Stand structure and bamboo shoot number production based assessment of degradation degree of <em>Phyllostachys praecox</em> covered with organic materials

LIU Li; CHEN Shuang-lin; LI Yan-hong

doi:10.11833/j.issn.2095-0756.2010.01.003

Volume 27 Issue 1

Feb. 2010

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LIU Li, CHEN Shuang-lin, LI Yan-hong. Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials[J]. Journal of Zhejiang A&F University, 2010, 27(1): 15-21. doi: 10.11833/j.issn.2095-0756.2010.01.003

Citation:

LIU Li, CHEN Shuang-lin, LI Yan-hong. Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials[J]. Journal of Zhejiang A&F University, 2010, 27(1): 15-21. doi: 10.11833/j.issn.2095-0756.2010.01.003

Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

doi: 10.11833/j.issn.2095-0756.2010.01.003

1.
Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China;
2.
Applied Technology School of Yuhang，Yuhang 311121，Zhejiang，China

Publish Date: 2010-02-20

Abstract

A principal component analysis of 14 factors including the stand structure and bamboo shoot number in multiple plots was conducted to establish an assessment system of degradation degree of Phyllostachys praecox covered with organic materials. The 15 experiment points were set in P. praecox cultivation region of Linan City. The results indicated that the age structure，average diameter of breast height （DBH） and bamboo shoot output were important indexes in assessing the degradation degree of P. praecox. The test area were classified into six grades and four categories in terms of the degradation degree of P. praecox，namely，heavy degradation （grade Ⅰ），medium degradation （grades Ⅱ and Ⅲ），slight degradation（grade Ⅳ，Ⅴ） and normal（Ⅵ）. Percentage of the four categories was 13.34%，26.66%，46.67% and 13.33% respectively. P. praecox covered with organic materials would lead to improper age structure，decrease in DBH，uniformity and evenness，degradation of forest and decreased bamboo shoot yield. ［Ch，5 tab. 20 ref.］
- silviculture,
- Phyllostachys praecox,
- stand structure,
- yield of bamboo shoot,
- principal component analysis,
- degradation degree

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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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Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China;

2. Applied Technology School of Yuhang，Yuhang 311121，Zhejiang，China

Publish Date: 2010-02-20

Key words:

Abstract: A principal component analysis of 14 factors including the stand structure and bamboo shoot number in multiple plots was conducted to establish an assessment system of degradation degree of Phyllostachys praecox covered with organic materials. The 15 experiment points were set in P. praecox cultivation region of Linan City. The results indicated that the age structure，average diameter of breast height （DBH） and bamboo shoot output were important indexes in assessing the degradation degree of P. praecox. The test area were classified into six grades and four categories in terms of the degradation degree of P. praecox，namely，heavy degradation （grade Ⅰ），medium degradation （grades Ⅱ and Ⅲ），slight degradation（grade Ⅳ，Ⅴ） and normal（Ⅵ）. Percentage of the four categories was 13.34%，26.66%，46.67% and 13.33% respectively. P. praecox covered with organic materials would lead to improper age structure，decrease in DBH，uniformity and evenness，degradation of forest and decreased bamboo shoot yield. ［Ch，5 tab. 20 ref.］

Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

doi: 10.11833/j.issn.2095-0756.2010.01.003

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

doi: 10.11833/j.issn.2095-0756.2010.01.003

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China;

2. Applied Technology School of Yuhang，Yuhang 311121，Zhejiang，China

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Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

doi: 10.11833/j.issn.2095-0756.2010.01.003

Abstract

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通讯作者: 陈斌, bchen63@163.com

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Stand structure and bamboo shoot number production based assessment of degradation degree of Phyllostachys praecox covered with organic materials

doi: 10.11833/j.issn.2095-0756.2010.01.003

1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China; 2. Applied Technology School of Yuhang，Yuhang 311121，Zhejiang，China

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1. Research Institute of Subtropical Forestry，The Chinese Academy of Forestry，Fuyang 311400，Zhejiang，China;

2. Applied Technology School of Yuhang，Yuhang 311121，Zhejiang，China