Thinning Algorithm Parameters - Revision history

Peder at 14:31, 29 March 2010

2010-03-29T14:31:16Z

Peder at 14:19, 29 March 2010

2010-03-29T14:19:53Z

2010-03-29T13:48:25Z

Created page with 'Applies when Thinning Algorithm = Hugin. ;Deciduous/Conifers (x1): Parameter for adjusting thinning grade of deciduous trees versus conifers. :x1 = 0: Same proportion. :x1 > �?�'

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Applies when Thinning Algorithm = Hugin.

;Deciduous/Conifers (x1): Parameter for adjusting thinning grade of deciduous trees versus conifers.
:x1 = 0: Same proportion.
:x1 > 0: Thinning grade for deciduous trees is relatively larger than thinning grade for conifers.
:x1 < 0: Thinning grade for conifers is larger than for deciduous.
:Range: between -1 and 1.
:Default: 0
;Spruce/Pine (x2): Parameter for adjusting thinning grade of spruce trees versus pine (including contorta).
:x2 = 0: Same proportion.
:x2 > 0: Thinning grade for spruce is larger than for pine.
:x2 < 0: Thinning grade for pine is larger than for spruce.
:Range: between -1 and 1.
:Default: 0
;From above/below (x3): Parameter for thinning form.
:x3 = 0: Uniform thinning.
:x3 > 0: Thinning from above.
:x3 < 0: Thinning from below.
:Range: between -1 and 1.
:Default: -0.2 (i.e. from below)
;Second smallest/smallest (x4): Parameter for distributing thinning grade over two smallest diameter classes, in each thinning species group (spruce, pine, deciduous).
:x4 = 0: For each species group, Same proportion in diameter class 1 and 2.
:x4 > 0: Higher thinning grade in diameter class 2 than in diameter class 1.
:x4 < 0: Higher thinning grade in diameter class 1 than in diameter class 2.
:Range: between -1 and 1.
:Default: -0.1 (i.e. relatively more of smallest)
;Largest/Second largest (x5): Parameter for distributing thinning grade over two largest diameter classes.
:x4 = 0: Uniform thinning.
:x4 > 0: Thin more of largest trees.
:x4 < 0: Thin more of second largest than of largest trees.
:Range: between -1 and 1.
:Default: -0.1 (i.e. relatively more of second largest)

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 Applies when Thinning Algorithm = Hugin.
 ;Deciduous/Conifers (x1): Parameter for adjusting thinning grade of deciduous trees versus conifers.
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 :Default: -0.1 (i.e. relatively more of smallest)
 ;Largest/Second largest (x5): Parameter for distributing thinning grade over two largest diameter classes.
-:x4 = 0: Uniform thinning.
+:x5 = 0: Uniform thinning.
-:x4 > 0: Thin more of largest trees.
+:x5 > 0: Thin more of largest trees.
-:x4 < 0: Thin more of second largest than of largest trees.
+:x5 < 0: Thin more of second largest than of largest trees.
 :Range: between -1 and 1.
 :Default: -0.1 (i.e. relatively more of second largest)