Community Tree Inventory Information

Simple Tree Inventory

Now that Emerald Ash Borer has been found in Nebraska, many communities are looking to have the knowledge of how many ash trees they have in their community. Small communities expecially do not have the resources to hire an inventory completed or the GIS software to map it.

Check with your county, you may be able to piggyback on their ArcGIS license which may include an app for you to collect data. If not, I’ve put together a simple open source (free) way for you to map your trees.

You will need to create a login so you can access the data after you’ve collected it. You can use your Google login. This is the first time I’ve shared a project so we might hit a speed bump, but if you’re willing to give a shot, so am I.

Put the Android or Apple version on your smart phone, click add project, search Tree inventory and you should find Tree Inventory PreEAB. EpiCollect5 user guide should show you all steps you need to complete your project.

If there is data you’d like to collect that isn’t in project, send me an email kim at and I’ll try to add it.


EpiCollect5 main page.
EpiCollect5 Inventory project ready made with Nebraska trees.

Google Play store EpiCollect5 iPhone version

Height of trees (only one app, there are others)
Diameter: if you don’t have a diameter tape, the quick answer is using a cloth sewing measuring tape and record circumference. Then calculate diameter (dbh) by divide the circumference by pi, a mathematical constant usually given as 3.1415. The result is the diameter of the tree. i.e. given a circumference of 52 inches, the diameter is 16.55 inches because 52 / 3.1415 = 16.55.