effluent Chlorination
TARP
Operational
SEPA Operational
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Habitat Impacts
- Habitat Loss
-Fish, Macros, Mussels
- Sedimentation from Upstream Development
- Connectivity
- How are we fixing it?
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Habitat Creation and Enhancement
- Pool and Riffle Complex
- Fish Hotel
- Dam Modification
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Chicago River Fish Hotel
Solution to habitat in urban setting
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Pool and Riffle Complex
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Northbrook Before
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Northbrook After
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Dams
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Environmental Effects of Dams
Local Effects
Degraded habitat
Degraded water quality
Degraded fish and macro-invertebrate communities
System-wide Effects
Fragmented river
Barrier to fish/mussel migration
Prevent recolonization ofrestored reaches
Isolate important habitats
Reduce biodiversity
Dam issue background:
Dams are a major cause of declines in aquatic biodiversity and sport fisheriesin temperate rivers and streams
(Literature reviews: Nehlsen et al. 1991, Moyle and Leidy 1992, LaRoe et al 1995, Pringle 2000).
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Gz. shad
Ri. redhorse
Hf. carpsuckerBl. redhorse
Am. eel
Bm. buffaloBl. buffalo
Ln. gar
Mooneye
SaugerSn. garSj. herringSm. buffalo
Speckled chub
Ri. carpsucker
Upstream Downstreram
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North Branch Dams
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TOTAL
SPECIES
GAME
SPECIES
TROUT/SALMON
Downstrm
WestRiver
Park Dam
44 15 6
Upstrm
West 22 5 0
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Winnetka Road
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Chick Evans
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Tam OShanter
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West River Park
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Questions?
312-939-0490 ext. 20
Dont Forget:
www.chicagoriver.org
- Urban Canoe Trips
- Restoration Volunteers
- File a Public Comment for Clean H2O
Flatwater Classic October 3
mailto:[email protected]:[email protected]