Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang

XIN Ying-ying; WEI Xin-liang

doi:10.11833/j.issn.2095-0756.2011.04.013

Volume 28 Issue 4

Aug. 2011

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XIN Ying-ying, WEI Xin-liang. Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang[J]. Journal of Zhejiang A&F University, 2011, 28(4): 601-606. doi: 10.11833/j.issn.2095-0756.2011.04.013

Citation:

XIN Ying-ying, WEI Xin-liang. Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang[J]. Journal of Zhejiang A&F University, 2011, 28(4): 601-606. doi: 10.11833/j.issn.2095-0756.2011.04.013

Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang

doi: 10.11833/j.issn.2095-0756.2011.04.013

1.
School of Environmential Sciences and Resources，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

More Information

Corresponding author: WEI Xin-liang
Publish Date: 2011-08-20

Abstract

To improve forest structure and forest landscape quality，tree intraspecific and interspecific competition characteristics of a conifer and broadleaf mixed forest，one of the main forest types of the Qingshan Lake Area，were studied. Methods included use of typical sampling laws to establish research plots with a survey of each measurement factor for species within the plots. The Hegyi competition index was used to analyze and to suggest improvements in defining dominant trees. Dominant trees were determined by judging the relationship of the crown to distance between dominant trees and objects. Regression analysis was also used. Results demonstrated that intraspecific competition of superior trees was greater than interspecific competition. Superior trees included Cunninghamia lanceolata，Castanopsis eyrei，Schoepfia jasminodora，and Schima superba. Strong competition was found between the Quercus fabri and Liquidambar formosana，Q. fabri and Castanopsis eyrei，and Platycarya strobilacea and Cunninghamia lanceolata. Regression analysis showed that competition intensity and tree diameter at breast height（DBH）had a significant（P ＜ 0.01）exponential relationship. Also，intraspecific and interspecific competition intensity of a dominant tree population decreased when tree DBH increased，remaining at low levels. Thus，strong competition between species showed that they had similar niche requirements with competition for resources on the environment being more intense.［Ch，2 fig. 4 tab. 9 ref.］
- forest ecology,
- mixed conifer and broadleaf forest,
- dominant tree species,
- egyi competition index,
- competitive tree selection,
- Qingshan Lake

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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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Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang

1. School of Environmential Sciences and Resources，Zhejiang A & F University，Lin’an 311300，Zhejiang，China

Corresponding author: WEI Xin-liang

Publish Date: 2011-08-20

Key words:

Abstract: To improve forest structure and forest landscape quality，tree intraspecific and interspecific competition characteristics of a conifer and broadleaf mixed forest，one of the main forest types of the Qingshan Lake Area，were studied. Methods included use of typical sampling laws to establish research plots with a survey of each measurement factor for species within the plots. The Hegyi competition index was used to analyze and to suggest improvements in defining dominant trees. Dominant trees were determined by judging the relationship of the crown to distance between dominant trees and objects. Regression analysis was also used. Results demonstrated that intraspecific competition of superior trees was greater than interspecific competition. Superior trees included Cunninghamia lanceolata，Castanopsis eyrei，Schoepfia jasminodora，and Schima superba. Strong competition was found between the Quercus fabri and Liquidambar formosana，Q. fabri and Castanopsis eyrei，and Platycarya strobilacea and Cunninghamia lanceolata. Regression analysis showed that competition intensity and tree diameter at breast height（DBH）had a significant（P ＜ 0.01）exponential relationship. Also，intraspecific and interspecific competition intensity of a dominant tree population decreased when tree DBH increased，remaining at low levels. Thus，strong competition between species showed that they had similar niche requirements with competition for resources on the environment being more intense.［Ch，2 fig. 4 tab. 9 ref.］

Dominance in a mixed conifer and broadleaved forest of Qingshan Lake, Zhejiang

doi: 10.11833/j.issn.2095-0756.2011.04.013

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views