Investigation and Niche Analysis of Natural <i>Cystonathyrium Chinese</i> Population in the Erlang Mountain

WEN Zhi-you; YU Ling-fan; CHEN Hong-lian; YANG Hong-zhong; HE Rang

doi:10.16779/j.cnki.1003-5508.2016.05.012

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Volume 37 Issue 5

Nov. 2019

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Article Navigation > Journal of Sichuan Forestry Science and Technology > 2016 > 37(5): 51-54,88

WEN Zhi-you, YU Ling-fan, CHEN Hong-lian, YANG Hong-zhong, HE Rang. Investigation and Niche Analysis of Natural Cystonathyrium Chinese Population in the Erlang Mountain[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(5): 51-54,88. doi: 10.16779/j.cnki.1003-5508.2016.05.012

Citation:

WEN Zhi-you, YU Ling-fan, CHEN Hong-lian, YANG Hong-zhong, HE Rang. Investigation and Niche Analysis of Natural Cystonathyrium Chinese Population in the Erlang Mountain[J]. Journal of Sichuan Forestry Science and Technology, 2016, 37(5): 51-54,88. doi: 10.16779/j.cnki.1003-5508.2016.05.012

Investigation and Niche Analysis of Natural Cystonathyrium Chinese Population in the Erlang Mountain

doi: 10.16779/j.cnki.1003-5508.2016.05.012

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Sichuan Academy of Forestry, Chengdu 610066, China;Forestry Bureau of Tianquan, Tianquan 205500, China

Received Date: 2016-06-13

Abstract

Based on the investigation data collected from natural of Cystonathyrium Chinese populations in three natural plots,studies were made of the niche breadth values, niche similarity values and niche overlap values of the main herb species in the plant community of Cystonathyrium Chinese by the method of quantitative analysis. The results showed that niche width of C.chinese was comparatively high; it was disjunctive distribution in the subordinate status of their community.The niche overlap between populations was in the high degree.Their relationship was complex, and the sharing of resources was evident. Based on analysis of their endangered reasons,their own poor reproductive capacity and the deteriorating habitant condition were probably the main reasons of their endangerment.
- Cystonathyrium Chinese Ching.;
- Niche width;
- Niche similarity;
- Niche overlaping;
- Endangerment mechanism
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通讯作者: 陈斌, bchen63@163.com

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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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Investigation and Niche Analysis of Natural Cystonathyrium Chinese Population in the Erlang Mountain

doi: 10.16779/j.cnki.1003-5508.2016.05.012

Sichuan Academy of Forestry, Chengdu 610066, China;Forestry Bureau of Tianquan, Tianquan 205500, China

Received Date: 2016-06-13

Key words:

Abstract: Based on the investigation data collected from natural of Cystonathyrium Chinese populations in three natural plots,studies were made of the niche breadth values, niche similarity values and niche overlap values of the main herb species in the plant community of Cystonathyrium Chinese by the method of quantitative analysis. The results showed that niche width of C.chinese was comparatively high; it was disjunctive distribution in the subordinate status of their community.The niche overlap between populations was in the high degree.Their relationship was complex, and the sharing of resources was evident. Based on analysis of their endangered reasons,their own poor reproductive capacity and the deteriorating habitant condition were probably the main reasons of their endangerment.