Species diversity in a <em>Casuarina equisetifolia</em> understory along a highway

YOU Longhui; YE Gongfu; CHEN Zenghong; BAI Yonghui; ZHU Meiqin

doi:10.11833/j.issn.2095-0756.2013.01.006

Volume 30 Issue 1

Apr. 2013

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YOU Longhui, YE Gongfu, CHEN Zenghong, BAI Yonghui, ZHU Meiqin. Species diversity in a Casuarina equisetifolia understory along a highway[J]. Journal of Zhejiang A&F University, 2013, 30(1): 38-47. doi: 10.11833/j.issn.2095-0756.2013.01.006

Citation:

YOU Longhui, YE Gongfu, CHEN Zenghong, BAI Yonghui, ZHU Meiqin. Species diversity in a Casuarina equisetifolia understory along a highway[J]. Journal of Zhejiang A&F University, 2013, 30(1): 38-47. doi: 10.11833/j.issn.2095-0756.2013.01.006

Species diversity in a Casuarina equisetifolia understory along a highway

doi: 10.11833/j.issn.2095-0756.2013.01.006

1.
Forestry College，Fujian Agriculture and Forestry University，Fuzhou 350001，Fujian，China;
2.
Fujian Academy of Forestry Sciences，Fuzhou 350012，Fujian，China

More Information

Corresponding author: YE Gongfu
Received Date: 2011-12-31
Rev Recd Date: 2012-04-30
Publish Date: 2013-02-20

Abstract

To analyze changes in roadside ecological factors，in growth of Casuarina equisetifolia，and in understory species diversity with coastal highway construction，three parallel line transects perpendicular to the west side of Jinjiang Coastal Highway and 200 m apart were selected. Light intensity，air temperature，relative humidity，soil bulk density，and soil moisture content were monitored at sample points along the tran-sects. Results indicated that （1） the highways zone of influence for light intensity was up to 100 m and for other ecological factors （air temperature，relative humidity，soil bulk density，and soil moisture content） was up to about 50 m. Highway influence decreased as the distance from the highway increased. （2） Tree height，DBH，and crown area of C. equisetifolia were significantly greater （P ＜ 0.01） in undisturbed areas than in roadbed dis-turbance areas. （3） As distance from the highway increased，shade-requiring plants gradually replaced photophilous plants with the herb and plant understory changing to shrubs with a uniform distribution. Dominant species changed most 50-100 m from the highway.（4） As distance from the highway increased，understory species diversity increased gradually and then stabilized with the species turnover rate being maximum at 50-100 m from the highway. （5） The strongest biodiversity influence on the C. equisetifolia trees due to the highway was concentrated in the 0-100 m range with a gradual decrease as the distance from the highway increased.［Ch，3 fig. 3 tab. 31 ref.］
- forest ecology,
- Casuarina equisetifolia,
- ecological factor,
- growth status,
- species composition,
- α diversity,
- β diversity

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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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Species diversity in a Casuarina equisetifolia understory along a highway

1. Forestry College，Fujian Agriculture and Forestry University，Fuzhou 350001，Fujian，China;

2. Fujian Academy of Forestry Sciences，Fuzhou 350012，Fujian，China

Corresponding author: YE Gongfu

Received Date: 2011-12-31

Rev Recd Date: 2012-04-30

Publish Date: 2013-02-20

Key words:

Abstract: To analyze changes in roadside ecological factors，in growth of Casuarina equisetifolia，and in understory species diversity with coastal highway construction，three parallel line transects perpendicular to the west side of Jinjiang Coastal Highway and 200 m apart were selected. Light intensity，air temperature，relative humidity，soil bulk density，and soil moisture content were monitored at sample points along the tran-sects. Results indicated that （1） the highways zone of influence for light intensity was up to 100 m and for other ecological factors （air temperature，relative humidity，soil bulk density，and soil moisture content） was up to about 50 m. Highway influence decreased as the distance from the highway increased. （2） Tree height，DBH，and crown area of C. equisetifolia were significantly greater （P ＜ 0.01） in undisturbed areas than in roadbed dis-turbance areas. （3） As distance from the highway increased，shade-requiring plants gradually replaced photophilous plants with the herb and plant understory changing to shrubs with a uniform distribution. Dominant species changed most 50-100 m from the highway.（4） As distance from the highway increased，understory species diversity increased gradually and then stabilized with the species turnover rate being maximum at 50-100 m from the highway. （5） The strongest biodiversity influence on the C. equisetifolia trees due to the highway was concentrated in the 0-100 m range with a gradual decrease as the distance from the highway increased.［Ch，3 fig. 3 tab. 31 ref.］

Species diversity in a Casuarina equisetifolia understory along a highway

doi: 10.11833/j.issn.2095-0756.2013.01.006

Abstract

References

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通讯作者: 陈斌, bchen63@163.com

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Proportional views

Species diversity in a Casuarina equisetifolia understory along a highway

doi: 10.11833/j.issn.2095-0756.2013.01.006

1. Forestry College，Fujian Agriculture and Forestry University，Fuzhou 350001，Fujian，China;

2. Fujian Academy of Forestry Sciences，Fuzhou 350012，Fujian，China

Corresponding author: YE Gongfu

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Species diversity in a Casuarina equisetifolia understory along a highway

doi: 10.11833/j.issn.2095-0756.2013.01.006

Abstract

Relative Article

References

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通讯作者: 陈斌, bchen63@163.com

Related

Proportional views

Species diversity in a Casuarina equisetifolia understory along a highway

doi: 10.11833/j.issn.2095-0756.2013.01.006

1. Forestry College，Fujian Agriculture and Forestry University，Fuzhou 350001，Fujian，China; 2. Fujian Academy of Forestry Sciences，Fuzhou 350012，Fujian，China

Corresponding author: YE Gongfu

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1. Forestry College，Fujian Agriculture and Forestry University，Fuzhou 350001，Fujian，China;

2. Fujian Academy of Forestry Sciences，Fuzhou 350012，Fujian，China