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Black Bear Damages in Virginia
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Executive Summary Analyze incidents of damage performed by black bears based upon county of incidence and type of occurrence. Analyze incidents of damage performed by black bears based upon county of incidence and type of occurrence. POTENTIAL SOLUTIONS: POTENTIAL SOLUTIONS: providing more resources for counties that are shown to have an increased likelihood for bear damage and conflict providing more resources for counties that are shown to have an increased likelihood for bear damage and conflict changes in land use and zoning for those counties with a higher incident rate. changes in land use and zoning for those counties with a higher incident rate.
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Goals Determine which Virginia counties have the most incidents of black bear damage and sightings, as well as the various types Determine which Virginia counties have the most incidents of black bear damage and sightings, as well as the various types Obtain an accurate portrayal of black bear confrontations within Virginia Obtain an accurate portrayal of black bear confrontations within Virginia
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Objectives Create map of Virginia counties Create map of Virginia counties Convert data from raw data into.dbf table Convert data from raw data into.dbf table Join data to county shapefile and analyze Join data to county shapefile and analyze
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Data County shapefile County shapefile VDGIF raw data for 2006-2007 VDGIF raw data for 2006-2007 PROBLEMS PROBLEMS scattered reporting scattered reporting 2 different codes used on forms 2 different codes used on forms
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Virginia Counties with Black Bear Damage Incidents
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Public Safety Concerns
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Trash Disturbances
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Property Damage
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Birdfeeder Damage
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Crop Damage
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Livestock Damage
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Livestock Feed Damage
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Other Damage
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Multiple Incidents
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Black Bear Sightings with no Damage
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Relocation
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Kill Permits Issued
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Analysis Simple chloropleth maps Simple chloropleth maps Import data as.dbf table Import data as.dbf table Join damage info with VDGIF county table Join damage info with VDGIF county table Join combined tables to county shapefile Join combined tables to county shapefile
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Analysis 2 Create new layers for various types of incidents Create new layers for various types of incidents Select by attribute for each element and export selected features Select by attribute for each element and export selected features Convert each new layer into individual chloropleth map based on number of incidents Convert each new layer into individual chloropleth map based on number of incidents
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Conclusions – Recommended Solution Stringent monitoring and increased resources for counties with significant damage incidents Stringent monitoring and increased resources for counties with significant damage incidents Include educational materials and trained personnel Include educational materials and trained personnel
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Conclusions - Counties SIGNIFICANT ACTIVITY SIGNIFICANT ACTIVITY Albemarle – 233 incidents Albemarle – 233 incidents Tazewell – 61 incidents Tazewell – 61 incidents Campbell – 42 incidents Campbell – 42 incidents LOWER ACTIVITY LOWER ACTIVITY Clarke, Page, Madison, Lancaster, Bath, Giles, Pulaski, Wythe, Carroll, Grayson, Buchanan, Wise, and Lee Clarke, Page, Madison, Lancaster, Bath, Giles, Pulaski, Wythe, Carroll, Grayson, Buchanan, Wise, and Lee
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Conclusion - Problems Problems importing tables Problems importing tables Geodatabase would not work Geodatabase would not work Editing tools would not work Editing tools would not work Data problems - confusing Data problems - confusing
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Conclusion - Changes More detailed map – topology More detailed map – topology Include surrounding cities Include surrounding cities
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Future Suggestions Compare county population vs. number of incidents Compare county population vs. number of incidents Potential population growth Potential population growth Types of land use – i.e. farming vs. urban Types of land use – i.e. farming vs. urban Pinpoint more precise location within counties for each incident Pinpoint more precise location within counties for each incident Use more years in data Use more years in data
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References Jamie Sajecki – Black Bear Project Leader, Wildlife Division, Virginia Department of Game and Inland Fisheries Jamie Sajecki – Black Bear Project Leader, Wildlife Division, Virginia Department of Game and Inland Fisheries Dr. Michael Vaughan, professor of Wildlife Sciences, Virginia Tech, Dr. Michael Vaughan, professor of Wildlife Sciences, Virginia Tech, GISTutorial GISTutorial
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