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Procedures

  1. Find a location near a green space or near traffic that has trees.

  2. Search the tree for lichen (be sure to pick a spot with the most lichen)

  3. If you have a partner, have your partner set the square (use a sheet of paper and four pins with string or yarn) while you set up epicollect.

  4. Use a lichen grading scale to measure the amount of lichen.

  5. On epicollect open up Lichen & Air pollution.

  6. If you’re not sure about the species of the tree, use a tree guide to identify the tree.

  7. Take circumference of the tree, be sure to measure the circumference 4 1/2ft from the base of the tree (be sure to use cm after you take the circumference)

  8. For the particulate matter, connect your device up to a Air beam.

  9. Make sure you have a data sheet to fill in the information.

  10. When measuring lichen, use the guide on how crust, leafy, and bushy looks in order to give it a score from the lichen scale.

Materials

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Things you need to collect data

 

Measuring tape

  • 1

To take the circumference of the tree

String

  • 1

To located where you'll be observing lichen on the tree

Pins

  • 8

To help set up the string 

Field guides

  • 2

To identify lichen and trees

Magnifying glasses

  • 1

Looking at lichen

Tablet

  • 1

Collecting data on epicollect

Scratch paper

  • 1

To help make a square

Air beam

  • 1

Particulate matter

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