Calculating method of unmeasured cut in continuous forest inventory

ZHANG Guo-jiang; LIU An-xing

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Volume 19 Issue 3

Jul. 2017

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Article Navigation > Journal of Zhejiang A&F University > 2002 > 19(3): 251-254

ZHANG Guo-jiang, LIU An-xing. Calculating method of unmeasured cut in continuous forest inventory[J]. Journal of Zhejiang A&F University, 2002, 19(3): 251-254.

Citation:

ZHANG Guo-jiang, LIU An-xing. Calculating method of unmeasured cut in continuous forest inventory[J]. Journal of Zhejiang A&F University, 2002, 19(3): 251-254.

Calculating method of unmeasured cut in continuous forest inventory

1.
Monitoring Center for Forest Resources in Zhejiang Province , Hangzhou 310020 , Zhejiang , China

Publish Date: 2002-09-20

Abstract

In continuous forest inventory (CFI), according to normal calculating method of unmeasured cut , it is considered that the unmeasured cut is affected by different psecies of tress and classes cut , but which ignored that the beginning foest stock of cut distrbutes with gradient on per-year and does unevenly before and after the growing season in a certain year .As a result of study , authors thought that the four factors should be considered together , then guided corresponding calcuating formula .From the result of examples , we can see the calculated unmeasured cut in different conditions is higher between 9.9 % to 37.4 % than it in the condition based on the four factors .
- forest resources,
- continuous forest inventory,
- forest stock,
- unmeasured cut

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Calculating method of unmeasured cut in continuous forest inventory

1. Monitoring Center for Forest Resources in Zhejiang Province , Hangzhou 310020 , Zhejiang , China

Publish Date: 2002-09-20

Key words:

Abstract: In continuous forest inventory (CFI), according to normal calculating method of unmeasured cut , it is considered that the unmeasured cut is affected by different psecies of tress and classes cut , but which ignored that the beginning foest stock of cut distrbutes with gradient on per-year and does unevenly before and after the growing season in a certain year .As a result of study , authors thought that the four factors should be considered together , then guided corresponding calcuating formula .From the result of examples , we can see the calculated unmeasured cut in different conditions is higher between 9.9 % to 37.4 % than it in the condition based on the four factors .

ZHANG Guo-jiang, LIU An-xing. Calculating method of unmeasured cut in continuous forest inventory[J]. Journal of Zhejiang A&F University, 2002, 19(3): 251-254.

Citation:

ZHANG Guo-jiang, LIU An-xing. Calculating method of unmeasured cut in continuous forest inventory[J]. Journal of Zhejiang A&F University, 2002, 19(3): 251-254.

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