Demonstrator

Erik's model for birch in all Sweden

The following table allows you to assess risk of damage for a limited range of possibilites. To assess the risk for other combinations contact erik.valinger@ssko.slu.se

Please enter the characteristics of the largest tree in the sample plot into the table below

DBH is 10 25 40
Relative crown length is 0.5 0.7 0.9
H/dbh ratio is 0.4 0.7 1.0
Clear bole height is 2 6 10
Risk of damage is:

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Last modified: Tue Sep 9 15:21:30 BST 1997