Structure Characteristics of the Tree Layer of the Plant Community on Sunny Slope in Chuxiong Xishan Park

WEI Yu; YANG Zheng-bing

doi:10.16779/j.cnki.1003-5508.2015.04.026

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Volume 36 Issue 4

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2015 > 36(4): 120-124

WEI Yu, YANG Zheng-bing. Structure Characteristics of the Tree Layer of the Plant Community on Sunny Slope in Chuxiong Xishan Park[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(4): 120-124. doi: 10.16779/j.cnki.1003-5508.2015.04.026

Citation:

WEI Yu, YANG Zheng-bing. Structure Characteristics of the Tree Layer of the Plant Community on Sunny Slope in Chuxiong Xishan Park[J]. Journal of Sichuan Forestry Science and Technology, 2015, 36(4): 120-124. doi: 10.16779/j.cnki.1003-5508.2015.04.026

Structure Characteristics of the Tree Layer of the Plant Community on Sunny Slope in Chuxiong Xishan Park

doi: 10.16779/j.cnki.1003-5508.2015.04.026

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School of Geographical Science and Tourism Management, Chuxiong Normal University, Chuxiong 675000, Yunnan

Received Date: 2015-04-11

Abstract

With the method of sample survey,studies were made of the structure characteristics of the tree layer of plant communities on the sunny slope in Chuxiong Xishan Park. The results showed that the main arbor species were Pinus yunnanensis,Quercus acutissima Carruth,Castanopsis orthacantha,Pinus armandi,Keteleeria evelyniana and so on. The dominant families in low mountain zones were Fagaceae and Quercus. The dominant families in high mountain areas were Pinaceae and Pinus. With the increase of elevation,Shannon-Wiener index and Simpson index declined slowly, Margalef presented a single-peak distribution pattern,and Pielou index showed a bimodal distribution pattern. Arbor density first increased and then decreased with the enhancing of elevation. The DBH of trees were concentrated on Ⅱ、Ⅲ、Ⅳ diameter classes,such trees were mostly distributed in the middle and low altitudes.
- Xishan;
- Plant communities;
- Important value;
- Species diversity;
- Density;
- DBH
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沈阳化工大学材料科学与工程学院沈阳 110142

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Structure Characteristics of the Tree Layer of the Plant Community on Sunny Slope in Chuxiong Xishan Park

doi: 10.16779/j.cnki.1003-5508.2015.04.026

School of Geographical Science and Tourism Management, Chuxiong Normal University, Chuxiong 675000, Yunnan

Received Date: 2015-04-11

Key words:

Abstract: With the method of sample survey,studies were made of the structure characteristics of the tree layer of plant communities on the sunny slope in Chuxiong Xishan Park. The results showed that the main arbor species were Pinus yunnanensis,Quercus acutissima Carruth,Castanopsis orthacantha,Pinus armandi,Keteleeria evelyniana and so on. The dominant families in low mountain zones were Fagaceae and Quercus. The dominant families in high mountain areas were Pinaceae and Pinus. With the increase of elevation,Shannon-Wiener index and Simpson index declined slowly, Margalef presented a single-peak distribution pattern,and Pielou index showed a bimodal distribution pattern. Arbor density first increased and then decreased with the enhancing of elevation. The DBH of trees were concentrated on Ⅱ、Ⅲ、Ⅳ diameter classes,such trees were mostly distributed in the middle and low altitudes.