Proceedings of the 2004 Bats and Wind Power Generation ...
Proceedings of the 2004 Bats and Wind Power Generation ...
Proceedings of the 2004 Bats and Wind Power Generation ...
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CHAPTER 5. WHAT ACTIONS DO WE NEED TO TAKE NOW TO ADDRESS THE PROBLEMS ANDNEAR TERM PRIORITIES?During this session, <strong>the</strong> experts fur<strong>the</strong>r defined “near term”, into <strong>the</strong> following three categories: Pre-Season (within 4 months / beforeJuly), Near-Term Priorities (July-September), <strong>and</strong> O<strong>the</strong>r ActionsTABLE 5. NEAR TERM PRIORITIES♦ TOP PRIORITIESPRE-SEASON(WITHIN 4 MONTHS / BEFORE JULY)• Daily (twice daily) mortality searches at all sites from mid July tomid September♦♦♦♦♦♦♦♦• Compile bibliography♦♦♦♦♦♦♦• Search protocol development <strong>and</strong> testing this summer. Selectsites where daily searches are conducted to evaluate optimalsearch protocol- nets♦♦♦♦♦♦• Complete analysis <strong>of</strong> existing data, wea<strong>the</strong>r, etc…♦♦♦♦♦♦• Agreed upon strategy for information dissemination <strong>and</strong> sharing♦♦♦♦♦• Measure acoustic emissions <strong>of</strong> turbines- including above audible range♦♦♦♦♦• Experimental study to show effects <strong>of</strong> switching <strong>of</strong>f turbines♦♦♦♦• Necropsy bats <strong>and</strong> freeze specimen♦♦♦♦• St<strong>and</strong>ardize mortality surveys (begin)- peer review♦♦♦♦• Daily comparisons <strong>of</strong> bat kills with wea<strong>the</strong>r♦♦♦♦• Examine feasibility <strong>of</strong> turbine locking in low wind nights♦♦♦• Compile data from “obscure” reports / data sets♦♦♦• Train dog to find carcasses♦• Necropsies on carcasses (stomach contents also)NEAR TERM PRIORITIES(JULY-SEPTEMBER)• Observe strikes (visual lights & <strong>the</strong>rmal imaging)♦♦♦♦♦♦♦• Correlate acoustic <strong>and</strong> <strong>the</strong>rmal imaging data♦♦♦♦• Locally compare bat activity at turbine <strong>and</strong> non-turbine sites(controls)♦♦♦• Synergy ; more than one technique applied concurrently♦♦♦• Test tools <strong>and</strong> technologies at specific sites this summer♦♦♦• During migration observe bats using:o radar / marineo <strong>the</strong>rmal imagingo acoustics♦♦♦• Acoustic monitor at multiple sites (July-Sept) at blade height(Species? Feeding?)♦♦• Pre-site survey at least 1 season data (April – Nov),acoustic, mist nets• Radar monitoring <strong>of</strong> sites during migration♦♦• Mortality searches vs.:o bat locationo wind speed / directiono insects on bladeso turbine on vs. <strong>of</strong>f♦• Survey bat use <strong>of</strong> ridges <strong>and</strong> <strong>of</strong>f-ridge habitats in vicinity♦• Pilot studies- observationalTechnical (engineering) evaluation <strong>of</strong> what is happening inOTHER ACTIONS• Comparison <strong>of</strong> mortality rate wi<strong>the</strong>arlier movement <strong>of</strong> bats predictedby radar- birds vs. bats unknown♦• Compare daily bat mortality <strong>and</strong>turbine activity at multiple sites♦• Describe regional bat migrationdensity pattern for Appalachia <strong>and</strong>East <strong>of</strong> Mississippi River• Identify mitigation measures forproviding population benefits forthreatened <strong>and</strong> endangered species• Evaluate if corridor creationincreases bat numbers<strong>Bats</strong> <strong>and</strong> <strong>Wind</strong> <strong>Power</strong> <strong>Generation</strong> Technical Workshop 8
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