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Sustaining the Beneficial Use of Water: Leroy Sievers and Ann Bleed Western States Land Commissioners Association Summer Conference, 2013
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Zain and Gabe on First Day of School in Australia Claire on Second Birthday Do We Really Care About our Grandchildren?
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Nebraska Agriculture
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Sandhills Grazing Land Photo by Chris Helzer
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Little Blue Stem in Sand Hills Prairie Photo by Chris Helzer
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Nebraska’s Platte River
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Niobrara River Photo by Chris Helzer
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Hunting in Eastern Nebraska Photo by Chris Helzer
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Grazing and Crop Land near Wildcat Hills, Western Nebraska Photo by Chris Helzer
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Sustainability Living and developing our economy in such a way “that we meet the needs of the present without compromising the ability of future generations to meet their own needs.” Brundtland Commission, United Nations 1987
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Does Intergenerational Equity Matter
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Sustainability "sustainability is improving the quality of human life while living within the carrying capacity of supporting eco- systems.“ 2005 World Summit on Social Development The earth’s resources are limited!
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By 2050 we will need to double food production 2.3 billion more people by 2050
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Loss of Arable Land and Pollution
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ENVS 220 https://sge.lclark.edu/wp/wp-content/uploads/2011/09/water-stress.pnghttps://sge.lclark.edu/wp/wp-content/uploads/2011/09/water-stress.png
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Water-level Changes in the High Plains Aquifer, Predevelop ment to 2011 V.L. McGuire USGS Scientific Investigations Report 2012 - 5291
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Bees Photo by Cindy Loope
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NCNewsPress.com/TJ Chrastil Flooding on the Missouri River 2011
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Dry-land Corn in Eastern Nebraska 2012
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Summer in Nebraska 2006
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Thousands of Acres Burn in Niobrara River Valley A raging weekend wildfire along the Niobrara River valley burned an estimated 150 square miles of forest and grassland and forced the evacuation of a pair of small towns and several river outfitters. Photo by ADAM WOLFFBRANDT/Lincoln Journal Star
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Burned Prairie on Niobrara River 2012
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Prairie grasses such as sand bluestem growing well across the bison pasture during the first growing season since last July’s wildfire.
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Flower species such as cutleaf ironplant (left) and spiderwort (right) are coloring the sandhills in the burned bison pasture (NVP 2013 )
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Hydrology 101 for Land Managers The No-Injury Standard
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Continuity Equation Inflow = Outflow + Change in Storage
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Irrigation Water Budget Precipitation Surface Runoff Ground Water Flow Deep Percolation Evaporation Evapotranspiration
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Change in Return Flows ET Return Flow Diversion 1 Diversion 2
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Platte River June 2006
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Gaining Stream
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Losing Stream
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Disconnected Stream
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Gaining Stream
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Impact of Pumping Well
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Source of Water to Pumping Well Percent of Ground Water Pumped Time Pump On Percent of stream depletion Percent from Aquifer
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Economic Demands 2005 World Summit on Social Development
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Societal Equity 2005 World Summit on Social Development Intergenerational Equity
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Governing the Commons
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Environmental Constraints 2005 World Summit on Social Development
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Three Pillars of Sustainability Environmental Constraints Societal Equity Economic Demands 2005 World Summit on Social Development
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Thank You Photo by Chris Helzer
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Restored Sand Prairie along Platte River Photo by Chris Helzer
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Showy Evening Primrose Summer After a Fire Photo by Chris Helzer
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Patch-Burn Grazing Along Platte River Photo by Chris Helzer
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