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Blandy Experimental Farm

Blandy Experimental Farm



Presentation by David Carr of Blandy Experimental Farm for a May 2012 Invasive Plant Workshop.

Presentation by David Carr of Blandy Experimental Farm for a May 2012 Invasive Plant Workshop.



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    Blandy Experimental Farm Blandy Experimental Farm Presentation Transcript

    • University of Virginia’s Blandy Experimental Farm Interpretation the collections of theUniversity Orland E. WhiteResearch Public Outreach Arboretum
    • University of Virginia’s Blandy Experimental Farm Orland E. White ArboretumBlandy Experimental  Farm
    • Blandy Experimental FarmOrland E. White Arboretum
    • With 24% of the earth’s terrestrial vegetation classifiedas grasslands, they represent the most extensive of theearth’s biomes.
    • • Before settlement, grasslands stretchedsouth from Alberta, Saskatchewan, andManitoba to the highlands of Mexico andwest from Indiana to the Rockies.• Coverage was over 1 million squaremiles in the U.S. alone.• States have lost 82% - 99% of tallgrassprairie• States have lost 30% – 99% of mixedgrass prairie• States have lost 20% - 86% ofshortgrass prairie
    • There are 55 grassland animal species listed as either threatened or endangered in the United States.Lesser Prairie Chicken
    • Natural Grassland Communities of Virginia• Southern Appalachian Grassy Balds • Ultramafic Barrens – Mountain oat grass and sedges – Little bluestem, Indian grass – White-top Mountain – Franklin and Grayson Counties• Acidic Oak-Hickory Woodlands and • Riverside Outcrop Barrens Savannas – Big and little bluestem – Little bluestem, Indian grass, broom sedge – Patomac, Shenandoah, and James Rivers – Quantico Marine Base • Maritime Dune Grasslands• Low Elevation Acidic Outcrop Barrens – Cordgrass, beach grass, sea oats, little bluestem – Little blue, broom sedge, oat grass, sedges – Virginia coastal dunes – Blue Ridge, Valley and Ridge • Riverside Prairies• Limestone and Dolomite Barrens – Big bluestem, Indian grass, switch grass – Big and little bluestem, Indian grass, side oats – Patomac River gorge – Western Valley and Ridge • Mesic & Wet-Mesic Prairies• Piedmont Prairies – Big bluestem and Indian grass – Little bluestem, Indian grass – Ridge and Valley region – Quantico, Ft. Pickett, Manassas
    • Modern-daygrasslands inVirginia existprimarily inagriculturalsettings.
    • Most Virginia grasslandsare dominated by exotic,cool-season grasses. Festuca elatior Tall fescue ‘Kentucky 31’
    • Henslow’s SparrowGrasshopper Sparrow
    • Big bluestem Little bluestem Broom sedgeSwitch grass Side-oats grama Indian grass
    • Photosynthetic Pathways • Spring and C3 early summer“Cool season • Drought grasses” intolerant • Mid - late C4 summer“Warm season • Drought grasses” tolerant
    • Bunch GrassesLittle bluestem Big bluestem
    • Tall Stature Big bluestem
    • Native Warm Season Grasses and Livestock Grazing
    • Sources for Warm Season Grass Seed• Ernst Conservation Seed – www.ernstseed.com• Bamert Seed Company – www.bamertseed.com• Prairie Moon – www.prairiemoon.com• Prairie Nursery – www.prairienursery.com
    • Site Preparation Site PreparationHerbicide Treatments Herbicide • Roundup® Sept. 1999 • Roundup® April 2000
    • Site Preparation Burn Virginia Department of Forestry 19 April 2000
    • No-tillWSG Drill VGIF May 2000
    • Setaria glaucaYellow foxtail
    • Cirsium and Carduus spp. Thistles
    • Lonicera japonicaJapanese honeysuckle
    • Galium verumPrior to Manipulation Yellow bedstraw
    • Sorghastrum nutans Indian grass
    • Important Collaborators• U.S.D.A. Natural Resource Conservation Service – Mike Liskey – Dr. Greg Moser• Virginia Department of Game and Inland Fisheries – Patty Moore – Bonnie Larson-Brogdon• Virginia Department of Forestry – Gerald Crowell• Ernst Conservation Seed – Carl Ernst
    • Other Resources: Virginia Native Plant Society www.vnps.org Department of Conservation & Recreation www.dcr.state.va.us Virginia Working Landscapes www.vaworkinglandscapes.org
    • Other Resources:Blandy Experimental Farm blandy.virginia.edu David E. Carr blandy@virginia.edu