Using Your Ash Tree Inventory Data

After the roadside ash inventory is complete, towns can do one (or more) of the following option to view, filter, or map data:

  • Contact Joanne Garton to receive an Excel spreadsheet of all your town ash inventory data. You can use this spreadsheet to tally the number of trees as classified by diameter class, conditions, management types, or priority removal status, and to view any comments associated with data points.
  • Contact Joanne Garton to receive a shapefile of this same data for use in GIS-based platforms, such as ESRI ArcMap).
  • View and filter data online using our Roadside Ash Viewer (that needs the same username and password you used in your inventory). You can filter data (using the button that looks like a funnel) as you choose, such as by size, condition, roadside type, etc., or combinations of all data types. This option is a webpage and does not work where you are offline or out of cell service.
  • View ash inventory data on the ANR Atlas. The data can only be displayed under their priority removal status (Yes, No, Unknown) as assigned in the field (or edited at any point later on). In the Layers tab of ANR Atlas, go to the “Forests, Parks and Recreation” tab and turn on the “Roadside Ash Inventory” layer. You can also add the “Emerald Ash Borer Areas” layer to see where your town roads intersect the high-risk EAB infested areas. From ANR Atlas, you can print 8 ½” x 11” or 11” x 17” layouts.
  • Use your georeferenced pdf map from ANR Atlas in an app like Avenza to track your location online. The app is free for up to 3 maps.
  • Now that the ash inventory data is on ANR Atlas, you can also export GIS data from the Open Data Portal. You can download either a shapefile or a spreadsheet. The coordinates in the spreadsheet are in lat/long.
  • Solicit assistance from either your Regional Planning Commission (RPC) or another person/organization with GIS expertise to utilize the shapefile of all town data to create maps that display data as you choose.


Return to the Ash Tree Inventories page.

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