Task:   Observe and record green down in trees or shrubs.
 

What You Need

First visit only
    Green-Down Data Sheet
    Compass
    Pencil or pen or Fine-Tip Permanent Marker
    Camera
    GLOBE Plant Color Guide

Every visit
    GLOBE Plant Color Guide
    Green-Down Data Sheet
    Pencil or pen

First visit only/getting started
    1.Complete the upper portion of your data sheet.
    2.Locate the leaf at the end of the branch.Label this leaf by marking one dot on the branch next
to the leaf stem or petiole.Locate the three other leaves on this branch closest to this terminal leaf.
    3.Label these leaves by marking two,three,or four dots next to their stems on the branch.
    4.Take a photograph looking in the north,south,east,and west directions.

Every visit
    1.Examine each of your four leaves.For each leaf,use the GLOBE Plant Color Guide to estimate the dominant color of each leaf.For example,if leaf 1 appears colored at 60 percent 5G 7/12 and 40 percent 2.5 Y8/10, record the leaf color as 5G 7/12 for that observation date.

    2.Record your observations in your Tree Journal and on the Green-Down Data Sheet.
        If leaf is snow covered, report ìsnow covered.
        If leaf has fallen,report 'fallen' and stop reporting after that.
        Otherwise, continue to report the color until the color stops changing.