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Table 2 Sampling strategy to select trees in the plot for recording the parameters related to stem quality

From: Stem quality assessment in European National Forest Inventories: an opportunity for harmonised reporting?

Level of sampling

No. countries

Percenta

All treesb

11

39

Sub-sample

15

54

Sampling parameter

 Minimum dbh

7

25

 Minimum height

1

4

 Height sample trees only

3

11

 Species list

2

7

 Systematic

1

4

 Other

2

7

  1. aPercentage calculated from all 28 countries
  2. bAll trees recorded and measured in the plot (meeting the national threshold)