Volume 29 Issue 1
Feb.  2012
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Yilita, Haoshuqi, HAN Hai-rong, FAN Xiao-hua, KANG Feng-feng. Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains[J]. Journal of Zhejiang A&F University, 2012, 29(1): 46-51. doi: 10.11833/j.issn.2095-0756.2012.01.009
Citation: Yilita, Haoshuqi, HAN Hai-rong, FAN Xiao-hua, KANG Feng-feng. Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains[J]. Journal of Zhejiang A&F University, 2012, 29(1): 46-51. doi: 10.11833/j.issn.2095-0756.2012.01.009

Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains

doi: 10.11833/j.issn.2095-0756.2012.01.009
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  • Corresponding author: HAN Hai-rong
  • Received Date: 2011-04-26
  • Rev Recd Date: 2011-05-30
  • Publish Date: 2012-02-20
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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Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains

doi: 10.11833/j.issn.2095-0756.2012.01.009
    Corresponding author: HAN Hai-rong

Abstract: To determine important indicators of resource status,such as species,niche breadth (Bi and Ba),and niche overlap),a survey of datum plots for populations of trees (6 species),shrubs (8 species),and herbs (11 species) within a Quercus liaotungensis forest in the Lingkong Mountains of Shaanxi Province were studied using the niche breadth formulae of Levins and Hurlbert and the niche overlap formula of Levins. Results indicated that in the overstory,niche breadth for Quercus liaotungensis (Bi = 1.159 0 and Ba = 0.796 0) and Pinus tabuliformis (Bi = 0.990 7 and Ba = 0.536 1) was greatest. In the shrub layer,niche breadth of Spiraea trilobata (Bi = 1.095 0 and Ba = 0.509 0) was largest. In the herb layer,niche breadth of Carex lanceolata (Bi = 1.309 7 and Ba = 0.948 5) was the most prevalent. Degrees of overlap existed among the various layers with the overlap indexes gradually decreasing from the overstory to the understory. Thus,species with a larger niche breadth had stronger resource utilization capabilities,and their niche overlap was greater than other populations.[Ch,1 fig. 4 tab. 14 ref.]

Yilita, Haoshuqi, HAN Hai-rong, FAN Xiao-hua, KANG Feng-feng. Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains[J]. Journal of Zhejiang A&F University, 2012, 29(1): 46-51. doi: 10.11833/j.issn.2095-0756.2012.01.009
Citation: Yilita, Haoshuqi, HAN Hai-rong, FAN Xiao-hua, KANG Feng-feng. Niche characteristics of a Quercus liaotungensis forest in the Lingkong Mountains[J]. Journal of Zhejiang A&F University, 2012, 29(1): 46-51. doi: 10.11833/j.issn.2095-0756.2012.01.009

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