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Published byPriscilla Powers Modified over 9 years ago
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Photos provided by: Aaron Kloss, ODOF and Joanne Rebbeck, Northern Research Station A Partnership with Ohio Division of Forestry
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ODOF Survey Personnel Pilot and Bell 206 B3 Jet Ranger helicopter Two DOF spotters on helicopter
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Reference layers on tablet PC include: Survey boundary area USGS 7.5 minute quads (1:24,000) Any previously mapped infestations or survey routes Digital Area Sketch Mapping using a Hammerhead tablet PC (Baker GeoLink software) and Bluetooth enabled Garmin EMTAC GPS lined to software
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Conduct surveys early to middle winter (leaf-off) Map female seed-bearing trees Winter surveys allow fast surveys and low cost/acre Winter 2010-2011: mapped 163,256 acres in 6 days Cost to WNF = $4.66/ac
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Conduct survey in early to middle winter (leaf-off) Altitude of 150-600 feet above ground level at speeds of 55-80 mph Survey lines spaced at 1,800 – 2,500 feet apart on a N-S orientation (based on visibility and environmental conditions) When groups of Ailanthus spotted, pilot generally circles back around infested areas to facilitate mapping
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-79,734 ac surveyed -1,356 infestations identified -6,399 ac of Ailanthus mapped
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Objective: Search, Inventory, and Treat Ailanthus BEFORE any active management Ground truth portion or aerial mapped polygons Look for Ailanthus wilt Determine a strategy to treat Ailanthus prior to implementing Landscape Vegetation Projects implementation
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Learn how to identify Ailanthus wilt Help ground truth aerially mapped Ailanthus on WNF when in the field
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