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Frequency map showing share of forested area consisting of surface boulder class big and few boulders |
Frequency map classes has been created by a combination of SK:s classes for surface boulder-diameter and surface boulder-number according following scheme (codes within parenthesis):
Class |
Surface boulder - diameter (dm) |
Surface boulder - number |
Big and few boulders |
(07) 6.1-7.0
(08) 7.1-8.0
(09) 8.1-9.0
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(98) 97.1-98.0
(99) 98.1- |
(1) 1-5
(2) 6-10
(3) 11-20 |
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Big and few boulders |
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