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The Ecological, Social and Economic Challenges of
Water Management
MESgCORE: Water Panel
Presentation
Dec. 7, 2010
Evan Hayduk Garrett StarksGreg Schultz
Jesse PriceKekapala Dye
Lola Flores
Dam Removal and Construction in Oregon
and Mexico: An Analytical Comparison of Repercussions
Lola P. Flores
Dams Pros Cons
HydropowerIrrigationWater
reservoirs
Fragments river systems
Loss of plant and animal diversity
Maintenance fees
Oregon Case Studies
Dam removal • Social• Environmental• Economic
Dinner Creek Dam
Reasons for removal:
- sediment accumulation- No longer in use
Regarding the environment…- Sediment, water quality, macro-
invertebrate communities, turbidity
Brownsville Dam
Reasons for removal
- Unsafe and old structure- Impeding fish passage
Regarding the community…-Social Impact Assessment (SIA), piscine
passage, recreational activities, +/- thoughts on removal
Dams in Mexico • Dam removal• Function of current dams
• Main conflicts: social inequitiesecological problems
Aguamilpa Dam
• Local populations relocated
• Economic losses
• Government reinforcement
• What’s needed?
References• http://www.google.com/imgres?imgurl• http://www.lightsonoregon.com/images/
dam_protest.jpg&imgrefurl• http://www.soldonklamath.com/images/map• http://gringosparadise.com/?page=Nayarit• http://www.sra.gob.mx/sraweb/datastore/
noticias/boletin053-2007/21082007_huicholes2big.jpg&imgrefur
Dam Removal on the Elwha River: Sediment, Fish, and
RevegetationEvan Hayduk
Elwha River Dams
http://www.piersystem.com/go/doc/1538/236908/
Glines Canyon Dam
Elwha River Dam
http://www.elwhabiodiversity.org
Washington State
Department of Natural
Resources Hydrography GIS
Layer
~159.05 Miles of designated fish habitat behind Elwha River Dam
Questions?
http://buffalopost.net/?p=9762
Fixing the Dam ProblemWhat is it Going to Take?
Jesse Price
On the Map
The simple debate
VS
What is being done?
The 4 H’s
1. Hydropower dams
2. Habitat degradation
3. Harvesting4. Habitat Misuse
What Stalls Progress?• No clear goals for salmon recovery• Short term funding • Failure to consider the whole
picture• Lack of Cooperation between
entities
Toxic Cyanobacteria Blooms in Lemolo Lake, Douglas County, Oregon
Kekapala Paul Dye
Oregon Toxic Algal Blooms -2010
Oregon Toxic Algal Blooms -2010
Oregon Toxic Algal Blooms -2009
Oregon Toxic Algal Blooms -2009
Oregon Toxic Algal Blooms -2008
Oregon Toxic Algal Blooms -2008
Oregon Toxic Algal Blooms -2007
Oregon Toxic Algal Blooms -2007
Oregon Toxic Algal Blooms -2006
Oregon Toxic Algal Blooms -2006
Oregon Toxic Algal Blooms
Oregon Toxic Algal Blooms
References
• State of Oregon: Harmful Algae Bloom Surveillance (HABS) Program, retrieved November 13, 2010 from http://www.oregon.gov/DHS/ph/hab/index.shtml
• Photo of Klamath River bloom, retrieved December 5, 2010 from http://ncjournal.wordpress.com/2008/03/
Stormwater Management Strategies to Reduce
Pollution in Puget Sound
Garrett Starks
What is Sanitary?: A History of Wastewater
Greg Schultz
http://www.cerc.com.my/sermon-series/deuteronomy
Roman Technology
• http://www.sewerhistory.org/chronos/early_roots.htm
Modern Treatment
• http://www.waterworld.com/index/display/article-display/0781096832/articles/waterworld/wastewater/treatment/2010/08/Wastewater-treatment-plant-provides-reclaimed-water.html
References
• http://www.cerc.com.my/sermon-series/deuteronomy
• http://www.sewerhistory.org/chronos/early_roots.htm
• http://www.waterworld.com/index/display/article-display/0781096832/articles/waterworld/wastewater/treatment/2010/08/Wastewater-treatment-plant-provides-reclaimed-water.html
Thank you