Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province

FUBin-ling; NIE Xiang-yong; YAO Shun-bin

Volume 24 Issue 1

Feb. 2017

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FUBin-ling, NIE Xiang-yong, YAO Shun-bin. Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province[J]. Journal of Zhejiang A&F University, 2007, 24(1): 44-49.

Citation:

FUBin-ling, NIE Xiang-yong, YAO Shun-bin. Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province[J]. Journal of Zhejiang A&F University, 2007, 24(1): 44-49.

Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province

1.
East China Forest Inventory and Planning Institute, State Forestry Administration, Jinhua 321001, Zhejiang,China

Received Date: 2006-02-27
Rev Recd Date: 2006-05-29
Publish Date: 2007-02-20

Abstract

Data accuracy and reliability are key factors forinventory results to objectively and factually reflectforest resource situations.Sampling scheme design, inventory technology and methodology, operational process and many other factors influences the continuous forest inventory(CFI)data accuracy and reliability.Among them, sampling scheme design is the key factorof effecting CFI data quality. In order to optimize CFI system, and prevent the side effects to CFI data quality by periodical alterations of systematic sampling and special artificial treatment issues, Zhejiang Province started experiments and researches on anti-deviation technology adopting sampling scheme of permanentplots plus substitute(temporary) plots in 1994. This paper calculates and analyzes three periods of Zhejiang Province CFI data since 1989 by groups, using methods of the Difference Test for Population Average and the Variance Analysis. Every combination of the three periods of data passes the Difference Test for Population Average and the Single Factor Variance Analysis, and there are no noticeable differences. Tentative experimental results demonstrate that the CFI sample plots are well representative of Zhejiang forest resources, and obvious systematic deviation does not exist.[Ch, 3 fig. 9 tab. 13 ref.]

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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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Proportional views

Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province

1. East China Forest Inventory and Planning Institute, State Forestry Administration, Jinhua 321001, Zhejiang,China

Received Date: 2006-02-27

Rev Recd Date: 2006-05-29

Publish Date: 2007-02-20

Key words:

forest management /
continuous forest inventory(CFI) /
sampling scheme design /
samplingdeviation /
special artificial treatment issues /
the difference test for population average

Abstract: Data accuracy and reliability are key factors forinventory results to objectively and factually reflectforest resource situations.Sampling scheme design, inventory technology and methodology, operational process and many other factors influences the continuous forest inventory(CFI)data accuracy and reliability.Among them, sampling scheme design is the key factorof effecting CFI data quality. In order to optimize CFI system, and prevent the side effects to CFI data quality by periodical alterations of systematic sampling and special artificial treatment issues, Zhejiang Province started experiments and researches on anti-deviation technology adopting sampling scheme of permanentplots plus substitute(temporary) plots in 1994. This paper calculates and analyzes three periods of Zhejiang Province CFI data since 1989 by groups, using methods of the Difference Test for Population Average and the Variance Analysis. Every combination of the three periods of data passes the Difference Test for Population Average and the Single Factor Variance Analysis, and there are no noticeable differences. Tentative experimental results demonstrate that the CFI sample plots are well representative of Zhejiang forest resources, and obvious systematic deviation does not exist.[Ch, 3 fig. 9 tab. 13 ref.]

Anti-deviation experiments on systematic sampling for continuous forest inventory of Zhejiang Province

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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