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Investigating the Effects of Woody Bioenergy Crops on Water Quality and Quantity

USDA FS SRS Center for Forest Watershed Science Coweeta Hydrologic Lab in Otto NC Santee Experimental Forest in Cordesville SC Coldwater Fish Unit in Blacksburg VA. Investigating the Effects of Woody Bioenergy Crops on Water Quality and Quantity. Study #1:

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Investigating the Effects of Woody Bioenergy Crops on Water Quality and Quantity

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  1. USDA FS SRSCenter for Forest Watershed ScienceCoweeta Hydrologic Lab in Otto NCSantee Experimental Forest in Cordesville SCColdwater Fish Unit in Blacksburg VA

  2. Investigating the Effects of Woody Bioenergy Crops on Water Quality and Quantity Study #1: Potential Watershed Responses to Eucalyptus Culture in the Southern United States How much water does Eucalyptus use relative to other species? Are differences great enough to matter? Eucalyptus grandisplantation Study Region

  3. Uses a combination of observed tree & crop water use, & leaf-level models of E. grandis • Developed AET/PET relationships & validated AET at the landscape scale with current LC & gage data (P-Ro) • Run simulations with changing LC & climate Watershed above USGS stream gage 02353500 Ichawaynochaway Creek at Milford Georgia Current Land Cover from NAS

  4. Investigating the Effects of Woody Bioenergy Crops on Water Quality and Quantity Study #2: Watershed Study on Hydrologic and Water Quality Effects of InterplantingSwitchgrass in Plantation Pine (NC, AL & MS sites) Switchgrassinterplanted with pine has potential for production of an energy crop without competition for land needed for food production. A paired watershed approach coupled with a model will be used to assess objectives. Loblolly Pine Switch grass

  5. Monitoring & Predicting the Effects of Climate Warming on Brook Trout Habitat GCMs predict 1:1 ratio of air temperature rise to water temperature rise If accurate, then 80% loss of brook trout habitat with climate change Initial network of 50 stream temp and air temp sites (2008-2009) across southern Appalachians showed 0.4:1 ratio Network expanded in 2010 to 204 sites out of 4000 sites, stratified random sample, most sites are on private land Loblolly Pine Switch grass

  6. Joint Venture Study Basin – Ecosystem ServicesAlbemarle–Pamlico • New study leverages existing southern Appalachian network & expands gradient to sea • 3M people (both urbanization & agriculture) • Rich aquatic biodiversity • Severe projected impacts of climate change by 2050 • Once you leave mtns, sites mostly on private lands Second largest estuary in the US Second largest estuary in the US

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