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Table 5 Newman-Keuls significance test of differences of losses (−) or surpluses (+) for the individual tree diameter classes, (MS = 0.00001, df = 10,996)

From: How much timber from Norway spruce (Picea abies L.) is left on the harvesting site as treetops? A study on scaling and grading yields of harvesters

Diameter class

Mean error

[m3]

 

10

0.0013

***

       

12

0.0011

***

       

14

0.00036

 

***

      

16

0.00021

 

***

      

18

− 0.00010

 

***

***

     

20

− 0.00060

  

***

***

    

22

− 0.00070

  

***

***

    

24

− 0.00090

   

***

***

   

26

− 0.0014

    

***

***

  

28

− 0.0017

     

***

***

 

30

− 0.0020

      

***

 

32

− 0.0022

      

***

 

34

− 0.0034

       

***

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Annals of Forest Science

ISSN: 1297-966X