69 Thinning

If a thinning has taken place in the five-year period between the two years of determination of diameter, basal area per plot and volume per plot, this will be indicated as follows:

• Yes = 1

• No = 0

In an additional part the details of this thinning may be described as detailed as possible including:

• thinning method

• exact year of thinning

• thinning intensity (expressed as number of trees)

• basal area per ha

• volume per ha